R5B 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.bBlock Storage Optimized (EBS)b = Block Storage Optimized (EBS)Optimized for Amazon EBS with higher dedicated storage throughput and IOPS (up to 60 Gbps / 260,000 IOPS).

Common use cases

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

Instance types (8)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r5b.large216 GBx86_64$0.1490
r5b.xlarge432 GBx86_64$0.2980
r5b.2xlarge864 GBx86_64$0.5960
r5b.4xlarge16128 GBx86_64$1.1920
r5b.8xlarge32256 GBx86_64$2.3840
r5b.12xlarge48384 GBx86_64$3.5760
r5b.16xlarge64512 GBx86_64$4.7680
r5b.24xlarge96768 GBx86_64$7.1520