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doc-exports/docs/ecs/umn/en-us_topic_0091224748.html
wanghuijuan738 4304fed907 ECS UMN 20260417 version. Added secure boot content. 
Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
2026-05-11 15:42:48 +00:00

152 KiB
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Dedicated General-Purpose ECSs

Overview

C9 ECSs use the sixth-generation Intel ® Xeon ® Scalable processors and KVM virtualization to provide enhanced compute, network, and security performance for high-load scenarios such as databases, gaming, and HPC.

C7n ECSs use the third-generation Intel® Xeon® Scalable processors to provide enhanced performance, security, and stability. A C7n ECS can have up to 96 vCPUs and 3,200 MHz memory frequency, and provides a secure and trusted cloud environment.

C7t ECSs support encryption using Intel® SGX to protect the confidentiality and integrity of key code and data from being damaged by malware. Based on the TPM/TCM chip, the boot chain from the underlying server hardware to the guest OS can be measured and verified to implement trusted boot.

C4 ECSs use second-generation Intel® Xeon® Scalable processors to provide powerful and stable computing performance. By using high-speed intelligent NICs, C4 ECSs offer ultra-high network bandwidth and packets per second (PPS).

C3 ECSs use Intel® Xeon® Scalable processors, KVM virtualization, Data Plane Development Kit (DPDK) rapid packet processing mechanism, and high-performance NICs to deliver high and stable computing performance for enterprise-grade applications.

X1e ECSs deliver powerful and stable compute. They use Intel® Xeon® Scalable processors and high-performance networks to provide high performance and stability for enterprise-grade applications.

Scenarios

  • C9 ECSs are suitable for:
    • Databases that require high performance and low latency
    • Gaming applications that require high performance and stability
    • High-performance computing (HPC) applications such as electronic design automation (EDA) and scientific computing
    • Internet communication that requires high PPS, such as on-screen comments and real-time voice
  • C7n ECSs are suitable for:
    • Medium- and heavy-load enterprise applications with strict requirements on computing and network performance, such as web applications, e-commerce platforms, short video platforms, online games, and insurance and finance.
  • C7t ECSs are suitable for:
    • Scenarios involving sensitive information such as personal identity information and healthcare, financial, and intellectual property data
    • Confidential data sharing in multi-party computation
    • Blockchain
    • Confidential machine learning
    • Scenarios with high security and trustworthy requirements, such as finance, government, and enterprises
    • Enterprise-class applications of various types and scales
  • C4 ECSs are suitable for:
    • Websites and web applications that require high computing and network performance
    • General databases
    • Cache servers
    • Medium- and heavy-load enterprise applications
  • C3 ECSs are suitable for:
    • Small- and medium-sized databases, cache clusters, and search clusters with high requirements on stability
    • Enterprise-class applications of various types and scales
  • X1e ECSs are suitable for:
    • Small- and medium-sized databases that require high stability
    • Cache and search clusters
    • Enterprise-grade applications

Specifications

Table 1 C9 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Network Connections (10,000)

Max. NIC Queues

Max. NICs

Max. EVS Disk Bandwidth (Gbit/s)

Max. EVS Disk IOPS (10,000)

Virtualization

c9.large.2

2

4

20/3

100

75

2

2

11

11

KVM

c9.xlarge.2

4

8

20/5

160

200

4

3

11

11

c9.2xlarge.2

8

16

20/8

200

300

8

8

11

11

c9.4xlarge.2

16

32

30/12

350

400

16

8

11

11

c9.8xlarge.2

32

64

40/25

700

600

32

8

11

11

c9.16xlarge.2

64

128

60/40

1,400

700

64

8

21

23

c9.32xlarge.2

128

256

100/80

2,000

1,000

64

10

43

46

c9.48xlarge.2

192

376

120/102

4,000

1,000

64

12

64

70

c9.large.4

2

8

20/3

100

75

2

2

11

11

c9.xlarge.4

4

16

20/5

160

200

4

3

11

11

c9.2xlarge.4

8

32

20/8

200

300

8

8

11

11

c9.4xlarge.4

16

64

30/12

350

400

16

8

11

11

c9.8xlarge.4

32

128

40/25

700

600

32

8

11

11

c9.16xlarge.4

64

256

60/40

1,400

700

64

8

21

23

c9.32xlarge.4

128

512

100/80

2,000

1,000

64

10

43

46

c9.48xlarge.4

192

752

120/102

4,000

1,000

64

12

64

70
Table 2 C7n ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Network Connections

(10,000)

Max. NIC Queues

Max. NICs

Max./Assured EVS Disk Bandwidth

(Gbit/s)

Max. EVS Disk IOPS (10,000)

Virtualization

c7n.large.2

2

4

4/0.8

40

50

2

2

6/1.5

16

KVM

c7n.xlarge.2

4

8

8/1.6

80

50

2

3

6/2

16

KVM

c7n.2xlarge.2

8

16

15/3

150

100

4

4

6/3

16

KVM

c7n.3xlarge.2

12

24

17/5

200

150

4

6

6/4

16

KVM

c7n.4xlarge.2

16

32

20/6

280

150

8

8

6/5

16

KVM

c7n.6xlarge.2

24

48

25/9

400

200

8

8

6/6

16

KVM

c7n.8xlarge.2

32

64

30/12

550

300

16

8

8/8

16

KVM

c7n.12xlarge.2

48

96

35/18

750

400

16

8

12/12

16

KVM

c7n.16xlarge.2

64

128

36/24

800

500

28

8

16/16

16

KVM

c7n.24xlarge.2

96

192

40/36

850

800

32

8

24/24

22.5

KVM

c7n.large.4

2

8

4/0.8

40

50

2

2

6/1.5

16

KVM

c7n.xlarge.4

4

16

8/1.6

80

50

2

3

6/2

16

KVM

c7n.2xlarge.4

8

32

15/3

150

100

4

4

6/3

16

KVM

c7n.3xlarge.4

12

48

17/5

200

150

4

6

6/4

16

KVM

c7n.4xlarge.4

16

64

20/6

280

150

8

8

6/5

16

KVM

c7n.6xlarge.4

24

96

25/9

400

200

8

8

6/6

16

KVM

c7n.8xlarge.4

32

128

30/12

550

300

16

8

8/8

16

KVM

c7n.12xlarge.4

48

192

35/18

750

400

16

8

12/12

16

KVM

c7n.16xlarge.4

64

256

36/24

800

500

28

8

16/16

16

KVM

c7n.24xlarge.4

96

384

40/36

850

800

32

8

24/24

22.5

KVM
Table 3 C7t ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

c7t.28xlarge.4.physical

112

512

64/64

3,000

32

32

Bare metal

C7t ECSs do not support ECS groups.

Table 4 C4 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Max. NIC Queues

Max. NICs

Virtualization

Hardware

c4.large.2

2

4

4/1.2

40

2

2

KVM

CPU: Intel® Xeon® Cascade Lake 6266

c4.xlarge.2

4

8

8/2.4

80

2

3

KVM

c4.2xlarge.2

8

16

15/4.5

150

4

4

KVM

c4.3xlarge.2

12

24

17/7

200

4

6

KVM

c4.4xlarge.2

16

32

20/9

280

8

8

KVM

c4.6xlarge.2

24

48

25/14

400

8

8

KVM

c4.8xlarge.2

32

64

30/18

550

16

8

KVM

c4.16xlarge.2

64

128

40/36

1,000

32

8

KVM

c4.large.4

2

8

4/1.2

40

2

2

KVM

c4.xlarge.4

4

16

8/2.4

80

2

3

KVM

c4.2xlarge.4

8

32

15/4.5

150

4

4

KVM

c4.3xlarge.4

12

48

17/7

200

4

6

KVM

c4.4xlarge.4

16

64

20/9

280

8

8

KVM

c4.6xlarge.4

24

96

25/14

400

8

8

KVM

c4.8xlarge.4

32

128

30/18

550

16

8

KVM

c4.16xlarge.4

64

256

40/36

1,000

32

8

KVM
Table 5 C3 ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Max. NIC Queues

Max. NICs

Basic EVS Disk Bandwidth

(Gbit/s)

Virtualization

Hardware

c3.large.2

2

4

1.5/0.6

30

2

12

1

KVM

CPU: Intel® Xeon® Skylake 6151

c3.xlarge.2

4

8

3/1

50

2

12

1.5

KVM

c3.2xlarge.2

8

16

5/2

90

4

12

2

KVM

c3.4xlarge.2

16

32

10/4

130

4

12

3

KVM

c3.8xlarge.2

32

64

15/8

260

8

12

4

KVM

c3.15xlarge.2

60

128

17/16

500

16

12

8

KVM

c3.large.4

2

8

1.5/0.6

30

2

12

1

KVM

c3.xlarge.4

4

16

3/1

50

2

12

1.5

KVM

c3.2xlarge.4

8

32

5/2

90

4

12

2

KVM

c3.4xlarge.4

16

64

10/4

130

4

12

3

KVM

c3.8xlarge.4

32

128

15/8

260

8

12

4

KVM

c3.15xlarge.4

60

256

16/16

500

16

12

8

KVM
Table 6 X1e ECS specifications

Flavor

vCPUs

Memory

(GiB)

Max./Assured Network Bandwidth

(Gbit/s)

Max. Network PPS

(10,000)

Network Connections

(10,000)

Max. NIC Queues

Max. NICs

Max. EVS Disks

Virtualization

Hardware

x1e.large.2

2

4

1.5/0.6

30

100

1

2

60

KVM

CPU: Intel® Skylake 6151

x1e.slarge.2

3

6

2/0.8

40

100

1

2

60

KVM

x1e.xlarge.2

4

8

3/1

50

100

1

2

60

KVM

x1e.2slarge.2

6

12

4/1.5

70

100

1

3

60

KVM

x1e.2xlarge.2

8

16

5/2

90

100

2

3

60

KVM

x1e.3xlarge.2

12

24

7/3

110

100

2

4

60

KVM

x1e.large.3

2

6

1.5/0.6

30

100

1

2

60

KVM

x1e.slarge.3

3

9

2/0.8

40

100

1

2

60

KVM

x1e.xlarge.3

4

12

3/1

50

100

1

2

60

KVM

x1e.2slarge.3

6

18

4/1.5

70

100

1

3

60

KVM

x1e.2xlarge.3

8

24

5/2

90

100

2

3

60

KVM

x1e.3xlarge.3

12

36

7/3

110

100

2

4

60

KVM

x1e.large.4

2

8

1.5/0.6

30

100

1

2

60

KVM

x1e.slarge.4

3

12

2/0.8

40

100

1

2

60

KVM

x1e.xlarge.4

4

16

3/1

50

100

1

2

60

KVM

x1e.2slarge.4

6

24

4/1.5

70

100

1

3

60

KVM

x1e.2xlarge.4

8

32

5/2

90

100

2

3

60

KVM

x1e.3xlarge.4

12

48

7/3

110

100

2

4

60

KVM

Notes

Table 7 lists the OSs supported by dedicated general-purpose ECSs.

Table 7 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 24.04 server 64bit
  • Ubuntu 22.04 Server 64bit
  • Ubuntu 20.04 server 64bit
  • Ubuntu 18.04 server 64bit

Windows
  • Windows Server 2025 Standard 64bit
  • 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