r8a.12xlarge
Part of the R8A 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.88th Generation8 = 8th GenerationAWS 8th generation hardware platform with updated CPU/system architecture.aAMD EPYCa = AMD EPYCAMD EPYC 9R45 Processor (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 • 22500 Megabit NetworkPrice (Linux)
$3.8342/ hr
~$2,799.00/mo
Compute
48vCPUs
48 cores • x86_64
Memory
384.0GiB
8.0 GiB / vCPU
Value
$0.0799/ vCPU-hr
$0.0100/GiB-hr
Network
22.5Gbps
Baseline: 22.5 Gbps
Storage & EBS
1,875MB/s
Max: 60,000 IOPS
Technical Specifications & Limits
Hardware specs, container thresholds, and system limitsCompute & Processor
ProcessorAMD EPYC 9R45 Processor
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores48
Clock SpeedUp to 4.5 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)
Performance & Benchmarks
CoreMark Score2,242,324
CoreMark / vCPU46,715.1 / core
FFmpeg Transcoding402 FPS
CoreMark per Dollar584,816 score / $
Cost per vCPU-hr$0.0799
Cost per GiB-hr$0.0100
Containers & Kubernetes
EKS Max Pods758 pods
Max ECS Tasks120 tasks
Max ENIs12
IPv4/v6 per ENI64
Total Addressable IPs768 total IPs
CNI Prefix DelegationSupported (High Density)
Networking & Bandwidth
Network Performance22500 Megabit
Baseline Bandwidth22.5 Gbps
Burst / Peak Bandwidth22.5 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported
Storage & EBS Optimization
Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput1875 MB/s
EBS Max Throughput1875 MB/s
EBS Baseline IOPS60,000
EBS Max / Burst IOPS60,000
Dedicated EBS Throughput15000 Mbps
Platform & Architecture Details
Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)
Date Introduced2025-11-05
Regional Pricing Matrix
Live on-demand rates across all global AWS cloud regionsLowest Price Region
$3.8342/ hr
US East (N. Virginia) (us-east-1)Highest Price Region
$4.6253/ hr
Asia Pacific (Tokyo) (ap-northeast-1)Global Fleet Average
$4.1885/ hr
Across all active regionsRegional Coverage
9regions
Available worldwide| Region Name | Region Code | On-Demand Price |
|---|---|---|
Asia Pacific (Taipei) | ap-east-2 | $4.1628 |
Asia Pacific (Tokyo)Highest | ap-northeast-1 | $4.6253 |
Canada (Central) | ca-central-1 | $4.1993 |
EU (Frankfurt)Highest | eu-central-1 | $4.6253 |
EU (Ireland) | eu-west-1 | $4.2905 |
Europe (Spain) | eu-south-2 | $4.2905 |
US East (N. Virginia)Lowest | us-east-1 | $3.8342 |
US East (Ohio)Lowest | us-east-2 | $3.8342 |
US West (Oregon)Lowest | us-west-2 | $3.8342 |
| Region Name | Region Code | On-Demand Price |
|---|---|---|
Asia Pacific (Taipei) | ap-east-2 | $6.3708 |
Asia Pacific (Tokyo)Highest | ap-northeast-1 | $6.8333 |
Canada (Central) | ca-central-1 | $6.4073 |
EU (Frankfurt)Highest | eu-central-1 | $6.8333 |
EU (Ireland) | eu-west-1 | $6.4985 |
Europe (Spain) | eu-south-2 | $6.4985 |
US East (N. Virginia)Lowest | us-east-1 | $6.0422 |
US East (Ohio)Lowest | us-east-2 | $6.0422 |
US West (Oregon)Lowest | us-west-2 | $6.0422 |
No regions matched your search filter.