Updated on 2024-06-11 GMT+08:00

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
Table 2 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

General Computing-plus ECSs

For more details, see General Computing-plus ECSs.

Table 3 General computing 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

C7t

  • vCPU to memory ratio: 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

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

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
Table 4 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 5 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.4

2

8

10/1.28

80

2

2

16

QingTian

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 6 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 7 C6 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

EVS Basic Bandwidth

(Gbit/s)

Virtualization

c6.large.2

2

4

4/1.2

40

2

2

1.5

KVM

c6.xlarge.2

4

8

8/2.4

80

2

3

2

KVM

c6.2xlarge.2

8

16

15/4.5

150

4

4

2.5

KVM

c6.3xlarge.2

12

24

17/7

200

4

6

4

KVM

c6.4xlarge.2

16

32

20/9

280

8

8

5

KVM

c6.6xlarge.2

24

48

25/14

400

8

8

8

KVM

c6.8xlarge.2

32

64

30/18

550

16

8

10

KVM

c6.12xlarge.2

48

96

35/27

750

16

8

15

KVM

c6.16xlarge.2

64

128

40/36

1,000

32

8

20

KVM

c6.22xlarge.2

88

176

44/40

1,200

32

8

20

KVM

c6.large.4

2

8

4/1.2

40

2

2

1.5

KVM

c6.xlarge.4

4

16

8/2.4

80

2

3

2

KVM

c6.2xlarge.4

8

32

15/4.5

150

4

4

2.5

KVM

c6.3xlarge.4

12

48

17/7

200

4

6

4

KVM

c6.4xlarge.4

16

64

20/9

280

8

8

5

KVM

c6.6xlarge.4

24

96

25/14

400

8

8

8

KVM

c6.8xlarge.4

32

128

30/18

550

16

8

10

KVM

c6.12xlarge.4

48

192

35/27

750

16

8

15

KVM

c6.16xlarge.4

64

256

40/36

1,000

32

8

20

KVM

c6.22xlarge.4

88

352

44/40

1,200

28

8

20

KVM

c6.22xlarge.4.physical

88

384

44/40

1,000

16

33

20

Bare metal

General Computing-Basic ECSs

For more details, see General Computing-Basic ECSs.

Table 8 General computing 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
Table 9 T6 ECS specifications

Flavor

vCPUs

Memory

(GiB)

CPU Baseline (%)

Average CPU Baseline (%)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

t6.small.1

1

1

10

10

0.3/0.05

6

1

1

KVM

t6.large.1

2

2

40

20

0.5/0.1

10

1

1

KVM

t6.xlarge.1

4

4

80

20

1/0.2

20

2

2

KVM

t6.2xlarge.1

8

8

120

15

2/0.4

40

4

2

KVM

t6.4xlarge.1

16

16

240

15

3/0.8

60

8

2

KVM

t6.medium.2

1

2

10

10

0.3/0.05

6

1

1

KVM

t6.large.2

2

4

40

20

0.5/0.1

10

1

1

KVM

t6.xlarge.2

4

8

80

20

1/0.2

20

2

2

KVM

t6.2xlarge.2

8

16

120

15

2/0.4

40

4

2

KVM

t6.4xlarge.2

16

32

240

15

3/0.8

60

8

2

KVM

t6.large.4

2

8

40

20

0.5/0.1

10

1

1

KVM

t6.xlarge.4

4

16

80

20

1/0.2

20

2

2

KVM

t6.2xlarge.4

8

32

120

15

2/0.4

40

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

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
Table 11 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 12 M6s ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

m6s.large.8

2

16

3/1

30

2

2

KVM

m6s.xlarge.8

4

32

6/2

60

2

3

KVM

m6s.2xlarge.8

8

64

12/4

120

4

4

KVM

m6s.3xlarge.8

12

96

14/5.5

160

4

6

KVM

m6s.4xlarge.8

16

128

16/7.5

220

8

8

KVM

m6s.6xlarge.8

24

192

20/11

320

8

8

KVM

m6s.8xlarge.8

32

256

25/15

450

16

8

KVM

m6s.16xlarge.8

64

512

34/30

1,000

32

8

KVM

Table 13 M6 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

EVS Basic Bandwidth

(Gbit/s)

Virtualization

m6.large.8

2

16

4/1.2

40

2

2

1.5

KVM

m6.xlarge.8

4

32

8/2.4

80

2

3

2

KVM

m6.2xlarge.8

8

64

15/4.5

150

4

4

2.5

KVM

m6.3xlarge.8

12

96

17/7

200

4

6

4

KVM

m6.4xlarge.8

16

128

20/9

280

8

8

5

KVM

m6.6xlarge.8

24

192

25/14

400

8

8

8

KVM

m6.8xlarge.8

32

256

30/18

550

16

8

10

KVM

m6.16xlarge.8

64

512

40/36

1,000

32

8

20

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
  • 3rd Generation Intel® Xeon® Scalable Processor
  • Basic/Turbo frequency (vCPU to memory ratio: 1:20): 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
Table 15 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

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
Table 17 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

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

AI-accelerated ECSs

Table 21 Ai2 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

Max. PPS

(10,000)

Ascend 310P

Ascend RAM

(GiB)

Max. NIC Queues

Max. NICs

Virtualization

ai2.4xlarge.4

16

64

20/6

280

1

24

8

8

KVM

ai2.8xlarge.4

32

128

30/12

550

2

48

8

8

KVM

ai2.16xlarge.4

64

256

36/24

800

4

96

16

8

KVM

ai2.24xlarge.4

96

384

40/36

850

6

144

32

8

KVM