R7A 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.77th Generation7 = 7th GenerationAWS 7th generation hardware platform with updated CPU/system architecture.aAMD EPYCa = AMD EPYCAMD EPYC 9R14 Processor (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

Head-to-Head Architecture Comparisons

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Silicon Triangler7i vs r7a vs r7g

AWS R7 Generation: R7i vs R7a vs R7g

8:1 memory-to-vCPU ratio for in-memory caches, Redis, and transactional databases

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Instance types (11)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r7a.medium18 GBx86_64$0.0761
r7a.large216 GBx86_64$0.1522
r7a.xlarge432 GBx86_64$0.3043
r7a.2xlarge864 GBx86_64$0.6086
r7a.4xlarge16128 GBx86_64$1.2172
r7a.8xlarge32256 GBx86_64$2.4344
r7a.12xlarge48384 GBx86_64$3.6516
r7a.16xlarge64512 GBx86_64$4.8688
r7a.24xlarge96768 GBx86_64$7.3032
r7a.32xlarge1281,024 GBx86_64$9.7376
r7a.48xlarge1921,536 GBx86_64$14.6064