r5n.12xlarge

r5n.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (Intel Xeon Platinum 8259 (Cascade Lake)). In US East (N. Virginia) it costs $3.576 per hour on demand ($2,610.48 per month) for Linux; a 1-year reserved instance with no upfront costs $2.253 per hour, 37% less. Spot capacity is about $0.8719 per hour. It is sold in 21 regions.

Prices by region

USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demandSpot1-yr reserved3-yr reserved1-yr savings plan3-yr savings plan
US East (N. Virginia) us-east-1$3.576$0.8719$2.253$1.448$2.591$1.668
US East (Ohio) us-east-2$3.576$1.072$2.253$1.448$2.591$1.668
US West (Oregon) us-west-2$3.576$1.747$2.253$1.448$2.591$1.668
Asia Pacific (Mumbai) ap-south-1$3.672$1.106$2.313$1.487$2.68$1.713
EU (Stockholm) eu-north-1$3.816$0.3816$2.394$1.62$2.81$1.801
Canada (Central) ca-central-1$3.912$1.506$2.469$1.516$2.86$1.827
EU (Ireland) eu-west-1$4.008$1.363$2.525$1.645$2.954$1.892
US West (N. California) us-west-1$4.056$0.9557$2.56$1.659$2.986$1.892
EU (Milan) eu-south-1$4.20$0.42$2.646$1.701$3.043$1.96
EU (London) eu-west-2$4.20$1.249$2.659$1.775$3.087$1.983
EU (Paris) eu-west-3$4.20$1.029$2.659$1.775$3.074$1.983
Asia Pacific (Seoul) ap-northeast-2$4.272$1.031$2.691$1.772$3.126$2.039
Asia Pacific (Singapore) ap-southeast-1$4.272$1.425$2.691$1.762$3.126$2.025
EU (Frankfurt) eu-central-1$4.272$1.377$2.691$1.762$3.126$2.025
AWS GovCloud (US-East) us-gov-east-1$4.296–$2.706$1.735$3.112$2.004
AWS GovCloud (US-West) us-gov-west-1$4.296–$2.706$1.735$3.112$2.004
Asia Pacific (Tokyo) ap-northeast-1$4.344$0.83$2.737$1.787$3.216$2.055
Asia Pacific (Sydney) ap-southeast-2$4.344$1.337$2.737$1.759$3.165$2.027
Africa (Cape Town) af-south-1$4.768$0.9996$3.004$1.931$3.454$2.225
Asia Pacific (Hong Kong) ap-east-1$4.848$0.547$3.049$1.957$3.553$2.281
South America (Sao Paulo) sa-east-1$5.664$0.5664$3.568$2.333$4.183$2.657

Prices by operating system in US East (N. Virginia)

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$3.576$2.253$1.448
Ubuntu Pro$3.66––
SUSE$3.701$2.313$1.502
RHEL$4.094$2.771$1.967
Linux SQL Web$4.387$3.064$2.259
RHEL HA$4.766$3.443$2.639
RHEL SQL Web$4.906––
Windows$5.784$4.461$3.656
Windows SQL Web$6.595$5.272$4.467
Linux SQL Std$9.336$8.013$7.208
RHEL SQL Std$9.854––
RHEL HA SQL Std$10.526––
Windows SQL Std$11.544$10.221$9.416
Linux SQL Ent$21.576$20.253$19.448
RHEL SQL Ent$22.094––
RHEL HA SQL Ent$22.766––
Windows SQL Ent$23.784$22.461$21.656

Specs

ComputeValue
vCPUs48
Physical cores24
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)
CPU makerIntel
Clock speed2.5 GHz
Sustained clock3.1 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNo
MemoryValue
Memory (GiB)384
NetworkingValue
Network50 Gbps
Network baseline50 Gbps
Network peak50 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput6000 Mbps
EBS baseline bandwidth9,500 Mbps
EBS max bandwidth9,500 Mbps
EBS baseline throughput1,187.5 MB/s
EBS max throughput1,187.5 MB/s
EBS baseline IOPS40,000
EBS max IOPS40,000
Max EBS volumes27
Instance detailsValue
Instance typer5n.12xlarge
Familyr5n
CategoryMemory optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5n.12xlarge

With or without local disk and networking

Compute and memory optimized

Other generations

Other r5n sizes

SizevCPUsMemory (GiB)On-demand /hr
r5n.large216$0.149
r5n.xlarge432$0.298
r5n.2xlarge864$0.596
r5n.4xlarge16128$1.192
r5n.8xlarge32256$2.384
r5n.12xlarge48384$3.576
r5n.16xlarge64512$4.768
r5n.24xlarge96768$7.152
r5n.metal96768$7.152

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.