Amazon ElastiCache
User Guide (API Version 2015-02-02)

Supported Node Types

The following node types are supported by ElastiCache. Generally speaking, the current generation types provide more memory and computational power at lower cost when compared to their equivalent previous generation counterparts.

  • General purpose:

    • Current generation:

      cache.t2.micro, cache.t2.small, cache.t2.medium, cache.m3.medium, cache.m3.large, cache.m3.xlarge, cache.m3.2xlarge, cache.m4.large, cache.m4.xlarge, cache.m4.2xlarge, cache.m4.4xlarge, cache.m4.10xlarge

    • Previous generation:

      cache.t1.micro, cache.m1.small, cache.m1.medium, cache.m1.large, cache.m1.xlarge

  • Compute optimized:


  • Memory optimized:

    • Current generation:

      cache.r3.large, cache.r3.xlarge, cache.r3.2xlarge, cache.r3.4xlarge, cache.r3.8xlarge

    • Previous generation:

      cache.m2.xlarge, cache.m2.2xlarge, cache.m2.4xlarge

Supported node types are available in all regions except as noted in the following table.


Region Name Region Exception

Asia Pacific (Seoul)


Supports only current generation node types.

EU (Frankfurt)


Supports only current generation node types.

AWS GovCloud (US)


Supports only current generation node types.

Does not support M4 node types.

US East (Ohio)


Supports only node types T2, M4, and R3.

Supports only the following engine versions:

  • Memcached: 1.4.24

  • Redis 2.8.21, 2.8.23, 2.8.24, and 3.2.4


  • All T2 instances are created in an Amazon VPC (Amazon VPC).

  • Redis backup and restore is not supported for T2 instances.

  • Redis append-only files (AOF) are not supported for T1 or T2 instances.

  • Redis Multi-AZ with automatic failover is not supported on T1 instances.

  • Redis Multi-AZ with automatic failover is supported on T2 instances only when running Redis (cluster mode enabled).

  • Redis configuration variables appendonly and appendfsync are not supported on Redis version 2.8.22 and later.

For a complete list of node types and specifications, see the following: