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r5ad.12xlarge

Part of the R5AD 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.dDirect-Attached NVMe SSDd = Direct-Attached NVMe SSDEquipped with physical high-speed NVMe SSD instance store volumes attached locally to the host server for temporary scratch and caching.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 384 GB RAM • 1800 GB NVMe SSD • 10 Gbps Network
Price (Linux)
$1.9930/ hr
~$1,454.89/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384GB
8.0 GB / vCPU
Value
$0.0415/ vCPU-hr
$0.0052/GB-hr
Network
10 Gbps
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 Score617,178
CoreMark / vCPU12,857.9 / core
FFmpeg Transcoding111 FPS
CoreMark per Dollar309,673 score / $
Cost per vCPU-hr$0.0415
Cost per GB-hr$0.0052

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 Gbps
Baseline Bandwidth10 Gbps
Burst / Peak Bandwidth10 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationNVMe SSD (1800 GB)
Local NVMe Disk1,800 GB NVMe SSD
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 Introduced2019-03-27

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$1.9930/ hr
Asia Pacific (Mumbai) (ap-south-1)
Highest Price Region
$4.9920/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$3.5701/ hr
Across all active regions
Regional Coverage
16regions
Available worldwide
Linux — Available in all 16 regions
RegionOn-Demand Price
ap-south-1
Asia Pacific (Mumbai)
Lowest
$1.9930
ap-northeast-2
Asia Pacific (Seoul)
$3.7920
ap-southeast-1
Asia Pacific (Singapore)
$3.8160
ap-southeast-2
Asia Pacific (Sydney)
$3.8160
ap-northeast-1
Asia Pacific (Tokyo)
$3.8160
us-gov-west-1
AWS GovCloud (US-West)
$3.7920
ca-central-1
Canada (Central)
$3.4560
eu-central-1
EU (Frankfurt)
$3.7920
eu-west-1
EU (Ireland)
$3.5040
eu-west-2
EU (London)
$3.6960
eu-west-3
EU (Paris)
$3.6720
sa-east-1
South America (Sao Paulo)
Highest
$4.9920
us-east-1
US East (N. Virginia)
$3.1440
us-east-2
US East (Ohio)
$3.1440
us-west-1
US West (N. California)
$3.5520
us-west-2
US West (Oregon)
$3.1440