R5A Memory Optimized

High memory-to-vCPU ratio for memory-intensive applications.

Name:rMemory Optimizedr = Memory OptimizedHigh memory-to-vCPU ratio designed for memory-intensive applications such as databases, distributed caches, and in-memory analytics.55th Generation5 = 5th GenerationAWS 5th generation hardware platform with updated CPU/system architecture.aAMD EPYCa = AMD EPYCAMD EPYC 7571 (x86_64). Powered by AMD EPYC x86_64 processors, delivering high core counts and cost-effective compute performance.

Common use cases

  • In-memory databases
  • Real-time big data analytics
  • High-performance caching

Instance types (8)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r5a.large216 GBx86_64$0.0720
r5a.xlarge432 GBx86_64$0.1430
r5a.2xlarge864 GBx86_64$0.2860
r5a.4xlarge16128 GBx86_64$0.5720
r5a.8xlarge32256 GBx86_64$1.1440
r5a.12xlarge48384 GBx86_64$1.7160
r5a.16xlarge64512 GBx86_64$2.2880
r5a.24xlarge96768 GBx86_64$3.4320