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doc-exports/docs/ecs/umn/en-us_topic_0035470101.html
wanghuijuan738 0acd016099 ECS UMN 20250520 version. Added x instance specifications. 
Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
2025-05-28 09:54:06 +00:00

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General-Purpose ECSs

Overview

General-purpose ECSs provide a balance of compute, memory, and networking resources and a baseline level of vCPU performance with the ability to burst above the baseline. These ECSs are suitable for applications with general workloads, such as web servers, enterprise R&D, and small-scale databases.

S7n ECSs use the 3rd generation Intel® Xeon® Scalable processors and 25GE high-speed intelligent NICs to provide high network bandwidth and packets per second (PPS) at the lowest possible price.

S3 ECSs are suitable for applications that require moderate performance generally but occasionally burstable high performance, such as light-workload web servers, enterprise R&D and testing environments, and low- and medium-performance databases.

S2 ECSs use Intel® Xeon® Scalable processors, which significantly improve the comprehensive performance. They provide a balance of compute, memory, and networking resources and a baseline level of vCPU performance with the ability to burst above the baseline. These ECSs are suitable for the scenarios where vCPU performance is not often (or always) used but is occasionally used.

X1 ECSs use Intel® Xeon® Scalable processors, which significantly improve the comprehensive performance. They provide a balance of compute, memory, and networking resources and a baseline level of vCPU performance with the ability to burst above the baseline.

Scenarios

  • Applications

    Web servers, R&D and testing environments for developers, and small-scale databases

  • Features:

    The applications have no special requirements on vCPUs, memory, disk capacity, and bandwidth, but have high requirements on security and reliability. Users require low initial investment and maintenance costs.

  • Application scenarios:

    Enterprise website deployment, enterprise office environment setup, and enterprise R&D and testing activities

    X1 ECSs are suitable for websites and web applications, lightweight databases and cache servers, and medium- and light-load enterprise applications.

Specifications

Table 1 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

Hardware

s7n.small.1

1

1

0.8/0.1

10

1

2

4

KVM

CPU: Intel® Xeon® Ice Lake 6348

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 2 S3 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

Hardware

s3.medium.1

1

1

0.8/0.15

10

1

2

KVM

CPU: Intel® Xeon® Cascade Lake 6278

s3.large.1

2

2

1.5/0.3

15

1

2

KVM

s3.xlarge.1

4

4

2/0.5

25

1

2

KVM

s3.2xlarge.1

8

8

3/1

50

2

2

KVM

s3.4xlarge.1

16

16

6/2

100

4

2

KVM

s3.8xlarge.1

32

32

8/2

200

8

4

KVM

s3.medium.2

1

2

0.8/0.15

10

1

2

KVM

s3.large.2

2

4

1.5/0.3

15

1

2

KVM

s3.xlarge.2

4

8

2/0.5

25

1

2

KVM

s3.2xlarge.2

8

16

3/1

50

2

2

KVM

s3.4xlarge.2

16

32

6/2

100

4

2

KVM

s3.8xlarge.2

32

64

8/2

200

8

4

KVM

s3.medium.4

1

4

0.8/0.15

10

1

2

KVM

s3.large.4

2

8

1.5/0.3

15

1

2

KVM

s3.xlarge.4

4

16

2/0.5

25

1

2

KVM

s3.2xlarge.4

8

32

3/1

50

2

2

KVM

s3.4xlarge.4

16

64

6/2

100

4

2

KVM

s3.8xlarge.4

32

128

8/2

200

8

4

KVM

s3.medium.8

1

8

0.8/0.15

10

1

2

KVM

s3.large.8

2

16

1.5/0.3

15

1

2

KVM

s3.xlarge.8

4

32

2/0.5

25

1

2

KVM

s3.2xlarge.8

8

64

3/1

50

2

2

KVM

s3.4xlarge.8

16

128

6/2

100

4

2

KVM

s3.8xlarge.8

32

256

8/2

200

8

4

KVM
Table 3 S2 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

Hardware

s2.medium.1

1

1

0.5/0.1

5

1

12

KVM

CPU: Intel® Xeon® Skylake 6161

s2.large.1

2

2

0.8/0.2

10

1

12

KVM

s2.xlarge.1

4

4

1.5/0.4

15

1

12

KVM

s2.2xlarge.1

8

8

3/0.8

20

2

12

KVM

s2.4xlarge.1

16

16

4/1.5

30

4

12

KVM

s2.8xlarge.1

32

32

6/3

50

8

12

KVM

s2.medium.2

1

2

0.5/0.1

5

1

12

KVM

s2.large.2

2

4

0.8/0.2

10

1

12

KVM

s2.xlarge.2

4

8

1.5/0.4

15

1

12

KVM

s2.2xlarge.2

8

16

3/0.8

20

2

12

KVM

s2.4xlarge.2

16

32

4/1.5

30

4

12

KVM

s2.8xlarge.2

32

64

6/3

50

8

12

KVM

s2.medium.4

1

4

0.5/0.1

5

1

12

KVM

s2.large.4

2

8

0.8/0.2

10

1

12

KVM

s2.xlarge.4

4

16

1.5/0.4

15

1

12

KVM

s2.2xlarge.4

8

32

3/0.8

20

2

12

KVM

s2.4xlarge.4

16

64

4/1.5

30

4

12

KVM

s2.8xlarge.4

32

128

6/3

50

8

12

KVM

s2.medium.8

1

8

0.5/0.1

5

1

12

KVM

s2.large.8

2

16

0.8/0.2

10

1

12

KVM

s2.xlarge.8

4

32

1.5/0.4

15

1

12

KVM

s2.2xlarge.8

8

64

3/0.8

20

2

12

KVM

s2.4xlarge.8

16

128

4/1.5

30

4

12

KVM

s2.8xlarge.8

32

256

6/3

50

8

12

KVM
Table 4 X1 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Bandwidth

(Gbit/s)

Max. PPS

(10,000)

Max. NICs

Virtualization

x1.large.2

2

4

0.8/0.2

10

2

KVM

x1.slarge.2

3

6

0.8/0.2

10

2

KVM

x1.xlarge.2

4

8

1.5/0.4

15

2

KVM

x1.2slarge.2

6

12

1.5/0.4

15

3

KVM

x1.3xlarge.2

12

24

3/0.8

20

4

KVM

x1.large.3

2

6

0.8/0.2

10

2

KVM

x1.slarge.3

3

9

0.8/0.2

10

2

KVM

x1.xlarge.3

4

12

1.5/0.4

15

2

KVM

x1.2slarge.3

6

18

1.5/0.4

15

3

KVM

x1.3xlarge.3

12

36

3/0.8

20

4

KVM

x1.large.4

2

8

0.8/0.2

10

2

KVM

x1.slarge.4

3

12

0.8/0.2

10

2

KVM

x1.xlarge.4

4

16

1.5/0.4

15

2

KVM

x1.2slarge.4

6

24

1.5/0.4

15

3

KVM

x1.3xlarge.4

12

48

3/0.8

20

4

KVM

Notes

Table 5 lists the OSs supported by general-purpose ECSs.

Table 5 Supported OS versions

OS

Version

Alma

Alma 8 64bit

CentOS
  • CentOS Stream 9.6 64bit
  • CentOS Stream 8.6 64bit
  • CentOS 8.5 64bit
  • CentOS 8.4 64bit
  • CentOS 8.3 64bit
  • CentOS 8.2 64bit
  • CentOS 8.1 64bit
  • CentOS 7.9 64bit
  • CentOS 7.7 64bit

Debian
  • Debian GNU/Linux 12.0.0 64bit
  • Debian GNU/Linux 11.7.0 64bit
  • Debian GNU/Linux 11.6.0 64bit
  • Debian GNU/Linux 11.5.0 64bit
  • Debian GNU/Linux 11.4.0 64bit
  • Debian GNU/Linux 11.3.0 64bit
  • Debian GNU/Linux 11.2.0 64bit
  • Debian GNU/Linux 11.1.0 64bit
  • Debian GNU/Linux 11.0.0 64bit
  • Debian GNU/Linux 10.13.0 64bit
  • Debian GNU/Linux 10.12.0 64bit
  • Debian GNU/Linux 10.11.0 64bit
  • Debian GNU/Linux 10.10.0 64bit
  • Debian GNU/Linux 10.9.0 64bit
  • Debian GNU/Linux 10.8.0 64bit
  • Debian GNU/Linux 10.7.0 64bit
  • Debian GNU/Linux 10.6.0 64bit
  • Debian GNU/Linux 10.5.0 64bit
  • Debian GNU/Linux 10.4.0 64bit
  • Debian GNU/Linux 10.3.0 64bit
  • Debian GNU/Linux 10.2.0 64bit
  • Debian GNU/Linux 10.1.0 64bit
  • Debian GNU/Linux 10 64bit

EulerOS
  • EulerOS 2.12 64bit
  • EulerOS 2.11 64bit
  • EulerOS 2.10 64bit
  • EulerOS 2.8 64bit
  • EulerOS 2.7 64bit
  • EulerOS 2.5 64bit

Fedora
  • Fedora 39 64bit
  • Fedora 38 64bit
  • Fedora 37 64bit
  • Fedora 36 64bit
  • Fedora 35 64bit
  • Fedora 34 64bit
  • Fedora 33 64bit
  • Fedora 32 64bit
  • Fedora 31 64bit

OpenSUSE
  • OpenSUSE 15.5 64bit
  • OpenSUSE 15.4 64bit
  • OpenSUSE 15.3 64bit
  • OpenSUSE 15.2 64bit

Oracle Linux
  • Oracle Linux Server release 8.4 64bit
  • Oracle Linux Server release 7.6 64bit

Red Hat
  • Red Hat Enterprise Linux 9.1 64bit
  • Red Hat Enterprise Linux 9.0 64bit
  • Red Hat Enterprise Linux 8.7 64bit
  • Red Hat Enterprise Linux 8.6 64bit
  • Red Hat Enterprise Linux 8.5 64bit
  • Red Hat Enterprise Linux 8.4 64bit
  • Red Hat Enterprise Linux 8.3 64bit
  • Red Hat Enterprise Linux 8.2 64bit
  • Red Hat Enterprise Linux 8.1 64bit
  • Red Hat Enterprise Linux 7.9 64bit
  • Red Hat Enterprise Linux 6.10 64bit

Rocky
  • 9.2 64bit
  • 9.1 64bit
  • 9.0 64bit
  • 8.8 64bit
  • 8.7 64bit
  • 8.6 64bit
  • 8.5 64bit
  • 8.4 64bit
  • 8.3 64bit
  • 8 64bit

SUSE
  • Novell SUSE Linux Enterprise Server 15 SP5 64bit
  • Novell SUSE Linux Enterprise Server 15 SP4 64bit
  • Novell SUSE Linux Enterprise Server 15 SP3 64bit
  • Novell SUSE Linux Enterprise Server 15 SP2 64bit
  • Novell SUSE Linux Enterprise Server 15 SP1 64bit
  • Novell SUSE Linux Enterprise Server 15 64bit
  • Novell SUSE Linux Enterprise Server 12 SP5 64bit
  • Novell SUSE Linux Enterprise Server 12 SP4 64bit
  • Novell SUSE Linux Enterprise Server 12 SP3 64bit

Ubuntu
  • Ubuntu 22.04 Server 64bit
  • Ubuntu 20.04 server 64bit
  • Ubuntu 18.04 server 64bit

Windows
  • Windows Server 2022 Standard 64bit
  • Windows Server 2022 Datacenter 64bit
  • Windows Server 2019 Datacenter 64bit
  • Windows Server 2019 Standard 64bit
  • Windows Server 2016 Standard 64bit
  • Windows Server 2012 R2 Standard 64bit

openEuler
  • openEuler 22.03 SP1 64bit
  • openEuler 22.03 64bit
  • openEuler 20.03 SP3 64bit
  • openEuler 20.03 SP2 64bit
  • openEuler 20.03 SP1 64bit
  • openEuler 20.03 64bit
Parent topic: ECS Specifications