R5AD 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.dDirect-Attached NVMe SSDd = Direct-Attached NVMe SSDEquipped with physical high-speed NVMe SSD instance store volumes attached locally to the host server for temporary scratch and caching.

Common use cases

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

Instance types (8)

With a 3-year Compute Savings Plan (No Upfront), r5ad sizes on Linux in US East (N. Virginia) (us-east-1) cost 48–49% less than the on-demand rate. Each size's page has the rates in every region. How Savings Plans are applied.

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r5ad.large216 GBx86_64$0.0830
r5ad.xlarge432 GBx86_64$0.1660
r5ad.2xlarge864 GBx86_64$0.3320
r5ad.4xlarge16128 GBx86_64$0.6640
r5ad.8xlarge32256 GBx86_64$1.3290
r5ad.12xlarge48384 GBx86_64$1.9930
r5ad.16xlarge64512 GBx86_64$2.6580
r5ad.24xlarge96768 GBx86_64$3.9860