This topic provides an overview of primary ApsaraDB RDS for PPAS instance types. This overview includes the most recent instance types, the earlier instance types, and the specifications for each instance type.

ApsaraDB RDS for PPAS instances

RDS edition PPAS version Instance family Instance type CPU and memory Maximum connections Maximum IOPS Storage capacity
High-availability Edition

10

General-purpose instance rds.ppas.t1.small 1 core, 1 GB 100 1,200 150 GB
Dedicated instance ppas.x4.small.2 1 core, 4 GB 200 5,000 250 GB
ppas.x4.medium.2 2 cores, 8 GB 400 10,000
ppas.x8.medium.2 2 cores, 16 GB 2,500 15,000
ppas.x4.large.2 4 cores, 16 GB 2,500 20,000 250 GB or 500 GB
ppas.x8.large.2 4 cores, 32 GB 5,000 30,000
ppas.x4.xlarge.2 8 cores, 32 GB 5,000 40,000 500 GB or 1,000 GB
ppas.x8.xlarge.2 8 cores, 64 GB 10,000 60,000
ppas.x4.2xlarge.2 16 cores, 64 GB 10,000 80,000 1,000 GB or 2,000 GB
ppas.x8.2xlarge.2 16 cores, 128 GB 12,000 120,000
ppas.x4.4xlarge.2 32 cores, 128 GB 12,000 160,000 2,000 GB or 3,000 GB
ppas.x8.4xlarge.2 32 cores, 256 GB 12,000 240,000
Dedicated host rds.ppas.st.h43 60 cores, 470 GB 12,000 450,000 3,000 GB, 4,000 GB, 5,000 GB, or 6,000 GB

Phased-out ApsaraDB RDS for PPAS instance types

The following table lists phased-out ApsaraDB RDS for PPAS instance types. These instance types are no longer available to new instances.

Instance type CPU cores Memory capacity Maximum connections Maximum IOPS
rds.ppas.s1.small 1 2 GB 200 1,000
rds.ppas.s2.large 2 4 GB 400 2,000
rds.ppas.s3.large 4 8 GB 800 5,000
rds.ppas.m1.medium 4 16 GB 1,500 8,000
rds.ppas.c1.xlarge 8 32 GB 2,000 12,000
rds.ppas.c2.xlarge 16 64 GB 2,000 14,000
rds.pg.c2.2xlarge 16 128 GB 3,000 16,000