This topic provides an overview of read-only ApsaraDB RDS for MySQL instance types. This overview includes the most recent instance types and the specifications for each instance type.

For more information about how to create a read-only ApsaraDB RDS for MySQL instance, see Create a read-only ApsaraDB RDS for MySQL instance.

Note The subscription and pay-as-you-go billing methods are supported for read-only ApsaraDB RDS for MySQL instances. For more information, see Pricing. For more information about the prices, go to the ApsaraDB RDS buy page.

Read-only ApsaraDB RDS for MySQL instances with local SSDs

Role MySQL version Instance family Instance type CPU and memory specifications Maximum number of connections Maximum IOPS Storage capacity
Read-only instance MySQL 8.0, MySQL 5.7, and MySQL 5.6 General-purpose instance family rds.mysql.t1.small 1 core, 1 GB 300 600 5 GB to 2,000 GB
rds.mysql.s1.small 1 core, 2 GB 600 1,000
rds.mysql.s2.large 2 cores, 4 GB 1,200 2,000
rds.mysql.s2.xlarge 2 cores, 8 GB 2,000 4,000
rds.mysql.s3.large 4 cores, 8 GB 2,000 5,000
rds.mysql.m1.medium 4 cores, 16 GB 4,000 7,000
rds.mysql.c1.large 8 cores, 16 GB 4,000 8,000
rds.mysql.c1.xlarge 8 cores, 32 GB 8,000 12,000
rds.mysql.c2.xlarge 16 cores, 64 GB 16,000 14,000 5 GB to 3,000 GB
rds.mysql.c2.xlp2 16 cores, 96 GB 24,000 16,000
Dedicated instance (with a large memory capacity) mysqlro.x8.medium.1 2 cores, 16 GB 2,500 4,500 50 GB to 2,000 GB
mysqlro.x8.large.1 4 cores, 32 GB 5,000 9,000 50 GB to 2,000 GB
mysqlro.x8.xlarge.1 8 cores, 64 GB 10,000 18,000 500 GB to 3,000 GB
mysqlro.x8.2xlarge.1 16 cores, 128 GB 20,000 36,000 500 GB to 3,000,GB
mysqlro.x8.4xlarge.1 32 cores, 256 GB 40,000 72,000 1,000 GB to 6,000 GB
mysqlro.x8.8xlarge.1 64 cores, 512 GB 80,000 144,000 1,000 GB to 6,000 GB
Dedicated instance family (with a large number of cores) mysqlro.x4.large.1 4 cores, 16 GB 2,500 4,500 50 GB to 2,000GB
mysqlro.x4.xlarge.1 8 cores, 32 GB 5,000 9,000 500 GB to 3,000 GB
mysqlro.x4.2xlarge.1 16 cores, 64 GB 10,000 18,000 500 GB to 3,000 GB
mysqlro.x4.4xlarge.1 32 cores, 128 GB 20,000 36,000 1,000 GB to 6,000 GB
Dedicated host instance family rds.mysql.st.h43 60 cores, 470 GB 100,000 120,000 3,000 GB or 6,000 GB
rds.mysql.st.v52 90 cores, 720 GB 150,000 140,000 1,000 GB to 6,000 GB

Read-only ApsaraDB RDS for MySQL instances with standard SSDs or enhanced SSDs (ESSDs)

Role MySQL version Instance family Instance type CPU and memory specifications Maximum number of connections Storage
Maximum IOPS Maximum I/O bandwidth (Mbit/s) Storage capacity
Read-only instance MySQL 8.0, MySQL 5.7, and MySQL 5.6 General-purpose instance family mysqlro.n2.small.1c 1 core, 2 GB 2,000 None None

Read-only ApsaraDB RDS for MySQL instances with standard SSDs: 20 GB to 6,000 GB

Dedicated instance family mysqlro.x2.medium.1c 2 cores, 4 GB 4,000 10,000 1,024
mysqlro.x2.large.1c 4 cores, 8 GB 6,000 20,000 1,536
mysqlro.x2.xlarge.1c 8 cores, 16 GB 8,000 25,000 2,048
mysqlro.x2.3large.1c 12 cores, 24 GB 12,000 30,000 2,560
mysqlro.x2.2xlarge.1c 16 cores, 32 GB 16,000 40,000 3,072
mysqlro.x2.3xlarge.1c 24 cores, 48 GB 24,000 50,000 4,096
mysqlro.x2.4xlarge.1c 32 cores, 64 GB 32,000 60,000 5,120
mysqlro.x2.13large.1c 52 cores, 96 GB 52,000 100,000 8,192
mysqlro.x2.13xlarge.1c 104 cores, 192 GB 104,000 200,000 16,384
mysqlro.x4.medium.1c 2 cores, 8 GB 6,000 10,000 1,024
mysqlro.x4.large.1c 4 cores, 16 GB 8,000 20,000 1,536
mysqlro.x4.xlarge.1c 8 cores, 32 GB 10,000 25,000 2,048
mysqlro.x4.3large.1c 12 cores, 48 GB 15,000 50,000 4,096
mysqlro.x4.2xlarge.1c 16 cores, 64 GB 20,000 40,000 3,072
mysqlro.x4.3xlarge.1c 24 cores, 96 GB 30,000 50,000 4,096
mysqlro.x4.4xlarge.1c 32 cores, 128 GB 40,000 60,000 5,120
mysqlro.x4.13large.1c 52 cores, 192 GB 65,000 100,000 8,192
mysqlro.x4.13xlarge.1c 104 cores, 384 GB 130,000 200,000 16,384
mysqlro.x8.medium.1c 2 cores, 16 GB 8,000 10,000 1,024
mysqlro.x8.large.1c 4 cores, 32 GB 12,000 20,000 1,536
mysqlro.x8.xlarge.1c 8 cores, 64 GB 16,000 25,000 2,048
mysqlro.x8.3large.1c 12 cores, 96 GB 24,000 30,000 2,560
mysqlro.x8.2xlarge.1c 16 cores, 128 GB 32,000 40,000 3,072
mysqlro.x8.3xlarge.1c 24 cores, 192 GB 48,000 50,000 4,096
mysqlro.x8.4xlarge.1c 32 cores, 256 GB 64,000 60,000 5,120
mysqlro.x8.13large.1c 52 cores, 384 GB 104,000 100,000 8,192
mysqlro.x8.8xlarge.1c 64 cores, 512 GB 128,000 None None
mysqlro.x8.13xlarge.1c 104 cores, 768 GB 208,000 200,000 16,384