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r5dn.12xlarge

Part of the R5DN 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.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.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 • 384.0 GiB RAM • 1800 GB NVMe SSD • 50 Gigabit Network
Price (Linux)
$4.0080/ hr
~$2,925.84/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384.0GiB
8.0 GiB / vCPU
Value
$0.0835/ vCPU-hr
$0.0104/GiB-hr
Network
50Gbps
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 Speed3.1 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark ScoreNot benchmarked
CoreMark / vCPU—
FFmpeg Transcoding—
CoreMark per Dollar—
Cost per vCPU-hr$0.0835
Cost per GiB-hr$0.0104

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 Gigabit
Baseline Bandwidth50 Gbps
Burst / Peak Bandwidth50 Gbps
Enhanced NetworkingNo
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationNVMe SSD (1800 GB)
Local NVMe Disk1800 GB
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
$4.0080/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$5.3040/ hr
Africa (Cape Town) (af-south-1)
Global Fleet Average
$4.6144/ hr
Across all active regions
Regional Coverage
15regions
Available worldwide
Linux — Available in all 15 regions
Region NameRegion CodeOn-Demand Price
Africa (Cape Town)Highest
af-south-1$5.3040
Asia Pacific (Seoul)
ap-northeast-2$4.7760
Asia Pacific (Singapore)
ap-southeast-1$4.8000
Asia Pacific (Sydney)
ap-southeast-2$4.8960
Asia Pacific (Tokyo)
ap-northeast-1$4.8720
AWS GovCloud (US-East)
us-gov-east-1$4.8240
AWS GovCloud (US-West)
us-gov-west-1$4.8240
EU (Frankfurt)
eu-central-1$4.7760
EU (Ireland)
eu-west-1$4.4640
EU (Milan)
eu-south-1$4.7040
EU (Paris)
eu-west-3$4.7040
EU (Stockholm)
eu-north-1$4.2480
US East (N. Virginia)Lowest
us-east-1$4.0080
US East (Ohio)Lowest
us-east-2$4.0080
US West (Oregon)Lowest
us-west-2$4.0080