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ApsaraDB RDS:Instance types for read-only ApsaraDB RDS for SQL Server instances

Last Updated:Jul 07, 2023

This topic provides an overview of the instance types that are supported for read-only ApsaraDB RDS for SQL Server instances. This overview includes the most recent instance types and the specifications for each instance type.

Note
  • The subscription and pay-as-you-go billing methods are supported for read-only ApsaraDB RDS for SQL Server instances. For more information, see Read-only ApsaraDB RDS instance types. For more information about the prices, go to the buy page.

  • RDS instances that use cloud disks are deployed on Elastic Compute Service (ECS) instances. The performance of these RDS instances varies based on the instance types of the ECS instances. For more information, see Instance family.

Read-only RDS instances

Instance Type

Instance specification

Instance type

Number of CPU cores and memory capacity

Maximum number of connections

Maximum IOPS

Storage capacity

  • SQL Server 2022 EE on RDS Cluster Edition

  • SQL Server 2019 EE on RDS Cluster Edition

  • SQL Server 2017 EE on RDS Cluster Edition

General-purpose instance family

(not for SQL Server 2022)

rds.mssql.s2.large

2 cores, 4 GB

Unlimited

For more information, see the "IOPS" section in Primary instance types.

20 GB to 16,000 GB

rds.mssql.s3.large

4 cores, 8 GB

rds.mssql.c1.large

8 cores, 16 GB

rds.mssql.s2.xlarge

2 cores, 8 GB

rds.mssql.m1.medium

4 cores, 16 GB

rds.mssql.c1.xlarge

8 cores, 32 GB

rds.mssql.c2.xlarge

16 cores, 64 GB

Dedicated instance family

mssql.x4.medium.ro

2 cores, 8 GB

mssql.x4.large.ro

4 cores, 16 GB

mssql.x4.xlarge.ro

8 cores, 32 GB

mssql.x4.2xlarge.ro

16 cores, 64 GB

mssql.x4.4xlarge.ro

32 cores, 128 GB

mssql.x4.8xlarge.ro

64 cores, 256 GB

mssql.x8.medium.ro

2 cores, 16 GB

mssql.x8.large.ro

4 cores, 32 GB

mssql.x8.xlarge.ro

8 cores, 64 GB

mssql.x8.2xlarge.ro

16 cores, 128 GB

mssql.x8.4xlarge.ro

32 cores, 256 GB

mssql.x8.7xlarge.ro

56 cores, 480 GB

mssql.x8.8xlarge.ro

64 cores, 512 GB