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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.large216.0 GiBx86_64$0.1490
r5b.xlarge432.0 GiBx86_64$0.2980
r5b.2xlarge864.0 GiBx86_64$0.5960
r5b.4xlarge16128.0 GiBx86_64$1.1920
r5b.8xlarge32256.0 GiBx86_64$2.3840
r5b.12xlarge48384.0 GiBx86_64$3.5760
r5b.16xlarge64512.0 GiBx86_64$4.7680
r5b.24xlarge96768.0 GiBx86_64$7.1520