r8a.12xlarge

r8a.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (AMD EPYC 9R45 Processor). In US East (N. Virginia) it costs $3.834 per hour on demand ($2,798.97 per month) for Linux. Spot capacity is about $0.7372 per hour. It is sold in 9 regions.

Prices by region

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

RegionOn-demandSpot1-yr savings plan3-yr savings plan
US East (N. Virginia) us-east-1$3.834$0.7372$2.778$2.00
US East (Ohio) us-east-2$3.834$1.113$2.778$2.00
US West (Oregon) us-west-2$3.834$1.034$2.778$2.00
Asia Pacific (Taipei) ap-east-2$4.163–$3.016$2.171
Canada (Central) ca-central-1$4.199$1.361$3.035$2.181
Europe (Spain) eu-south-2$4.29$0.45$3.108$2.238
EU (Ireland) eu-west-1$4.29$1.873$3.108$2.238
Asia Pacific (Tokyo) ap-northeast-1$4.625$1.649$3.351$2.413
EU (Frankfurt) eu-central-1$4.625$1.698$3.351$2.413
Reserved and Savings PlansSpot prices by regionWindows prices by regionAzure equivalents

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

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$3.834––
Ubuntu Pro$3.918––
SUSE$3.959––
RHEL$4.353––
Linux SQL Web$4.645––
RHEL HA$5.025––
RHEL SQL Web$5.164––
Windows$6.042––
Windows SQL Web$6.853––
Linux SQL Std$9.594––
RHEL SQL Std$10.113––
RHEL HA SQL Std$10.785––
Windows SQL Std$11.802––
Linux SQL Ent$21.834––
RHEL SQL Ent$22.353––
RHEL HA SQL Ent$23.025––
Windows SQL Ent$24.042––

Specs

ComputeValue
vCPUs48
Physical cores48
Threads per core1
Architecturex86_64
ProcessorAMD EPYC 9R45 Processor
CPU makerAMD
Clock speedUp to 4.5 GHz
Sustained clock4.5 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512
BurstableNo
MemoryValue
Memory (GiB)384
NetworkingValue
Network22.5 Gbps
Network baseline22.5 Gbps
Network peak22.5 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces12
IPv4 addresses per interface64
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput15000 Mbps
EBS baseline bandwidth15,000 Mbps
EBS max bandwidth15,000 Mbps
EBS baseline throughput1,875 MB/s
EBS max throughput1,875 MB/s
EBS baseline IOPS60,000
EBS max IOPS60,000
Max EBS volumes32
Instance detailsValue
Instance typer8a.12xlarge
Familyr8a
CategoryMemory optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r8a.12xlarge

Other processors

vs r8g.12xlargevs r8i.12xlarge

Compute and memory optimized

vs c8a.12xlargevs m8a.12xlarge

Other generations

vs r7a.12xlarge

Other r8a sizes

SizevCPUsMemory (GiB)On-demand /hr
r8a.medium18$0.0799
r8a.large216$0.1598
r8a.xlarge432$0.3195
r8a.2xlarge864$0.639
r8a.4xlarge16128$1.278
r8a.8xlarge32256$2.556
r8a.12xlarge48384$3.834
r8a.16xlarge64512$5.112
r8a.24xlarge96768$7.668
r8a.metal-24xl96768$7.668
r8a.48xlarge1921536$15.337
r8a.metal-48xl1921536$15.337

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