Help Center> Elastic Cloud Server> Service Overview> x86 ECS Specifications and Types> A Summary List of x86 ECS Specifications

Updated on 2024-04-18 GMT+08:00

View PDF

A Summary List of x86 ECS Specifications

This section describes the specifications that are available now. For details about specifications that are discontinued, see Discontinued ECS Specifications.

For details about how to purchase an x86 ECS, see Purchasing an ECS.

For details about specifications, see ECS Types.

General Computing ECSs

For more details, see General Computing ECSs.

**Table 1** General computing ECS features
Type	Compute	Disk Type	Network
S7	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 8 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.8 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 An ECS with higher specifications has better network performance. Maximum packets per second (PPS): 500,000 Maximum intranet bandwidth: 3 Gbit/s
S7n	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 8 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	An ECS with higher specifications has better network performance. Maximum PPS: 500,000 Maximum intranet bandwidth: 3 Gbit/s
S6	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 8 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	An ECS with higher specifications has better network performance. Maximum PPS: 500,000 Maximum intranet bandwidth: 3 Gbit/s
Sn3	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 16 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.2 GHz/3.0 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	An ECS with higher specifications has better network performance. Maximum PPS: 1,000,000 Maximum intranet bandwidth: 6 Gbit/s
S3	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 16 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.2 GHz/3.0 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	An ECS with higher specifications has better network performance. Maximum PPS: 300,000 Maximum intranet bandwidth: 4 Gbit/s
S2	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 16 Intel® Xeon® Processor E5 v4 family Basic/Turbo frequency: 2.4 GHz/3.3 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	An ECS with higher specifications has better network performance. Maximum PPS: 300,000 Maximum intranet bandwidth: 4 Gbit/s

**Table 2** S7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
s7.small.1	1	1	0.8/0.1	10	1	2	4	KVM
s7.medium.2	1	2	0.8/0.1	10	1	2	4	KVM
s7.large.2	2	4	1.5/0.2	15	1	2	8	KVM
s7.xlarge.2	4	8	2/0.35	25	1	2	16	KVM
s7.2xlarge.2	8	16	3/0.75	50	2	2	32	KVM
s7.medium.4	1	4	0.8/0.1	10	1	2	4	KVM
s7.large.4	2	8	1.5/0.2	15	1	2	8	KVM
s7.xlarge.4	4	16	2/0.35	25	1	2	16	KVM
s7.2xlarge.4	8	32	3/0.75	50	2	2	32	KVM

**Table 3** S7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
s7n.small.1	1	1	0.8/0.1	10	1	2	4	KVM
s7n.medium.2	1	2	0.8/0.1	10	1	2	4	KVM
s7n.large.2	2	4	1.5/0.2	15	1	2	8	KVM
s7n.xlarge.2	4	8	2/0.35	25	1	2	16	KVM
s7n.2xlarge.2	8	16	3/0.75	50	2	2	32	KVM
s7n.medium.4	1	4	0.8/0.1	10	1	2	4	KVM
s7n.large.4	2	8	1.5/0.2	15	1	2	8	KVM
s7n.xlarge.4	4	16	2/0.35	25	1	2	16	KVM
s7n.2xlarge.4	8	32	3/0.75	50	2	2	32	KVM

**Table 4** S6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
s6.small.1	1	1	0.8/0.1	10	1	2	KVM
s6.medium.2	1	2	0.8/0.1	10	1	2	KVM
s6.large.2	2	4	1.5/0.2	15	1	2	KVM
s6.xlarge.2	4	8	2/0.35	25	1	2	KVM
s6.2xlarge.2	8	16	3/0.75	50	2	2	KVM
s6.medium.4	1	4	0.8/0.1	10	1	2	KVM
s6.large.4	2	8	1.5/0.2	15	1	2	KVM
s6.xlarge.4	4	16	2/0.35	25	1	2	KVM
s6.2xlarge.4	8	32	3/0.75	50	2	2	KVM

**Table 5** Sn3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
sn3.small.1	1	1	0.8/0.2	10	1	1	KVM
sn3.medium.2	1	2	0.8/0.2	10	1	1	KVM
sn3.large.2	2	4	1.5/0.35	15	1	2	KVM
sn3.xlarge.2	4	8	2/0.7	25	1	2	KVM
sn3.2xlarge.2	8	16	3/1.3	50	2	2	KVM
sn3.4xlarge.2	16	32	6/2.5	100	4	2	KVM
sn3.medium.4	1	4	0.8/0.2	10	1	1	KVM
sn3.large.4	2	8	1.5/0.35	15	1	2	KVM
sn3.xlarge.4	4	16	2/0.7	25	1	2	KVM
sn3.2xlarge.4	8	32	3/1.3	50	2	2	KVM
sn3.4xlarge.4	16	64	6/2.5	100	4	2	KVM

**Table 6** S3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
s3.small.1	1	1	0.5/0.1	5	1	KVM
s3.medium.2	1	2	0.5/0.1	5	1	KVM
s3.large.2	2	4	0.8/0.2	10	1	KVM
s3.xlarge.2	4	8	1.5/0.4	15	1	KVM
s3.2xlarge.2	8	16	3/0.8	20	2	KVM
s3.4xlarge.2	16	32	4/1.5	30	4	KVM
s3.medium.4	1	4	0.5/0.1	5	1	KVM
s3.large.4	2	8	0.8/0.2	10	1	KVM
s3.xlarge.4	4	16	1.5/0.4	15	1	KVM
s3.2xlarge.4	8	32	3/0.8	20	2	KVM
s3.4xlarge.4	16	64	4/1.5	30	4	KVM

**Table 7** S2 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
s2.small.1	1	1	0.5/0.1	5	1	KVM
s2.medium.2	1	2	0.5/0.1	5	1	KVM
s2.large.2	2	4	0.8/0.2	10	1	KVM
s2.xlarge.2	4	8	1.5/0.4	15	1	KVM
s2.2xlarge.2	8	16	3/0.8	20	2	KVM
s2.4xlarge.2	16	32	4/1.5	30	4	KVM
s2.8xlarge.2	32	64	6/3	50	8	KVM
s2.medium.4	1	4	0.5/0.1	5	1	KVM
s2.large.4	2	8	0.8/0.2	10	1	KVM
s2.xlarge.4	4	16	1.5/0.4	15	1	KVM
s2.2xlarge.4	8	32	3/0.8	20	2	KVM
s2.4xlarge.4	16	64	4/1.5	30	4	KVM
s2.8xlarge.4	32	128	6/3	50	8	KVM

General Computing-plus ECSs

For more details, see General Computing-plus ECSs.

**Table 8** General computing ECS features
Flavor	Compute	Disk Type	Network
C7	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 128 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.5 GHz and 2.8 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 12,000,000 Maximum intranet bandwidth: 42 Gbit/s
General computing-plus aC7	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 232 Basic/Turbo frequency: 2.45GHz/3.5GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 20,000,000 Maximum intranet bandwidth: 100 Gbit/s
General computing-plus C7n	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 96 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,500,000 Maximum intranet bandwidth: 40 Gbit/s
General computing-plus C7t	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 128 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.8 GHz/3.5 GHz	General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2 Extreme SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 30 million PPS Maximum intranet bandwidth: 90 Gbit/s
General computing-plus C7h	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 128 or 152 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.8 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 30 million PPS Maximum intranet bandwidth: 100 Gbit/s
C6s	vCPU to memory ratio: 1:2 Number of vCPUs: 2 to 64 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,500,000 Maximum intranet bandwidth: 30 Gbit/s
C6h	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 88 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 44 Gbit/s Support for RDMA
C6	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 64 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s
C3ne	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 60 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s
C3	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 60 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 5,000,000 Maximum intranet bandwidth: 16 Gbit/s

**Table 9** C7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
c7.large.2	2	4	4/0.8	40	2	2	16	QingTian
c7.xlarge.2	4	8	8/1.6	80	2	3	32
c7.2xlarge.2	8	16	15/3	150	4	4	64
c7.3xlarge.2	12	24	17/5	200	4	6	96
c7.4xlarge.2	16	32	20/6	280	8	8	128
c7.6xlarge.2	24	48	25/9	400	8	8	192
c7.8xlarge.2	32	64	30/12	550	16	8	256
c7.12xlarge.2	48	96	35/18	750	16	8	256
c7.16xlarge.2	64	128	36/24	1,000	28	8	256
c7.24xlarge.2	96	192	40/36	1,100	32	8	256
c7.32xlarge.2	128	256	42/40	1,200	32	8	256
c7.large.4	2	8	4/0.8	40	2	2	16
c7.xlarge.4	4	16	8/1.6	80	2	3	32
c7.2xlarge.4	8	32	15/3	150	4	4	64
c7.3xlarge.4	12	48	17/5	200	4	6	96
c7.4xlarge.4	16	64	20/6	280	8	8	128
c7.6xlarge.4	24	96	25/9	400	8	8	192
c7.8xlarge.4	32	128	30/12	550	16	8	256
c7.12xlarge.4	48	192	35/18	750	16	8	256
c7.16xlarge.4	64	256	36/24	1,000	28	8	256
c7.24xlarge.4	96	384	40/36	1,100	32	8	256
c7.32xlarge.4	128	512	42/40	1,200	32	8	256

**Table 10** aC7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
ac7.large.2	2	4	2/1	40	2	2	16	KVM
ac7.xlarge.2	4	8	3/1.5	60	2	3	32
ac7.2xlarge.2	8	16	4/2.5	100	4	4	64
ac7.3xlarge.2	12	24	6/4	150	4	6	96
ac7.4xlarge.2	16	32	8/5	200	8	8	128
ac7.6xlarge.2	24	48	12/6	250	8	8	192
ac7.8xlarge.2	32	64	15/8	300	16	8	256
ac7.12xlarge.2	48	96	22/12	400	16	8	256
ac7.16xlarge.2	64	128	28/16	550	24	12	256
ac7.24xlarge.2	96	192	40/25	800	24	12	256
ac7.29xlarge.2	116	216	50/30	950	32	16	256
ac7.32xlarge.2	128	256	55/35	1,000	32	16	256
ac7.48xlarge.2	192	384	100/80	1,600	32	16	256
ac7.58xlarge.2	232	432	120/100	2,000	32	16	256
ac7.large.4	2	8	2/1	40	2	2	16
ac7.xlarge.4	4	16	3/1.5	60	2	3	32
ac7.2xlarge.4	8	32	4/2.5	100	4	4	64
ac7.3xlarge.4	12	48	6/4	150	4	6	96
ac7.4xlarge.4	16	64	8/5	200	8	8	128
ac7.6xlarge.4	24	96	12/6	250	8	8	192
ac7.8xlarge.4	32	128	15/8	300	16	8	256
ac7.12xlarge.4	48	192	22/12	400	16	8	256
ac7.16xlarge.4	64	256	28/16	550	24	12	256
ac7.24xlarge.4	96	384	40/25	800	24	12	256
ac7.29xlarge.4	116	464	50/30	950	32	16	256
ac7.32xlarge.4	128	512	55/35	1,000	32	16	256
ac7.48xlarge.4	192	768	100/80	1,600	32	16	256
ac7.58xlarge.4	232	928	120/100	2,000	32	16	256

**Table 11** C7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
c7n.large.2	2	4	4/0.8	40	2	2	16	KVM
c7n.xlarge.2	4	8	8/1.6	80	2	3	32	KVM
c7n.2xlarge.2	8	16	15/3	150	4	4	64	KVM
c7n.3xlarge.2	12	24	17/5	200	4	6	96	KVM
c7n.4xlarge.2	16	32	20/6	280	8	8	128	KVM
c7n.6xlarge.2	24	48	25/9	400	8	8	192	KVM
c7n.8xlarge.2	32	64	30/12	550	16	8	256	KVM
c7n.12xlarge.2	48	96	35/18	750	16	8	256	KVM
c7n.16xlarge.2	64	128	36/24	800	28	8	256	KVM
c7n.24xlarge.2	96	192	40/36	850	32	8	256	KVM
c7n.large.4	2	8	4/0.8	40	2	2	16	KVM
c7n.xlarge.4	4	16	8/1.6	80	2	3	32	KVM
c7n.2xlarge.4	8	32	15/3	150	4	4	64	KVM
c7n.3xlarge.4	12	48	17/5	200	4	6	96	KVM
c7n.4xlarge.4	16	64	20/6	280	8	8	128	KVM
c7n.6xlarge.4	24	96	25/9	400	8	8	192	KVM
c7n.8xlarge.4	32	128	30/12	550	16	8	256	KVM
c7n.12xlarge.4	48	192	35/18	750	16	8	256	KVM
c7n.16xlarge.4	64	256	36/24	800	28	8	256	KVM
c7n.24xlarge.4	96	384	40/36	850	32	8	256	KVM

**Table 12** C7t ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
c7t.large.2	2	4	10/1.28	80	2	2	16	QingTian
c7t.xlarge.2	4	8	16/2.56	150	2	3	32
c7t.2xlarge.2	8	16	20/4	200	4	4	64
c7t.3xlarge.2	12	24	34/6.4	300	4	6	96
c7t.4xlarge.2	16	32	40/8	400	8	8	128
c7t.6xlarge.2	24	48	50/14.4	600	8	8	192
c7t.8xlarge.2	32	64	60/16	800	16	8	256
c7t.12xlarge.2	48	96	70/28.8	1200	16	8	256
c7t.16xlarge.2	64	128	72/32	1500	28	8	256
c7t.24xlarge.2	96	192	80/40	2400	32	8	256
c7t.32xlarge.2	128	256	90/48	3000	32	8	256
c7t.large.4	2	8	10/1.28	80	2	2	16
c7t.xlarge.4	4	16	16/2.56	150	2	3	32
c7t.2xlarge.4	8	32	20/4	200	4	4	64
c7t.3xlarge.4	12	48	34/6.4	300	4	6	96
c7t.4xlarge.4	16	64	40/8	400	8	8	128
c7t.6xlarge.4	24	96	50/14.4	600	8	8	192
c7t.8xlarge.4	32	128	60/16	800	16	8	256
c7t.12xlarge.4	48	192	70/28.8	1200	16	8	256
c7t.16xlarge.4	64	256	72/32	1500	28	8	256
c7t.24xlarge.4	96	384	80/40	2400	32	8	256

**Table 13** C7h ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c7h.32xlarge.2.physical	128	256	44/40	1,000	16	33	BMS
c7h.38xlarge.2.physical	152	512	100/90	3000	32	32	BMS
c7h.32xlarge.4.physical	128	512	44/40	1,000	16	33	BMS
c7h.38xlarge.4.physical	152	768	100/90	3000	32	32	BMS

**Table 14** C6s ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c6s.large.2	2	4	1/1	30	2	2	KVM
c6s.xlarge.2	4	8	2/2	60	2	3	KVM
c6s.2xlarge.2	8	16	4/4	120	4	4	KVM
c6s.3xlarge.2	12	24	5.5/5.5	180	4	6	KVM
c6s.4xlarge.2	16	32	7.5/7.5	240	8	8	KVM
c6s.6xlarge.2	24	48	11/11	350	8	8	KVM
c6s.8xlarge.2	32	64	15/15	450	16	8	KVM
c6s.12xlarge.2	48	96	22/22	650	16	8	KVM
c6s.16xlarge.2	64	128	30/30	850	32	8	KVM
c6s.large.4	2	8	1/1	30	2	2	KVM
c6s.xlarge.4	4	16	2/2	60	2	3	KVM
c6s.2xlarge.4	8	32	4/4	120	4	4	KVM
c6s.3xlarge.4	12	48	5.5/5.5	180	4	6	KVM
c6s.4xlarge.4	16	64	7.5/7.5	240	8	8	KVM
c6s.6xlarge.4	24	96	11/11	350	8	8	KVM
c6s.8xlarge.4	32	128	15/15	450	16	8	KVM
c6s.12xlarge.4	48	192	22/22	650	16	8	KVM
c6s.16xlarge.4	64	256	30/30	850	32	8	KVM

**Table 15** C6h ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c6h.22xlarge.2.physical	88	192	44/40	1,000	16	33	BMS
c6h.22xlarge.4.physical	88	384	44/40	1,000	16	33	BMS

**Table 16** C6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c6.large.2	2	4	4/1.2	40	2	2	KVM
c6.xlarge.2	4	8	8/2.4	80	2	3	KVM
c6.2xlarge.2	8	16	15/4.5	150	4	4	KVM
c6.3xlarge.2	12	24	17/7	200	4	6	KVM
c6.4xlarge.2	16	32	20/9	280	8	8	KVM
c6.6xlarge.2	24	48	25/14	400	8	8	KVM
c6.8xlarge.2	32	64	30/18	550	16	8	KVM
c6.12xlarge.2	48	96	35/27	750	16	8	KVM
c6.16xlarge.2	64	128	40/36	1,000	32	8	KVM
c6.22xlarge.2	88	176	44/40	1,200	32	8	KVM
c6.22xlarge.2.physical	88	192	44/40	1,000	16	33	BMS
c6.large.4	2	8	4/1.2	40	2	2	KVM
c6.xlarge.4	4	16	8/2.4	80	2	3	KVM
c6.2xlarge.4	8	32	15/4.5	150	4	4	KVM
c6.3xlarge.4	12	48	17/7	200	4	6	KVM
c6.4xlarge.4	16	64	20/9	280	8	8	KVM
c6.6xlarge.4	24	96	25/14	400	8	8	KVM
c6.8xlarge.4	32	128	30/18	550	16	8	KVM
c6.12xlarge.4	48	192	35/27	750	16	8	KVM
c6.16xlarge.4	64	256	40/36	1,000	32	8	KVM
c6.22xlarge.4	88	352	44/40	1,200	28	8	KVM
c6.22xlarge.4.physical	88	384	44/40	1,000	16	33	BMS

**Table 17** C3ne ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c3ne.large.2	2	4	4/1.3	40	2	2	KVM
c3ne.xlarge.2	4	8	8/2.5	80	2	3	KVM
c3ne.2xlarge.2	8	16	15/5	150	4	4	KVM
c3ne.4xlarge.2	16	32	20/10	280	8	8	KVM
c3ne.8xlarge.2	32	64	30/20	550	16	8	KVM
c3ne.15xlarge.2	60	128	40/40	1,000	32	8	KVM
c3ne.large.4	2	8	4/1.3	40	2	2	KVM
c3ne.xlarge.4	4	16	8/2.5	80	2	3	KVM
c3ne.2xlarge.4	8	32	15/5	150	4	4	KVM
c3ne.4xlarge.4	16	64	20/10	280	8	8	KVM
c3ne.8xlarge.4	32	128	30/20	550	16	8	KVM
c3ne.15xlarge.4	60	256	40/40	1,000	32	8	KVM

**Table 18** C3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
c3.large.2	2	4	1.5/0.6	30	2	KVM
c3.xlarge.2	4	8	3/1	50	2	KVM
c3.2xlarge.2	8	16	5/2	90	4	KVM
c3.3xlarge.2	12	24	7/3	110	4	KVM
c3.4xlarge.2	16	32	10/4	130	4	KVM
c3.6xlarge.2	24	48	12/6	200	8	KVM
c3.8xlarge.2	32	64	15/8	260	8	KVM
c3.15xlarge.2	60	128	16/16	500	16	KVM
c3.large.4	2	8	1.5/0.6	30	2	KVM
c3.xlarge.4	4	16	3/1	50	2	KVM
c3.2xlarge.4	8	32	5/2	90	4	KVM
c3.3xlarge.4	12	48	7/3	110	4	KVM
c3.4xlarge.4	16	64	10/4	130	4	KVM
c3.6xlarge.4	24	96	12/6	200	8	KVM
c3.8xlarge.4	32	128	15/8	260	8	KVM
c3.15xlarge.4	60	256	16/16	500	16	KVM

General Computing-Basic ECSs

For more details, see General Computing-Basic ECSs.

**Table 19** General computing ECS features
Type	Compute	Disk Type	Network
T6	vCPU to memory ratio: 1:1, 1:2, or 1:4 Number of vCPUs: 1 to 16 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.2 GHz/3.0 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	An ECS with higher specifications has better network performance. Maximum packets per second (PPS): 600,000 Maximum intranet bandwidth: 3 Gbit/s

**Table 20** T6 ECS specifications
Flavor	vCPUs	Memory (GiB)	CPU Baseline (%)	Average CPU Baseline (%)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NICs	Virtualization
t6.small.1	1	1	10	10	0.3/0.05	6	1	KVM
t6.large.1	2	2	40	20	0.5/0.1	10	1	KVM
t6.xlarge.1	4	4	80	20	1/0.2	20	2	KVM
t6.2xlarge.1	8	8	120	15	2/0.4	40	2	KVM
t6.4xlarge.1	16	16	240	15	3/0.8	60	2	KVM
t6.medium.2	1	2	10	10	0.3/0.05	6	1	KVM
t6.large.2	2	4	40	20	0.5/0.1	10	1	KVM
t6.xlarge.2	4	8	80	20	1/0.2	20	2	KVM
t6.2xlarge.2	8	16	120	15	2/0.4	40	2	KVM
t6.4xlarge.2	16	32	240	15	3/0.8	60	2	KVM
t6.large.4	2	8	40	20	0.5/0.1	10	1	KVM
t6.xlarge.4	4	16	80	20	1/0.2	20	2	KVM
t6.2xlarge.4	8	32	120	15	2/0.4	40	2	KVM

Memory-optimized ECSs

For more details, see Memory-optimized ECSs.

**Table 21** Memory-optimized ECS features
Type	Compute	Disk Type	Network
M7	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 128 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 12,000,000 Maximum intranet bandwidth: 42 Gbit/s
aM7	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 232 Basic/Turbo frequency: 2.45GHz/3.5GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 20,000,000 Maximum intranet bandwidth: 100 Gbit/s
M7n	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 96 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,500,000 Maximum intranet bandwidth: 40 Gbit/s
M6	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 64 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s
M6nl	vCPU to memory ratio: 1:8 Number of vCPUs: 4 to 8 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 1,200,000 Maximum intranet bandwidth: 15 Gbit/s
M3ne	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 60 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s
M3	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 60 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 5,000,000 Maximum intranet bandwidth: 17 Gbit/s
M2	vCPU to memory ratio: 1:8 Number of vCPUs: 2 to 32 Intel® Xeon® Processor E5 v4 family Basic/Turbo frequency: 2.4 GHz/3.3 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 600,000 Maximum intranet bandwidth: 13 Gbit/s

**Table 22** M7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
m7.large.8	2	16	4/0.8	40	2	2	QingTian
m7.xlarge.8	4	32	8/1.6	80	2	3
m7.2xlarge.8	8	64	15/3	150	4	4
m7.3xlarge.8	12	96	17/5	200	4	6
m7.4xlarge.8	16	128	20/6	280	8	8
m7.6xlarge.8	24	192	25/9	400	8	8
m7.8xlarge.8	32	256	30/12	550	16	8
m7.12xlarge.8	48	384	35/18	750	16	8
m7.16xlarge.8	64	512	36/24	1,000	28	8
m7.24xlarge.8	96	768	40/36	1,100	32	8
m7.32xlarge.8	128	1024	42/40	1,200	32	8

**Table 23** aM7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
am7.large.8	2	16	2/1	40	2	2	KVM
am7.xlarge.8	4	32	3/1.5	60	2	3
am7.2xlarge.8	8	64	4/2.5	100	4	4
am7.3xlarge.8	12	96	6/4	150	4	6
am7.4xlarge.8	16	128	8/5	200	8	8
am7.6xlarge.8	24	192	12/6	250	8	8
am7.8xlarge.8	32	256	15/8	300	16	8
am7.12xlarge.8	48	384	22/12	400	16	8
am7.16xlarge.8	64	512	28/16	550	24	12
am7.24xlarge.8	96	768	40/25	800	24	12
am7.29xlarge.8	116	934	50/30	950	32	16
am7.32xlarge.8	128	1024	55/35	1,000	32	16
am7.48xlarge.8	192	1536	100/80	1,600	32	16
am7.58xlarge.8	232	1868	120/100	2,000	32	16

**Table 24** M7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
m7n.large.8	2	16	4/0.8	40	2	2	KVM
m7n.xlarge.8	4	32	8/1.6	80	2	3	KVM
m7n.2xlarge.8	8	64	15/3	150	4	4	KVM
m7n.3xlarge.8	12	96	17/5	200	4	6	KVM
m7n.4xlarge.8	16	128	20/6	280	8	8	KVM
m7n.6xlarge.8	24	192	25/9	400	8	8	KVM
m7n.8xlarge.8	32	256	30/12	550	16	8	KVM
m7n.12xlarge.8	48	384	35/18	750	16	8	KVM
m7n.16xlarge.8	64	512	36/24	800	28	8	KVM
m7n.24xlarge.8	96	768	40/36	850	32	8	KVM

**Table 25** M6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
m6.large.8	2	16	4/1.2	40	2	2	KVM
m6.xlarge.8	4	32	8/2.4	80	2	3	KVM
m6.2xlarge.8	8	64	15/4.5	150	4	4	KVM
m6.3xlarge.8	12	96	17/7	200	4	6	KVM
m6.4xlarge.8	16	128	20/9	280	8	8	KVM
m6.6xlarge.8	24	192	25/14	400	8	8	KVM
m6.8xlarge.8	32	256	30/18	550	16	8	KVM
m6.12xlarge.8	48	384	35/27	750	16	8	KVM
m6.16xlarge.8	64	512	40/36	1,000	32	8	KVM
m6.22xlarge.8.physical	88	768	40/40	1,000	16	33	BMS

**Table 26** M6nl ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
m6nl.xlarge.8	4	32	8/2	64	2	KVM
m6nl.2xlarge.8	8	64	15/4	120	4	KVM

**Table 27** M3ne ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
m3ne.large.8	2	16	4/1.3	40	2	2	KVM
m3ne.xlarge.8	4	32	8/2.5	80	2	3	KVM
m3ne.2xlarge.8	8	64	15/5	150	4	4	KVM
m3ne.3xlarge.8	12	96	17/8	200	4	6	KVM
m3ne.4xlarge.8	16	128	20/10	280	8	8	KVM
m3ne.6xlarge.8	24	192	25/16	400	8	8	KVM
m3ne.8xlarge.8	32	256	30/20	550	16	8	KVM
m3ne.15xlarge.8	60	512	40/40	1,000	32	8	KVM

**Table 28** M3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
m3.large.8	2	16	1.5/0.6	30	2	KVM
m3.xlarge.8	4	32	3/1.1	50	2	KVM
m3.2xlarge.8	8	64	5/2	90	4	KVM
m3.3xlarge.8	12	96	8/3.5	110	4	KVM
m3.4xlarge.8	16	128	10/4.5	130	4	KVM
m3.6xlarge.8	24	192	12/6.5	200	8	KVM
m3.8xlarge.8	32	256	15/9	260	8	KVM
m3.15xlarge.8	60	512	17/17	500	16	KVM

**Table 29** M2 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
m2.large.8	2	16	1.5/0.5	10	1	KVM
m2.xlarge.8	4	32	3/1	15	1	KVM
m2.2xlarge.8	8	64	5/2	30	2	KVM
m2.4xlarge.8	16	128	8/4	40	4	KVM
m2.8xlarge.8	32	256	13/8	60	8	KVM

Large-Memory ECSs

For more details, see Large-Memory ECSs.

**Table 30** Large-memory ECS features
Type	Compute	Disk Type	Network
E7	vCPU to memory ratio: 1:20or 1:21 Number of vCPUs: 48 to 384 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency (vCPU to memory ratio: 1:20): 2.6 GHz/3.5 GHz Basic/Turbo frequency (vCPU to memory ratio: 1:21): 2.1 GHz/3.8 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high packets per second (PPS) throughput An ECS with higher specifications has better network performance. Maximum PPS: 30 million PPS Maximum intranet bandwidth: 100 Gbit/s
E6	vCPU to memory ratio: 1:28 Number of vCPUs: 104 to 208 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.7 GHz/4.0 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s
E3	vCPU to memory ratio: 1:12, 1:14, or 1:20 Number of vCPUs: 28 to 208 Intel® Xeon® Scalable Processor Basic/Turbo frequency (vCPU to memory ratio: 1:12): 3.0 GHz/3.4 GHz Basic/Turbo frequency (vCPU to memory ratio: 1:14 or 1:20): 2.1 GHz/3.8 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 10,000,000 Maximum intranet bandwidth: 40 Gbit/s

**Table 31** E7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
e7.12xlarge.20	48	960	30/20	550	16	8	1024	KVM
e7.24xlarge.20	96	1920	44/40	1000	32	8	2048	KVM
e7.48xlarge.21	192	4032	50/40	1500	16	8	1024	KVM
e7.96xlarge.21	384	8064	100/90	3000	32	8	2048	KVM

**Table 32** E6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
e6.26xlarge.28	104	2948	30/20	550	16	8	KVM
e6.52xlarge.28	208	5896	40/40	1,000	32	8	KVM

**Table 33** E3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Virtualization
e3.7xlarge.12	28	348	25/12	280	8	8	KVM
e3.14xlarge.12	56	696	25/25	550	16	8	KVM
e3.26xlarge.14	104	1466	30/20	550	16	8	KVM
e3.52xlarge.14	208	2932	40/40	1,000	32	8	KVM
e3.52xlarge.20	208	4096	40/40	1,000	32	8	KVM

Disk-intensive ECSs

For more details, see Disk-intensive ECSs.

**Table 34** Disk-intensive ECS features
Type	Compute	Disk Type	Network
D7	vCPU to memory ratio: 1:4 Number of vCPUs: 4 to 72 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Support for IPv6 Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 9,000,000 Maximum intranet bandwidth: 40 Gbit/s
D6	vCPU to memory ratio: 1:4 Number of vCPUs: 4 to 72 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 9,000,000 Maximum intranet bandwidth: 44 Gbit/s
D3	vCPU to memory ratio: 1:8 or 1:10 Number of vCPUs: 4 to 56 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 5,000,000 Maximum intranet bandwidth: 40 Gbit/s
D2	vCPU to memory ratio: 1:8 Number of vCPUs: 4 to 48 Intel® Xeon® Processor E5 v4 family Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 900,000 Maximum intranet bandwidth: 13 Gbit/s

**Table 35** D7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
d7.xlarge.4	4	16	5/1.7	60	2	3	32	2 × 3,600	KVM
d7.2xlarge.4	8	32	10/3.5	120	4	4	64	4 × 3,600	KVM
d7.4xlarge.4	16	64	20/6.7	240	4	6	96	8 × 3,600	KVM
d7.6xlarge.4	24	96	25/10	350	8	8	128	12 × 3,600	KVM
d7.8xlarge.4	32	128	30/13.5	450	8	8	192	16 × 3,600	KVM
d7.12xlarge.4	48	192	40/20	650	16	8	256	24 × 3,600	KVM
d7.16xlarge.4	64	256	42/27	850	16	8	256	32 × 3,600	KVM

**Table 36** D6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Local Disks (GiB)	Virtualization
d6.xlarge.4	4	16	5/2	60	2	3	2 × 3,600	KVM
d6.2xlarge.4	8	32	10/4	120	4	4	4 × 3,600	KVM
d6.4xlarge.4	16	64	20/7.5	240	8	8	8 × 3,600	KVM
d6.6xlarge.4	24	96	25/11	350	8	8	12 × 3,600	KVM
d6.8xlarge.4	32	128	30/15	450	16	8	16 × 3,600	KVM
d6.12xlarge.4	48	192	40/22	650	16	8	24 × 3,600	KVM
d6.16xlarge.4	64	256	42/30	850	32	8	32 × 3,600	KVM
d6.18xlarge.4	72	288	44/34	900	32	8	36 × 3,600	KVM

**Table 37** D3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Local Disks (GiB)	Virtualization
d3.xlarge.8	4	32	2.5/2.5	50	2	3	2 × 1,675	KVM
d3.2xlarge.8	8	64	5/5	100	2	4	4 × 1,675	KVM
d3.4xlarge.8	16	128	10/10	120	4	8	8 × 1,675	KVM
d3.6xlarge.8	24	192	15/15	160	6	8	12 × 1,675	KVM
d3.8xlarge.8	32	256	20/20	200	8	8	16 × 1,675	KVM
d3.12xlarge.8	48	384	32/32	220	16	8	24 × 1,675	KVM
d3.14xlarge.10	56	560	40/40	500	16	8	28 × 1,675	KVM

**Table 38** D2 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Local Disks (GiB)	Virtualization
d2.xlarge.8	4	32	3/1	15	2	2 × 1,675	KVM
d2.2xlarge.8	8	64	5/2	30	2	4 × 1,675	KVM
d2.4xlarge.8	16	128	8/4	40	4	8 × 1,675	KVM
d2.6xlarge.8	24	192	10/6	50	6	12 × 1,675	KVM
d2.8xlarge.8	32	256	13/8	60	8	16 × 1,675	KVM
d2.12xlarge.8	48	384	13/13	90	8	24 × 1,675	KVM

Ultra-high I/O ECSs

For more details, see Ultra-high I/O ECSs.

**Table 39** Ultra-high I/O ECS features
Type	Compute	Disk Type	Network
D7i	vCPU to memory ratio: 1:4 Number of vCPUs: 8 to 96 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput Higher ECS specifications, better network performance Maximum PPS: 8,000,000 Maximum intranet bandwidth: 44 Gbit/s
Ir7	vCPU to memory ratio: 1:4 Number of vCPUs: 2 to 64 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high packets per second (PPS) throughput An ECS with higher specifications has better network performance. Maximum PPS: 6,000,000 Maximum intranet bandwidth: 40 Gbit/s
I7	vCPU to memory ratio: 1:4 Number of vCPUs: 8 to 96 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,000,000 Maximum intranet bandwidth: 40 Gbit/s
aI7	vCPU to memory ratio: 1:8 Number of vCPUs: 8 to 96 Basic/Turbo frequency: 2.45GHz/3.5GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,000,000 Maximum intranet bandwidth: 40 Gbit/s
Ir7n	vCPU to memory ratio: 1:4 Number of vCPUs: 2 to 64 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 6,000,000 Maximum intranet bandwidth: 40 Gbit/s
I7n	vCPU to memory ratio: 1:4 Number of vCPUs: 8 to 96 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,000,000 Maximum intranet bandwidth: 40 Gbit/s
Ir3	vCPU to memory ratio: 1:4 Number of vCPUs: 2 to 32 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 4,500,000 Maximum intranet bandwidth: 30 Gbit/s
I3	vCPU to memory ratio: 1:8 Number of vCPUs: 8 to 64 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.0 GHz/3.4 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 5,000,000 Maximum intranet bandwidth: 25 Gbit/s

**Table 40** D7i ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
d7i.2xlarge.4	8	32	10/3	120	4	4	64	1 × 15360GiB NVMe	KVM
d7i.4xlarge.4	16	64	15/6	200	4	6	96	2 × 15360GiB NVMe	KVM
d7i.8xlarge.4	32	128	25/12	400	8	8	192	4 × 15360GiB NVMe	KVM
d7i.12xlarge.4	48	192	30/18	500	16	8	256	6 × 15360GiB NVMe	KVM
d7i.16xlarge.4	64	256	35/24	600	16	8	256	8 × 15360GiB NVMe	KVM
d7i.24xlarge.4	96	384	44/36	800	32	8	256	12 × 15360GiB NVMe	KVM

**Table 41** Ir7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Local Disks (GiB)	Virtualization
ir7.large.4	2	8	3/0.8	40	2	3	2 × 50	KVM
ir7.xlarge.4	4	16	6/1.5	80	2	3	2 × 100	KVM
ir7.2xlarge.4	8	32	15/3.1	150	4	4	2 × 200	KVM
ir7.4xlarge.4	16	64	20/6.2	300	4	6	2 × 400	KVM
ir7.8xlarge.4	32	128	30/12	400	8	8	2 × 800	KVM
ir7.16xlarge.4	64	256	40/25	600	16	8	2 × 1,600	KVM

**Table 42** I7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
i7.2xlarge.4	8	32	10/3	120	4	4	64	1 × 1,600 GiB NVMe	KVM
i7.4xlarge.4	16	64	15/6	200	4	6	96	2 × 1,600 GiB NVMe	KVM
i7.8xlarge.4	32	128	25/12	400	8	8	192	4 × 1,600 GiB NVMe	KVM
i7.12xlarge.4	48	192	30/18	500	16	8	256	6 × 1,600 GiB NVMe	KVM
i7.16xlarge.4	64	256	35/24	600	16	8	256	8 × 1,600 GiB NVMe	KVM
i7.24xlarge.4	96	384	44/36	800	32	8	256	12 × 1,600 GiB NVMe	KVM

**Table 43** aI7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
ai7.2xlarge.8	8	64	4/2.5	100	8	8	64	1 × 1,600 GiB NVMe	KVM
ai7.4xlarge.8	16	128	8/5	200	16	8	128	2 × 1,600 GiB NVMe	KVM
ai7.8xlarge.8	32	256	15/8	300	16	8	256	4 × 1,600 GiB NVMe	KVM
ai7.12xlarge.8	48	384	22/12	400	16	8	256	6 × 1,600 GiB NVMe	KVM
ai7.16xlarge.8	64	512	28/16	550	24	12	256	8 × 1,600 GiB NVMe	KVM
ai7.24xlarge.8	96	768	40/25	800	24	12	256	12 × 1,600 GiB NVMe	KVM

**Table 44** Ir7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
ir7n.large.4	2	8	3/0.9	40	2	3	32	2 × 50	KVM
ir7n.xlarge.4	4	16	6/1.8	80	2	3	32	2 × 100	KVM
ir7n.2xlarge.4	8	32	15/3.6	150	4	4	64	2 × 200	KVM
ir7n.4xlarge.4	16	64	20/7.3	300	4	6	96	2 × 400	KVM
ir7n.8xlarge.4	32	128	30/14.5	400	8	8	192	2 × 800	KVM
ir7n.16xlarge.4	64	256	40/29	600	16	8	256	2 × 1,600	KVM

**Table 45** I7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Local Disks (GiB)	Virtualization
i7n.2xlarge.4	8	32	10/3.4	120	4	4	64	1 × 1,600 GiB NVMe	KVM
i7n.4xlarge.4	16	64	15/6.7	200	4	6	96	2 × 1,600 GiB NVMe	KVM
i7n.8xlarge.4	32	128	25/13.5	400	8	8	192	4 × 1,600 GiB NVMe	KVM
i7n.12xlarge.4	48	192	30/20	500	16	8	256	6 × 1,600 GiB NVMe	KVM
i7n.16xlarge.4	64	256	35/27	600	16	8	256	8 × 1,600 GiB NVMe	KVM
i7n.24xlarge.4	96	420	44/20	800	32	8	256	12 × 1,600 GiB NVMe	KVM

**Table 46** Ir3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Local Disks (GiB)	Max. NICs	Virtualization
ir3.large.4	2	8	4/1.2	40	2	2 × 50	2	KVM
ir3.xlarge.4	4	16	8/2.4	80	2	2 × 100	3	KVM
ir3.2xlarge.4	8	32	15/4.5	140	4	2 × 200	4	KVM
ir3.4xlarge.4	16	64	20/9	250	8	2 × 400	8	KVM
ir3.8xlarge.4	32	128	30/18	450	16	2 × 800	8	KVM

**Table 47** I3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Local Disks (GiB)	Max. NICs	Virtualization
i3.2xlarge.8	8	64	2.5/2.5	100	4	1 × 1,600 GiB NVMe	4	KVM
i3.4xlarge.8	16	128	5/5	150	4	2 × 1,600 GiB NVMe	8	KVM
i3.8xlarge.8	32	256	10/10	200	8	4 × 1,600 GiB NVMe	8	KVM
i3.12xlarge.8	48	384	15/15	240	8	6 × 1,600 GiB NVMe	8	KVM
i3.15xlarge.8	60	512	25/25	500	16	7 × 1,600 GiB NVMe	8	KVM
i3.16xlarge.8	64	512	25/25	500	16	8 × 1,600 GiB NVMe	8	KVM

High-Performance Computing ECSs

For more details, see High-Performance Computing ECSs.

**Table 48** High-performance computing ECS features
Flavor	Compute	Disk Type	Network
H3	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 32 Intel® Xeon® Scalable Processor Basic/Turbo frequency: 3.2 GHz/4.2 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	Ultra-high packets per second (PPS) throughput An ECS with higher specifications has better network performance. Maximum PPS: 4,000,000 Maximum intranet bandwidth: 17 Gbit/s
Hc2	vCPU to memory ratio: 1:2 or 1:4 Number of vCPUs: 2 to 32 Intel® Xeon® Processor E5 v4 family Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 600,000 Maximum intranet bandwidth: 13 Gbit/s

**Table 49** H3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
h3.large.2	2	4	2/1	30	2	KVM
h3.xlarge.2	4	8	4/2	60	2	KVM
h3.2xlarge.2	8	16	6/3.5	120	4	KVM
h3.3xlarge.2	12	24	6/5.5	160	4	KVM
h3.4xlarge.2	16	32	12/7.5	200	8	KVM
h3.6xlarge.2	24	48	15/11	300	8	KVM
h3.8xlarge.2	32	64	17/15	400	16	KVM
h3.large.4	2	8	2/1	30	2	KVM
h3.xlarge.4	4	16	4/2	60	2	KVM
h3.2xlarge.4	8	32	6/3.5	120	4	KVM
h3.3xlarge.4	12	48	6/5.5	160	4	KVM
h3.4xlarge.4	16	64	12/7.5	200	8	KVM
h3.6xlarge.4	24	96	15/11	300	8	KVM
h3.8xlarge.4	32	128	17/15	400	16	KVM

**Table 50** Hc2 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Virtualization
hc2.large.2	2	4	1.5/0.5	10	1	KVM
hc2.xlarge.2	4	8	3/1	15	1	KVM
hc2.2xlarge.2	8	16	5/2	30	2	KVM
hc2.4xlarge.2	16	32	8/4	40	4	KVM
hc2.8xlarge.2	32	64	13/8	60	8	KVM
hc2.large.4	2	8	1.5/0.5	10	1	KVM
hc2.xlarge.4	4	16	3/1	15	1	KVM
hc2.2xlarge.4	8	32	5/2	30	2	KVM
hc2.4xlarge.4	16	64	8/4	40	4	KVM
hc2.8xlarge.4	32	128	13/8	60	8	KVM

GPU-accelerated ECSs

For more details, see GPU-accelerated ECSs.

**Table 51** GPU-accelerated ECSs
Category	Type	GPU	CUDA Cores per GPU	Single-GPU Performance	Application
Graphics-accelerated	G6v	NVIDIA T4 (vGPU virtualization)	2,560	8.1 TFLOPS of single-precision floating-point computing 130 INT8 TOPS 260 INT4 TOPS	Cloud desktop, image rendering, 3D visualization, and heavy-load graphics design
Graphics-accelerated	G6	NVIDIA T4 (GPU passthrough)	2,560	8.1 TFLOPS of single-precision floating-point computing 130 INT8 TOPS 260 INT4 TOPS	Cloud desktop, image rendering, 3D visualization, and heavy-load graphics design
Graphics-accelerated	G5	NVIDIA V100	5,120	14 TFLOPS of single-precision floating-point computing 7 TFLOPS of double-precision floating-point computing 112 TFLOPS Tensor Cores for deep learning acceleration	Cloud desktop, image rendering, 3D visualization, and heavy-load graphics design
Graphics-accelerated	G3	NVIDIA M60 (GPU passthrough)	2,048	4.8 TFLOPS of single-precision floating-point computing	Cloud desktop, image rendering, 3D visualization, and heavy-load graphics design
Graphics-accelerated	G1	NVIDIA M60 (GPU virtualization)	2,048	4.8 TFLOPS of single-precision floating-point computing	Cloud desktop, image rendering, 3D visualization, and heavy-load graphics design
Computing-accelerated	P2vs	NVIDIA V100 NVLink (GPU passthrough)	5,120	15.7 TFLOPS of single-precision floating-point computing 7.8 TFLOPS of double-precision floating-point computing 125 TFLOPS Tensor Cores for deep learning acceleration 300 GiB/s NVLINK	Machine learning, deep learning, inference training, scientific computing, seismic analysis, computing finance, rendering, multimedia encoding and decoding
Computing-accelerated	P2s	NVIDIA V100	5,120	14 TFLOPS of single-precision floating-point computing 7 TFLOPS of double-precision floating-point computing 112 TFLOPS Tensor Cores for deep learning acceleration	AI deep learning training, scientific computing, computational fluid dynamics, computational finance, seismic analysis, molecular modeling, and genomics.
Computing-accelerated	P2v	NVIDIA V100 NVLink (GPU passthrough)	5,120	15.7 TFLOPS of single-precision floating-point computing 7.8 TFLOPS of double-precision floating-point computing 125 TFLOPS Tensor Cores for deep learning acceleration 300 GiB/s NVLINK	Machine learning, deep learning, inference training, scientific computing, seismic analysis, computing finance, rendering, multimedia encoding and decoding
Inference-accelerated	Pi2	NVIDIA T4 (GPU passthrough)	2,560	8.1 TFLOPS of single-precision floating-point computing 130 INT8 TOPS 260 INT4 TOPS	Machine learning, deep learning, inference training, scientific computing, seismic analysis, computing finance, rendering, multimedia encoding and decoding
Inference-accelerated	Pi1	NVIDIA P4 (GPU passthrough)	2,560	5.5 TFLOPS of single-precision floating-point computing	Machine learning, deep learning, inference training, scientific computing, seismic analysis, computing finance, rendering, multimedia encoding and decoding

**Table 52** G6v ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	GPUs	GPU Memory (GiB)	Virtualization
g6v.2xlarge.2	8	16	6/2	35	4	1/8 × T4	2	KVM
g6v.2xlarge.4	8	32	10/4	50	4	1/4 × T4	4	KVM
g6v.4xlarge.4	16	64	15/8	100	8	1/2 × T4	8	KVM

**Table 53** G6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	GPUs	GPU Memory (GiB)	Virtualization
g6.xlarge.4	4	16	6/2	200	8	8	1 × T4	16	KVM
g6.4xlarge.4	16	64	15/8	200	8	8	1 × T4	16	KVM
g6.6xlarge.4	24	96	25/15	200	8	8	1 × T4	16	KVM
g6.9xlarge.7	36	252	25/15	200	16	8	1 × T4	16	KVM
g6.10xlarge.7	40	280	25/15	200	16	8	1 × T4	16	KVM
g6.18xlarge.7	72	504	30/30	400	32	16	2 × T4	32	KVM
g6.20xlarge.7	80	560	30/30	400	32	16	2 × T4	32	KVM

**Table 54** G5 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	GPUs	GPU Memory (GiB)	Virtualization
g5.4xlarge.4	16	64	15/8	100	8	V100-8Q	8	KVM
g5.8xlarge.4	32	128	25/15	200	16	1 × V100	16	KVM

**Table 55** G3 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	GPUs	GPU Memory (GiB)	Virtualization
g3.4xlarge.4	16	64	8/2.5	50	2	1 x M60	1 x 8	KVM
g3.8xlarge.4	32	128	10/5	100	4	2 x M60	2 x 8	KVM

**Table 56** G1 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth	Max. PPS	GPUs	GPU Memory (GiB)	Virtualization
g1.xlarge	4	8	Medium	Medium	1 × M60-1Q	1	Xen
g1.xlarge.4	4	16	Medium	Medium	1 × M60-1Q	1	Xen
g1.2xlarge	8	16	Medium	Medium	1 × M60-2Q	2	Xen
g1.2xlarge.8	8	64	Medium	Medium	Passthrough	8	Xen
g1.4xlarge	16	32	Medium	Medium	1 × M60-4Q	4	Xen

**Table 57** P2vs ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	GPUs	GPU Connection	GPU Memory (GiB)	Virtualization
p2vs.2xlarge.8	8	64	10/4	50	4	1 × V100	N/A	1 × 32 GiB	KVM
p2vs.4xlarge.8	16	128	15/8	100	8	2 × V100	NVLink	2 × 32 GiB	KVM
p2vs.8xlarge.8	32	256	25/15	200	16	4 × V100	NVLink	4 × 32 GiB	KVM
p2vs.16xlarge.8	64	512	30/30	400	32	8 × V100	NVLink	8 × 32 GiB	KVM

**Table 58** P2s ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	GPUs	GPU Connection	GPU Memory (GiB)	Virtualization
p2s.2xlarge.8	8	64	10/4	50	4	4	1 × V100	PCIe Gen3	1 × 32 GiB	KVM
p2s.4xlarge.8	16	128	15/8	100	8	8	2 × V100	PCIe Gen3	2 × 32 GiB	KVM
p2s.8xlarge.8	32	256	25/15	200	16	8	4 × V100	PCIe Gen3	4 × 32 GiB	KVM
p2s.16xlarge.8	64	512	30/30	400	32	8	8 × V100	PCIe Gen3	8 × 32 GiB	KVM

**Table 59** P2v ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	GPUs	GPU Connection	GPU Memory (GiB)	Virtualization
p2v.2xlarge.8	8	64	10/4	50	4	4	1 × V100	N/A	1 × 16 GiB	KVM
p2v.4xlarge.8	16	128	15/8	100	8	8	2 × V100	NVLink	2 × 16 GiB	KVM
p2v.8xlarge.8	32	256	25/15	200	16	8	4 × V100	NVLink	4 × 16 GiB	KVM
p2v.16xlarge.8	64	512	30/30	400	32	8	8 × V100	NVLink	8 × 16 GiB	KVM

**Table 60** Pi2 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	Max. NICs	GPUs	GPU Memory (GiB)	Local Disks	Virtualization
pi2.2xlarge.4	8	32	10/4	50	4	4	1 × T4	1 × 16	N/A	KVM
pi2.4xlarge.4	16	64	15/8	100	8	8	2 × T4	2 × 16	N/A	KVM
pi2.8xlarge.4	32	128	25/15	200	16	8	4 × T4	4 × 16	N/A	KVM

**Table 61** Pi1 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Max. NIC Queues	GPUs	GPU Memory (GiB)	Local Disks	Virtualization
pi1.2xlarge.4	8	32	5/1.6	40	2	1 × P4	1 × 8 GiB	N/A	KVM
pi1.4xlarge.4	16	64	8/3.2	70	4	2 × P4	2 × 8 GiB	N/A	KVM
pi1.8xlarge.4	32	128	10/6.5	140	8	4 × P4	4 × 8 GiB	N/A	KVM

AI-accelerated ECSs

For more details, see AI-accelerated ECSs.

**Table 62** AI-accelerated ECS features
Type	Compute	Disk Type	Network
Ai1s	vCPU to memory ratio: 1:4 or 1:2 Number of vCPUs: 2 to 32 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz	High I/O General Purpose SSD Ultra-high I/O Extreme SSD General Purpose SSD V2	Ultra-high packets per second (PPS) throughput An ECS with higher specifications has better network performance. Maximum PPS: 2,000,000 Maximum intranet bandwidth: 25 Gbit/s
Ai1	vCPU to memory ratio: 1:4 Number of vCPUs: 2 to 32 2nd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.5 GHz

**Table 63** Ai1s ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth	Max. PPS (10,000)	Ascend 310 Processors	Ascend RAM (GiB)	Max. NIC Queues	Max. NICs	Virtualization
ai1s.large.4	2	8	4/1.3	20	1	8	2	2	KVM
ai1s.xlarge.4	4	16	6/2	35	2	16	2	3	KVM
ai1s.2xlarge.4	8	32	10/4	50	4	32	4	4	KVM
ai1s.4xlarge.4	16	64	15/8	100	8	64	8	8	KVM
ai1s.8xlarge.4	32	128	25/15	200	16	128	8	8	KVM

**Table 64** Ai1 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth	Max. PPS (10,000)	Ascend 310 Processors	Ascend RAM (GiB)	Max. NIC Queues	Max. NICs	Virtualization
ai1.large.4	2	8	4/1.3	20	1	8	2	2	KVM
ai1.xlarge.4	4	16	6/2	35	2	16	2	3	KVM
ai1.2xlarge.4	8	32	10/4	50	4	32	4	4	KVM
ai1.4xlarge.4	16	64	15/8	100	8	64	8	8	KVM
ai1.8xlarge.4	32	128	25/15	200	16	128	8	8	KVM