This topic provides an overview of read-only ApsaraDB RDS for MySQL instance types. You can read this topic to understand the most recent instance types and the specifications for each instance type.

Instance types

Role MySQL version Instance family Instance type CPU and memory specifications Maximum number of connections Maximum IOPS Storage capacity
Read-only instance MySQL 5.6, MySQL 5.7, and MySQL 8.0 General-purpose instance family rds.mysql.t1.small 1 core, 1 GB 300 600 5 GB - 2000 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 - 3000 GB
rds.mysql.c2.xlp2 16 cores, 96 GB 24,000 16,000
Dedicated instance family (with a large memory size) mysqlro.x8.medium.1 2 cores, 16 GB 2,500 4,500 50 GB - 2000 GB
mysqlro.x8.large.1 4 cores, 32 GB 5,000 9,000 50 GB - 2000 GB
mysqlro.x8.xlarge.1 8 cores, 64 GB 10,000 18,000 500 GB - 3000 GB
mysqlro.x8.2xlarge.1 16 cores, 128 GB 20,000 36,000 500 GB - 3000 GB
mysqlro.x8.4xlarge.1 32 cores, 256 GB 40,000 72,000 1000 GB - 6000 GB
mysqlro.x8.8xlarge.1 64 cores, 512 GB 80,000 144,000 1000 GB - 6000 GB
Dedicated instance family (with a large number of cores) mysqlro.x4.large.1 4 cores, 16 GB 2,500 4,500 50 GB - 2000 GB
mysqlro.x4.xlarge.1 8 cores, 32 GB 5,000 9,000 500 GB - 3000 GB
mysqlro.x4.2xlarge.1 16 cores, 64 GB 10,000 18,000 500 GB - 3000 GB
mysqlro.x4.4xlarge.1 32 cores, 128 GB 20,000 36,000 1000 GB - 6000 GB