A Summary List of x86 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
Series	Compute	Disk Type	Network
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 Maximum number of network connections: 300,000

**Table 2** S6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Virtualization
s6.small.1	1	1	0.8/0.1	10	30	1	2	KVM
s6.medium.2	1	2	0.8/0.1	10	30	1	2	KVM
s6.large.2	2	4	1.5/0.2	15	30	1	2	KVM
s6.xlarge.2	4	8	2/0.35	25	30	1	2	KVM
s6.2xlarge.2	8	16	3/0.75	50	30	2	2	KVM
s6.medium.4	1	4	0.8/0.1	10	30	1	2	KVM
s6.large.4	2	8	1.5/0.2	15	30	1	2	KVM
s6.xlarge.4	4	16	2/0.35	25	30	1	2	KVM
s6.2xlarge.4	8	32	3/0.75	50	30	2	2	KVM

General Computing-plus ECSs

For more details, see General Computing-plus ECSs.

**Table 3** General computing-plus ECS features
Series	Compute	Disk Type	Network
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	Ultra-high PPS throughput An ECS with higher specifications has better network performance. Maximum PPS: 8,500,000 Maximum intranet bandwidth: 40 Gbit/s Maximum number of network connections: 8 million
C7t	vCPU to memory ratio: 1:4 Number of vCPUs: 2 to 128 3rd Generation Intel® Xeon® Scalable Processor Basic/Turbo frequency: 2.6 GHz/3.4 GHz and 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 Maximum number of network connections: 10 million
C6s	vCPU to memory ratio: 1:2 or 1:4 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 Maximum number of network connections: 5 million
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 Maximum number of network connections: 10 million

**Table 4** C7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	EVS Basic Bandwidth/Burst Bandwidth (Gbit/s)	Virtualization
c7n.large.2	2	4	4/0.8	40	50	2	2	16	1.5/6	KVM
c7n.xlarge.2	4	8	8/1.6	80	50	2	3	32	2/6	KVM
c7n.2xlarge.2	8	16	15/3	150	100	4	4	64	3/6	KVM
c7n.3xlarge.2	12	24	17/5	200	150	4	6	96	4/6	KVM
c7n.4xlarge.2	16	32	20/6	280	150	8	8	128	5/6	KVM
c7n.6xlarge.2	24	48	25/9	400	200	8	8	192	6/None	KVM
c7n.8xlarge.2	32	64	30/12	550	300	16	8	256	8/None	KVM
c7n.12xlarge.2	48	96	35/18	750	400	16	8	256	12/None	KVM
c7n.16xlarge.2	64	128	36/24	800	500	28	8	256	16/None	KVM
c7n.24xlarge.2	96	192	40/36	850	800	32	8	256	24/None	KVM
c7n.large.4	2	8	4/0.8	40	50	2	2	16	1.5/6	KVM
c7n.xlarge.4	4	16	8/1.6	80	50	2	3	32	2/6	KVM
c7n.2xlarge.4	8	32	15/3	150	100	4	4	64	3/6	KVM
c7n.3xlarge.4	12	48	17/5	200	150	4	6	96	4/6	KVM
c7n.4xlarge.4	16	64	20/6	280	150	8	8	128	5/6	KVM
c7n.6xlarge.4	24	96	25/9	400	200	8	8	192	6/None	KVM
c7n.8xlarge.4	32	128	30/12	550	300	16	8	256	8/None	KVM
c7n.12xlarge.4	48	192	35/18	750	400	16	8	256	12/None	KVM
c7n.16xlarge.4	64	256	36/24	800	500	28	8	256	16/None	KVM
c7n.24xlarge.4	96	384	40/36	850	800	32	8	256	24/None	KVM

**Table 5** C7t ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	EVS Basic Bandwidth/Burst Bandwidth (Gbit/s)	Virtualization
c7t.large.4	2	8	10/1.28	80	50	2	2	16	1.5/6	QingTian
c7t.xlarge.4	4	16	16/2.56	150	50	2	3	32	2/6
c7t.2xlarge.4	8	32	20/4	200	100	4	4	64	3/6
c7t.3xlarge.4	12	48	34/6.4	300	150	4	6	96	4/6
c7t.4xlarge.4	16	64	40/8	400	150	8	8	128	5/6
c7t.6xlarge.4	24	96	50/14.4	600	200	8	8	192	6/None
c7t.8xlarge.4	32	128	60/16	800	300	16	8	256	8/None
c7t.12xlarge.4	48	192	70/28.8	1,200	400	16	8	256	10/None
c7t.16xlarge.4	64	256	72/32	1500	500	28	8	256	16/None
c7t.24xlarge.4	96	384	80/40	2400	800	32	8	256	20/None

**Table 6** C6s ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Virtualization
c6s.large.2	2	4	1/1	30	50	2	2	KVM
c6s.xlarge.2	4	8	2/2	60	50	2	3	KVM
c6s.2xlarge.2	8	16	4/4	120	100	4	4	KVM
c6s.3xlarge.2	12	24	5.5/5.5	180	150	4	6	KVM
c6s.4xlarge.2	16	32	7.5/7.5	240	150	8	8	KVM
c6s.6xlarge.2	24	48	11/11	350	200	8	8	KVM
c6s.8xlarge.2	32	64	15/15	450	300	16	8	KVM
c6s.12xlarge.2	48	96	22/22	650	400	16	8	KVM
c6s.16xlarge.2	64	128	30/30	850	500	32	8	KVM
c6s.large.4	2	8	1/1	30	50	2	2	KVM
c6s.xlarge.4	4	16	2/2	60	50	2	3	KVM
c6s.2xlarge.4	8	32	4/4	120	100	4	4	KVM
c6s.3xlarge.4	12	48	5.5/5.5	180	150	4	6	KVM
c6s.4xlarge.4	16	64	7.5/7.5	240	150	8	8	KVM
c6s.6xlarge.4	24	96	11/11	350	200	8	8	KVM
c6s.8xlarge.4	32	128	15/15	450	300	16	8	KVM
c6s.12xlarge.4	48	192	22/22	650	400	16	8	KVM
c6s.16xlarge.4	64	256	30/30	850	500	32	8	KVM

**Table 7** C6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	EVS Basic Bandwidth/Burst Bandwidth (Gbit/s)	Virtualization
c6.large.2	2	4	4/1.2	40	50	2	2	1/5	KVM
c6.xlarge.2	4	8	8/2.4	80	50	2	3	1.5/5	KVM
c6.2xlarge.2	8	16	15/4.5	150	100	4	4	2/5	KVM
c6.3xlarge.2	12	24	17/7	200	150	4	6	2.5/5	KVM
c6.4xlarge.2	16	32	20/9	280	150	8	8	3.5/5	KVM
c6.6xlarge.2	24	48	25/14	400	200	8	8	4/5	KVM
c6.8xlarge.2	32	64	30/18	550	300	16	8	7/10	KVM
c6.12xlarge.2	48	96	35/27	750	400	16	8	10/15	KVM
c6.16xlarge.2	64	128	40/36	1,000	500	32	8	20/None	KVM
c6.22xlarge.2	88	176	44/40	1,200	1,000	32	8	20/None	KVM
c6.large.4	2	8	4/1.2	40	50	2	2	1/5	KVM
c6.xlarge.4	4	16	8/2.4	80	50	2	3	1.5/5	KVM
c6.2xlarge.4	8	32	15/4.5	150	100	4	4	2/5	KVM
c6.3xlarge.4	12	48	17/7	200	150	4	6	2.5/5	KVM
c6.4xlarge.4	16	64	20/9	280	150	8	8	3.5/5	KVM
c6.6xlarge.4	24	96	25/14	400	200	8	8	4/5	KVM
c6.8xlarge.4	32	128	30/18	550	300	16	8	7/10	KVM
c6.12xlarge.4	48	192	35/27	750	400	16	8	10/15	KVM
c6.16xlarge.4	64	256	40/36	1,000	500	32	8	20/None	KVM
c6.22xlarge.4	88	352	44/40	1,200	1,000	28	8	20/None	KVM
c6.22xlarge.4.physical	88	384	44/40	1,000	1,000	16	33	20/None	Bare metal

General Computing-Basic ECSs

For more details, see General Computing-Basic ECSs.

**Table 8** General computing-basic ECS features
Series	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 Maximum number of network connections: 500,000

**Table 9** T6 ECS specifications
Flavor	vCPUs	Memory (GiB)	CPU Baseline (%)	Average CPU Baseline (%)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Virtualization
t6.small.1	1	1	10	10	0.3/0.05	6	30	1	1	KVM
t6.large.1	2	2	40	20	0.5/0.1	10	30	1	1	KVM
t6.xlarge.1	4	4	80	20	1/0.2	20	30	2	2	KVM
t6.2xlarge.1	8	8	120	15	2/0.4	40	30	4	2	KVM
t6.4xlarge.1	16	16	240	15	3/0.8	60	50	8	2	KVM
t6.medium.2	1	2	10	10	0.3/0.05	6	30	1	1	KVM
t6.large.2	2	4	40	20	0.5/0.1	10	30	1	1	KVM
t6.xlarge.2	4	8	80	20	1/0.2	20	30	2	2	KVM
t6.2xlarge.2	8	16	120	15	2/0.4	40	30	4	2	KVM
t6.4xlarge.2	16	32	240	15	3/0.8	60	50	8	2	KVM
t6.large.4	2	8	40	20	0.5/0.1	10	30	1	1	KVM
t6.xlarge.4	4	16	80	20	1/0.2	20	30	2	2	KVM
t6.2xlarge.4	8	32	120	15	2/0.4	40	30	4	2	KVM

Memory-optimized ECSs

For more details, see Memory-optimized ECSs.

**Table 10** Memory-optimized ECS features
Series	Compute	Disk Type	Network
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 Maximum number of network connections: 8 million
M6s	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 million PPS Maximum intranet bandwidth: 34 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 Maximum number of network connections: 10 million

**Table 11** M7n ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	EVS Basic Bandwidth/Burst Bandwidth (Gbit/s)	Virtualization
m7n.large.8	2	16	4/0.8	40	50	2	2	1.5/6	KVM
m7n.xlarge.8	4	32	8/1.6	80	50	2	3	2/6	KVM
m7n.2xlarge.8	8	64	15/3	150	100	4	4	3/6	KVM
m7n.3xlarge.8	12	96	17/5	200	150	4	6	4/6	KVM
m7n.4xlarge.8	16	128	20/6	280	150	8	8	5/6	KVM
m7n.6xlarge.8	24	192	25/9	400	200	8	8	6/None	KVM
m7n.8xlarge.8	32	256	30/12	550	300	16	8	8/None	KVM
m7n.12xlarge.8	48	384	35/18	750	400	16	8	12/None	KVM
m7n.16xlarge.8	64	512	36/24	800	500	28	8	16/None	KVM
m7n.24xlarge.8	96	768	40/36	850	800	32	8	24/None	KVM

**Table 12** M6s ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Virtualization
m6s.large.8	2	16	3/1	30	50	2	2	KVM
m6s.xlarge.8	4	32	6/2	60	50	2	3	KVM
m6s.2xlarge.8	8	64	12/4	120	100	4	4	KVM
m6s.3xlarge.8	12	96	14/5.5	160	150	4	6	KVM
m6s.4xlarge.8	16	128	16/7.5	220	150	8	8	KVM
m6s.6xlarge.8	24	192	20/11	320	200	8	8	KVM
m6s.8xlarge.8	32	256	25/15	450	300	16	8	KVM
m6s.16xlarge.8	64	512	34/30	1,000	500	32	8	KVM

**Table 13** M6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	EVS Basic Bandwidth/Burst Bandwidth (Gbit/s)	Virtualization
m6.large.8	2	16	4/1.2	40	50	2	2	1/5	KVM
m6.xlarge.8	4	32	8/2.4	80	50	2	3	1.5/5	KVM
m6.2xlarge.8	8	64	15/4.5	150	100	4	4	2/5	KVM
m6.3xlarge.8	12	96	17/7	200	150	4	6	2.5/5	KVM
m6.4xlarge.8	16	128	20/9	280	150	8	8	3.5/5	KVM
m6.6xlarge.8	24	192	25/14	400	200	8	8	4/5	KVM
m6.8xlarge.8	32	256	30/18	550	300	16	8	7/10	KVM
m6.16xlarge.8	64	512	40/36	1,000	500	32	8	20/None	KVM

Large-Memory ECSs

For more details, see Large-Memory ECSs.

**Table 14** Large-memory ECS features
Series	Compute	Disk Type	Network
E7	vCPU to memory ratio: 1:20 Number of vCPUs: 48 to 96 Next-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: 10,000,000 Maximum intranet bandwidth: 44 Gbit/s Maximum number of network connections: 10 million

**Table 15** E7 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Max. Supplementary NICs	Virtualization
e7.12xlarge.20	48	960	30/20	550	500	16	8	1024	KVM
e7.24xlarge.20	96	1920	44/40	1,000	1,000	32	8	2048	KVM

Disk-intensive ECSs

For more details, see Disk-intensive ECSs.

**Table 16** Disk-intensive ECS features
Series	Compute	Disk Type	Network
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 Maximum number of network connections: 7 million

**Table 17** D6 ECS specifications
Flavor	vCPUs	Memory (GiB)	Max./Assured Bandwidth (Gbit/s)	Max. PPS (10,000)	Network Connections (10,000)	Max. NIC Queues	Max. NICs	Local Disks (GiB)	Virtualization
d6.xlarge.4	4	16	5/2	60	50	2	3	2 × 3,600	KVM
d6.2xlarge.4	8	32	10/4	120	100	4	4	4 × 3,600	KVM
d6.4xlarge.4	16	64	20/7.5	240	150	8	8	8 × 3,600	KVM
d6.6xlarge.4	24	96	25/11	350	200	8	8	12 × 3,600	KVM
d6.8xlarge.4	32	128	30/15	450	300	16	8	16 × 3,600	KVM
d6.12xlarge.4	48	192	40/22	650	400	16	8	24 × 3,600	KVM
d6.16xlarge.4	64	256	42/30	850	500	32	8	32 × 3,600	KVM

GPU-accelerated ECSs

For more details, see GPU-accelerated ECSs.

**Table 18** GPU-accelerated ECSs
Type	Series	GPU	CUDA Cores per GPU	Single-GPU Performance	Application
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.
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

**Table 19** 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 20** 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
pi2.16xlarge.4	64	256	30/30	400	32	8	8 × T4	8 × 16	N/A	KVM