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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.large216.0 GiBx86_64$0.0720
r5a.xlarge432.0 GiBx86_64$0.1430
r5a.2xlarge864.0 GiBx86_64$0.2860
r5a.4xlarge16128.0 GiBx86_64$0.5720
r5a.8xlarge32256.0 GiBx86_64$1.1440
r5a.12xlarge48384.0 GiBx86_64$1.7160
r5a.16xlarge64512.0 GiBx86_64$2.2880
r5a.24xlarge96768.0 GiBx86_64$3.4320