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r5a.4xlarge

Part of the R5A Memory Optimized family — 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.4xlarge4 Extra Large4xlarge = 4 Extra Large16 vCPUs • 128.0 GiB RAM • EBS only • Up to 10 Gigabit Network
Price (Linux)
$0.5720/ hr
~$417.56/mo
Compute
16vCPUs
8 cores • x86_64
Memory
128.0GiB
8.0 GiB / vCPU
Value
$0.0357/ vCPU-hr
$0.0045/GiB-hr
Network
10Gbps
Baseline: 5 Gbps
Storage & EBS
360MB/s
Max: 16,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorAMD EPYC 7571
Architecturex86_64 (x86_64)
vCPUs / Threads16 vCPUs
Physical Cores8
Clock Speed2.5 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score209,919
CoreMark / vCPU13,119.9 / core
FFmpeg Transcoding67 FPS
CoreMark per Dollar366,991 score / $
Cost per vCPU-hr$0.0357
Cost per GiB-hr$0.0045

Containers & Kubernetes

EKS Max Pods234 pods
Max ECS Tasks60 tasks
Max ENIs8
IPv4/v6 per ENI30
Total Addressable IPs240 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network PerformanceUp to 10 Gigabit
Baseline Bandwidth5 Gbps
Burst / Peak Bandwidth10 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput360 MB/s
EBS Max Throughput360 MB/s
EBS Baseline IOPS16,000
EBS Max / Burst IOPS16,000
Dedicated EBS ThroughputUp to 2120 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor32
Generation StatusCurrent Generation (Recommended)
Date Introduced2018-11-06

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$0.5720/ hr
Asia Pacific (Mumbai) (ap-south-1)
Highest Price Region
$1.4480/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$1.0318/ hr
Across all active regions
Regional Coverage
18regions
Available worldwide
Linux — Available in all 18 regions
Region NameRegion CodeOn-Demand Price
Asia Pacific (Mumbai)Lowest
ap-south-1$0.5720
Asia Pacific (Seoul)
ap-northeast-2$1.0880
Asia Pacific (Singapore)
ap-southeast-1$1.0880
Asia Pacific (Sydney)
ap-southeast-2$1.0880
Asia Pacific (Tokyo)
ap-northeast-1$1.0960
AWS GovCloud (US-East)
us-gov-east-1$1.0880
AWS GovCloud (US-West)
us-gov-west-1$1.0880
Canada (Central)
ca-central-1$0.9920
EU (Frankfurt)
eu-central-1$1.0960
EU (Ireland)
eu-west-1$1.0160
EU (London)
eu-west-2$1.0640
EU (Milan)
eu-south-1$1.0640
EU (Paris)
eu-west-3$1.0640
South America (Sao Paulo)Highest
sa-east-1$1.4480
US East (N. Virginia)
us-east-1$0.9040
US East (Ohio)
us-east-2$0.9040
US West (N. California)
us-west-1$1.0080
US West (Oregon)
us-west-2$0.9040