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r5a.16xlarge

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.16xlarge16 Extra Large16xlarge = 16 Extra Large64 vCPUs • 512 GB RAM • EBS only • 12 Gbps Network
Price (Linux)
$2.2880/ hr
~$1,670.24/mo
Compute
64vCPUs
32 cores • x86_64
Memory
512GB
8.0 GB / vCPU
Value
$0.0357/ vCPU-hr
$0.0045/GB-hr
Network
12 Gbps
Baseline: 12 Gbps
Storage & EBS
1,187.5MB/s
Max: 40,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorAMD EPYC 7571
Architecturex86_64 (x86_64)
vCPUs / Threads64 vCPUs
Physical Cores32
Clock Speed2.5 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score825,593
CoreMark / vCPU12,899.9 / core
FFmpeg Transcoding107 FPS
CoreMark per Dollar360,836 score / $
Cost per vCPU-hr$0.0357
Cost per GB-hr$0.0045

Containers & Kubernetes

EKS Max Pods737 pods
Max ECS Tasks120 tasks
Max ENIs15
IPv4/v6 per ENI50
Total Addressable IPs750 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network Performance12 Gbps
Baseline Bandwidth12 Gbps
Burst / Peak Bandwidth12 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput1187.5 MB/s
EBS Max Throughput1187.5 MB/s
EBS Baseline IOPS40,000
EBS Max / Burst IOPS40,000
Dedicated EBS Throughput7000 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor128
Generation StatusCurrent Generation (Recommended)
Date Introduced2019-06-27

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$2.2880/ hr
Asia Pacific (Mumbai) (ap-south-1)
Highest Price Region
$5.7920/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$4.1271/ hr
Across all active regions
Regional Coverage
18regions
Available worldwide
Linux — Available in all 18 regions
RegionOn-Demand Price
ap-south-1
Asia Pacific (Mumbai)
Lowest
$2.2880
ap-northeast-2
Asia Pacific (Seoul)
$4.3520
ap-southeast-1
Asia Pacific (Singapore)
$4.3520
ap-southeast-2
Asia Pacific (Sydney)
$4.3520
ap-northeast-1
Asia Pacific (Tokyo)
$4.3840
us-gov-east-1
AWS GovCloud (US-East)
$4.3520
us-gov-west-1
AWS GovCloud (US-West)
$4.3520
ca-central-1
Canada (Central)
$3.9680
eu-central-1
EU (Frankfurt)
$4.3840
eu-west-1
EU (Ireland)
$4.0640
eu-west-2
EU (London)
$4.2560
eu-south-1
EU (Milan)
$4.2560
eu-west-3
EU (Paris)
$4.2560
sa-east-1
South America (Sao Paulo)
Highest
$5.7920
us-east-1
US East (N. Virginia)
$3.6160
us-east-2
US East (Ohio)
$3.6160
us-west-1
US West (N. California)
$4.0320
us-west-2
US West (Oregon)
$3.6160