Updated on 2024-06-21 GMT+08:00

A Summary List of x86 ECS Specifications

General-Purpose

Table 1 S6 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

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

1

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

Dedicated General-Purpose

Table 2 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 3 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

1000

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

1000

32

8

20

KVM

Table 4 C6nl ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Virtualization

c6nl.large.1

2

2

4/1

32

2

KVM

c6nl.large.2

2

4

4/1

32

2

KVM

c6nl.large.4

2

8

4/1

32

2

KVM

c6nl.xlarge.1

4

4

8/2

64

2

KVM

c6nl.xlarge.2

4

8

8/2

64

2

KVM

c6nl.xlarge.4

4

16

8/2

64

2

KVM

c6nl.2xlarge.1

8

8

15/4

120

4

KVM

c6nl.2xlarge.2

8

16

15/4

120

4

KVM

c6nl.2xlarge.4

8

32

15/4

120

4

KVM

c6nl.3xlarge.1

12

12

17/6

160

4

KVM

c6nl.3xlarge.2

12

24

17/6

160

4

KVM

c6nl.3xlarge.4

12

48

17/6

160

4

KVM

c6nl.4xlarge.1

16

16

20/8

224

8

KVM

c6nl.4xlarge.2

16

32

20/8

224

8

KVM

c6nl.4xlarge.4

16

64

20/8

224

8

KVM

c6nl.6xlarge.2

24

48

25/12

320

8

KVM

c6nl.6xlarge.4

24

96

25/12

320

8

KVM

c6nl.8xlarge.2

32

64

30/16

440

16

KVM

c6nl.8xlarge.4

32

128

30/16

440

16

KVM

c6nl.12xlarge.2

48

96

35/27

750

16

KVM

c6nl.12xlarge.4

48

192

35/27

750

16

KVM

c6nl.16xlarge.2

64

128

40/32

800

32

KVM

c6nl.16xlarge.4

64

256

40/32

800

32

KVM

Table 5 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

Memory-optimized

Table 6 M6 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

EVS Basic Bandwidth

(Gbit/s)

Virtualization

m6.large.8

2

16

4/1.2

40

2

1.5

KVM

m6.xlarge.8

4

32

8/2.4

80

2

2

KVM

m6.2xlarge.8

8

64

15/4.5

150

4

2.5

KVM

m6.3xlarge.8

12

96

17/7

200

4

4

KVM

m6.4xlarge.8

16

128

20/9

280

8

5

KVM

m6.6xlarge.8

24

192

25/14

400

8

8

KVM

m6.8xlarge.8

32

256

30/18

550

16

10

KVM

m6.16xlarge.8

64

512

40/36

1000

32

20

KVM

Table 7 M6nl ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Virtualization

m6nl.large.8

2

16

4/1

32

2

KVM

m6nl.xlarge.8

4

32

8/2

64

2

KVM

m6nl.2xlarge.8

8

64

15/4

120

4

KVM

m6nl.3xlarge.8

12

96

17/6

160

4

KVM

m6nl.4xlarge.8

16

128

20/8

224

8

KVM

m6nl.6xlarge.8

24

192

25/12

320

8

KVM

m6nl.8xlarge.8

32

256

30/16

440

16

KVM

m6nl.16xlarge.8

64

512

40/32

800

32

KVM

Table 8 M7n ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Max. Supplementary NICs

Virtualization

m7n.large.8

2

16

4/0.8

40

2

2

16

KVM

m7n.xlarge.8

4

32

8/1.6

80

2

3

32

KVM

m7n.2xlarge.8

8

64

15/3

150

4

4

64

KVM

m7n.3xlarge.8

12

96

17/5

200

4

6

96

KVM

m7n.4xlarge.8

16

128

20/6

280

8

8

128

KVM

m7n.6xlarge.8

24

192

25/9

400

8

8

192

KVM

m7n.8xlarge.8

32

256

30/12

550

16

8

256

KVM

m7n.12xlarge.8

48

384

35/18

750

16

8

256

KVM

m7n.16xlarge.8

64

512

36/24

800

28

8

256

KVM

m7n.24xlarge.8

96

768

40/36

850

32

8

256

KVM

Large-Memory

Table 9 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

Table 10 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

Ultra-high I/O

Table 11 I3 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Local Disks

Virtualization

i3.2xlarge.8

8

64

2.5/2.5

100

4

4

1 × 1,600 GiB NVMe

KVM

i3.4xlarge.8

16

128

5/5

150

4

8

2 × 1,600 GiB NVMe

KVM

i3.8xlarge.8

32

256

10/10

200

8

8

4 × 1,600 GiB NVMe

KVM

i3.12xlarge.8

48

384

15/15

240

8

8

6 × 1,600 GiB NVMe

KVM

i3.16xlarge.8

64

512

25/25

500

16

8

8 × 1,600 GiB NVMe

KVM

Table 12 I3nl ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Local Disks

Virtualization

i3nl.2xlarge.8

8

64

15/4

120

4

4

1 x 1.6 TiB NVMe

KVM

i3nl.4xlarge.8

16

128

20/8

224

8

8

2 x 1.6 TiB NVMe

KVM

i3nl.8xlarge.8

32

256

30/16

440

16

8

4 x 1.6 TiB NVMe

KVM

i3nl.12xlarge.8

48

384

35/27

750

16

8

6 x 1.6 TiB NVMe

KVM

i3nl.16xlarge.8

64

512

40/32

800

32

8

8 x 1.6 TiB NVMe

KVM

Table 13 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 Disk

Virtualization

i7n.2xlarge.4

8

32

10/3.4

120

4

4

64

1 × 1.6T NVMe

KVM

i7n.8xlarge.4

32

128

25/13.5

400

8

8

192

4 × 1.6T NVMe

KVM

i7n.12xlarge.4

48

192

30/20

500

16

8

256

6 × 1.6T NVMe

KVM

i7n.16xlarge.4

64

256

35/27

600

16

8

256

8 × 1.6T NVMe

KVM

i7n.24xlarge.4

96

420

44/40

800

32

8

256

12 × 1.6T NVMe

KVM

GPU-accelerated

Table 14 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 15 Pi2 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

pi2.2xlarge.4

8

32

10/4

50

4

1 × T4

1 × 16

N/A

KVM

pi2.4xlarge.4

16

64

15/8

100

8

2 × T4

2 × 16

N/A

KVM

pi2.8xlarge.4

32

128

25/15

200

16

4 × T4

4 × 16

N/A

KVM

pi2.16xlarge.4

64

256

30/30

400

32

8 × T4

8 × 16

N/A

KVM

Table 16 Pi2nl 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

pi2nl.2xlarge.4

8

32

10/4

50

4

1 × T4

1 × 16

N/A

KVM

pi2nl.4xlarge.4

16

64

15/8

100

8

2 × T4

2 × 16

N/A

KVM

pi2nl.8xlarge.4

32

128

25/15

200

16

4 × T4

4 × 16

N/A

KVM

pi2nl.16xlarge.4

64

256

30/30

400

32

8 × T4

8 × 16

N/A

KVM

AI-accelerated

Table 17 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 18 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