云数据库 SQL Server 版实例支持高可用、基础版和集群版类型，主节点和备节点规格一致。云数据库 SQL Server 版实例有通用型和独享型两种分类，各节点规格如下表所示：
| 实例类型 | 规格类型 | 规格代码 | CPU 核数 | 内存 | 存储空间 |
|---|---|---|---|---|---|
高可用 | 通用型 | rds.mssql.se.ha.d2.2c4g | 2 核 | 4GiB | 20GiB ~ 4000GiB |
| rds.mssql.se.ha.d2.4c8g | 4 核 | 8GiB | |||
| rds.mssql.se.ha.d2.8c16g | 8 核 | 16GiB | |||
| rds.mssql.se.ha.d2.16c32g | 16 核 | 32GiB | |||
| rds.mssql.se.ha.d4.2c8g | 2 核 | 8GiB | |||
| rds.mssql.se.ha.d4.4c16g | 4 核 | 16GiB | |||
| rds.mssql.se.ha.d4.8c32g | 8 核 | 32GiB | |||
| rds.mssql.se.ha.d4.16c64g | 16 核 | 64GiB | |||
| 高可用 | 独享型 | rds.mssql.se.ha.x8.2c16g | 2 核 | 16GiB | |
| rds.mssql.se.ha.x8.4c32g | 4 核 | 32GiB | |||
| rds.mssql.se.ha.x8.8c64g | 8 核 | 64GiB | |||
| rds.mssql.se.ha.x8.16c128g | 16 核 | 128GiB | |||
| rds.mssql.se.ha.x8.24c192g | 24 核 | 192GiB | |||
| 基础版 | 通用型 | rds.mssql.se.std.d2.2c4g | 2 核 | 4GiB | |
| rds.mssql.se.std.d2.4c8g | 4 核 | 8GiB | |||
| rds.mssql.se.std.d2.8c16g | 8 核 | 16GiB | |||
| rds.mssql.se.std.d2.16c32g | 16 核 | 32GiB | |||
| rds.mssql.se.std.d4.2c8g | 2 核 | 8GiB | |||
| rds.mssql.se.std.d4.4c16g | 4 核 | 16GiB | |||
| rds.mssql.se.std.d4.8c32g | 8 核 | 32GiB | |||
| rds.mssql.se.std.d4.16c64g | 16 核 | 64GiB | |||
| rds.mssql.se.std.d4.24c96g | 24 核 | 96GiB | |||
独享型 | rds.mssql.se.std.x8.2c16g | 2 核 | 16GiB | ||
| rds.mssql.se.std.x8.4c32g | 4 核 | 32GiB | |||
| rds.mssql.se.std.x8.8c64g | 8 核 | 64GiB | |||
| rds.mssql.se.std.x8.16c128g | 16 核 | 128GiB |
| 实例类型 | 规格类型 | 规格代码 | CPU 核数 | 内存 | 存储空间 |
|---|---|---|---|---|---|
集群版 | 独享型 | rds.mssql.ee.ha.x8.2c16g | 2 核 | 16GiB | 20GiB ~ 4000GiB |
| rds.mssql.ee.ha.x8.4c32g | 4 核 | 32GiB | |||
| rds.mssql.ee.ha.x8.8c64g | 8 核 | 64GiB | |||
| rds.mssql.ee.ha.x8.16c128g | 16 核 | 128GiB | |||
| rds.mssql.ee.ha.x8.32c256g | 32 核 | 256GiB | |||
| rds.mssql.ee.ha.2x4.64c256g | 64 核 | 256GiB | |||
基础版 | 通用型 | rds.mssql.ee.std.d2.2c4g | 2 核 | 4GiB | |
| rds.mssql.ee.std.d2.4c8g | 4 核 | 8GiB | |||
| rds.mssql.ee.std.d2.8c16g | 8 核 | 16GiB | |||
| rds.mssql.ee.std.d2.16c32g | 16 核 | 32GiB | |||
| rds.mssql.ee.std.d4.2c8g | 2 核 | 8GiB | |||
| rds.mssql.ee.std.d4.4c16g | 4 核 | 16GiB | |||
| rds.mssql.ee.std.d4.8c32g | 8 核 | 32GiB | |||
| rds.mssql.ee.std.d4.16c64g | 16 核 | 64GiB |
| 实例类型 | 规格类型 | 规格代码 | CPU 核数 | 内存 | 存储空间 |
|---|---|---|---|---|---|
| 基础版 | 通用型 | rds.mssql.web.std.d2.2c4g | 2 核 | 4GiB | 20GiB ~ 4000GiB |
| rds.mssql.web.std.d2.4c8g | 4 核 | 8GiB | |||
| rds.mssql.web.std.d2.8c16g | 8 核 | 16GiB | |||
| rds.mssql.web.std.d2.16c32g | 16 核 | 32GiB | |||
| rds.mssql.web.std.d4.2c8g | 2 核 | 8GiB | |||
| rds.mssql.web.std.d4.4c16g | 4 核 | 16GiB | |||
| rds.mssql.web.std.d4.8c32g | 8 核 | 32GiB | |||
| rds.mssql.web.std.d4.16c64g | 16 核 | 64GiB |