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r5a.12xlarge

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.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 384.0 GiB RAM • EBS only • 10 Gigabit Network
Price (Linux)
$1.7160/ hr
~$1,252.68/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384.0GiB
8.0 GiB / vCPU
Value
$0.0357/ vCPU-hr
$0.0045/GiB-hr
Network
10Gbps
Baseline: 10 Gbps
Storage & EBS
847.5MB/s
Max: 30,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorAMD EPYC 7571
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores24
Clock Speed2.5 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score635,005
CoreMark / vCPU13,229.3 / core
FFmpeg Transcoding107 FPS
CoreMark per Dollar370,050 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 Performance10 Gigabit
Baseline Bandwidth10 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 Throughput847.5 MB/s
EBS Max Throughput847.5 MB/s
EBS Baseline IOPS30,000
EBS Max / Burst IOPS30,000
Dedicated EBS Throughput5000 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)
Date Introduced2018-11-06

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$1.7160/ hr
Asia Pacific (Mumbai) (ap-south-1)
Highest Price Region
$4.3440/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$3.0953/ 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$1.7160
Asia Pacific (Seoul)
ap-northeast-2$3.2640
Asia Pacific (Singapore)
ap-southeast-1$3.2640
Asia Pacific (Sydney)
ap-southeast-2$3.2640
Asia Pacific (Tokyo)
ap-northeast-1$3.2880
AWS GovCloud (US-East)
us-gov-east-1$3.2640
AWS GovCloud (US-West)
us-gov-west-1$3.2640
Canada (Central)
ca-central-1$2.9760
EU (Frankfurt)
eu-central-1$3.2880
EU (Ireland)
eu-west-1$3.0480
EU (London)
eu-west-2$3.1920
EU (Milan)
eu-south-1$3.1920
EU (Paris)
eu-west-3$3.1920
South America (Sao Paulo)Highest
sa-east-1$4.3440
US East (N. Virginia)
us-east-1$2.7120
US East (Ohio)
us-east-2$2.7120
US West (N. California)
us-west-1$3.0240
US West (Oregon)
us-west-2$2.7120