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r5n.12xlarge

Part of the R5N 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.nEnhanced Networkingn = Enhanced NetworkingEnhanced networking capabilities delivering up to 100/200/400 Gbps network bandwidth and Elastic Fabric Adapter (EFA) support.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 384 GB RAM • EBS only • 50 Gbps Network
Price (Linux)
$3.5760/ hr
~$2,610.48/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384GB
8.0 GB / vCPU
Value
$0.0745/ vCPU-hr
$0.0093/GB-hr
Network
50 Gbps
Baseline: 50 Gbps
Storage & EBS
1,187.5MB/s
Max: 40,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorIntel Xeon Platinum 8259 (Cascade Lake)
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores24
Clock Speed2.5 GHz
Intel AVX / AVX2AVX & AVX2 Supported
Intel Turbo BoostYes
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score719,173
CoreMark / vCPU14,982.8 / core
FFmpeg Transcoding158 FPS
CoreMark per Dollar201,111 score / $
Cost per vCPU-hr$0.0745
Cost per GB-hr$0.0093

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 Performance50 Gbps
Baseline Bandwidth50 Gbps
Burst / Peak Bandwidth50 Gbps
Enhanced NetworkingNo
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 Throughput6000 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)
Date Introduced2019-10-09

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$3.5760/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$5.6640/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$4.1985/ hr
Across all active regions
Regional Coverage
21regions
Available worldwide
Linux — Available in all 21 regions
RegionOn-Demand Price
af-south-1
Africa (Cape Town)
$4.7680
ap-east-1
Asia Pacific (Hong Kong)
$4.8480
ap-south-1
Asia Pacific (Mumbai)
$3.6720
ap-northeast-2
Asia Pacific (Seoul)
$4.2720
ap-southeast-1
Asia Pacific (Singapore)
$4.2720
ap-southeast-2
Asia Pacific (Sydney)
$4.3440
ap-northeast-1
Asia Pacific (Tokyo)
$4.3440
us-gov-east-1
AWS GovCloud (US-East)
$4.2960
us-gov-west-1
AWS GovCloud (US-West)
$4.2960
ca-central-1
Canada (Central)
$3.9120
eu-central-1
EU (Frankfurt)
$4.2720
eu-west-1
EU (Ireland)
$4.0080
eu-west-2
EU (London)
$4.2000
eu-south-1
EU (Milan)
$4.2000
eu-west-3
EU (Paris)
$4.2000
eu-north-1
EU (Stockholm)
$3.8160
sa-east-1
South America (Sao Paulo)
Highest
$5.6640
us-east-1
US East (N. Virginia)
Lowest
$3.5760
us-east-2
US East (Ohio)
Lowest
$3.5760
us-west-1
US West (N. California)
$4.0560
us-west-2
US West (Oregon)
Lowest
$3.5760