r5a.12xlarge

r5a.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (AMD EPYC 7571). In US East (N. Virginia) it costs $2.712 per hour on demand ($1,979.76 per month) for Linux; a 1-year reserved instance with no upfront costs $1.709 per hour, 37% less. Spot capacity is about $0.8553 per hour. It is sold in 18 regions; the cheapest is Asia Pacific (Mumbai) at $1.716 per hour.

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
Asia Pacific (Mumbai) ap-south-1$1.716$0.831$1.076$0.741$1.238$0.891
US East (N. Virginia) us-east-1$2.712$0.8553$1.709$1.172$1.971$1.415
US East (Ohio) us-east-2$2.712$0.5966$1.709$1.172$1.971$1.415
US West (Oregon) us-west-2$2.712$0.8527$1.709$1.172$1.971$1.415
Canada (Central) ca-central-1$2.976$0.849$1.875$1.286$2.163$1.692
US West (N. California) us-west-1$3.024$0.8068$1.905$1.306$2.20$1.584
EU (Ireland) eu-west-1$3.048$1.20$1.92$1.317$2.215$1.587
EU (Milan) eu-south-1$3.192$0.5503$2.011$1.379$2.309$1.658
EU (London) eu-west-2$3.192$0.413$2.011$1.379$2.321$1.813
EU (Paris) eu-west-3$3.192$0.3192$2.011$1.379$2.321$1.682
Asia Pacific (Seoul) ap-northeast-2$3.264$0.3509$2.056$1.41$2.368$1.858
Asia Pacific (Singapore) ap-southeast-1$3.264$1.368$2.056$1.41$2.368$1.706
Asia Pacific (Sydney) ap-southeast-2$3.264$1.276$2.056$1.41$2.375$1.717
AWS GovCloud (US-East) us-gov-east-1$3.264–$2.056$1.41$2.365$1.703
AWS GovCloud (US-West) us-gov-west-1$3.264–$2.056$1.41$2.371$1.716
Asia Pacific (Tokyo) ap-northeast-1$3.288$0.8552$2.068$1.42$2.379$1.868
EU (Frankfurt) eu-central-1$3.288$1.03$2.068$1.42$2.379$1.719
South America (Sao Paulo) sa-east-1$4.344$0.4694$2.737$1.877$3.151$2.475
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$2.712$1.709$1.172
Ubuntu Pro$2.796––
SUSE$2.837$1.769$1.226
RHEL$3.23$2.227$1.69
Linux SQL Web$3.523$2.52$1.983
RHEL HA$3.902$2.899$2.362
RHEL SQL Web$4.042––
Windows$4.92$3.917$3.38
Windows SQL Web$5.731$4.728$4.191
Linux SQL Std$8.472$7.469$6.932
RHEL SQL Std$8.99––
RHEL HA SQL Std$9.662––
Windows SQL Std$10.68$9.677$9.14
Linux SQL Ent$20.712$19.709$19.172
RHEL SQL Ent$21.23––
RHEL HA SQL Ent$21.902––
Windows SQL Ent$22.92$21.917$21.38

Specs

ComputeValue
vCPUs48
Physical cores24
Threads per core2
Architecturex86_64
ProcessorAMD EPYC 7571
CPU makerAMD
Clock speed2.5 GHz
Sustained clock2.5 GHz
Processor featuresAVX; AVX2; AMD Turbo
BurstableNo
MemoryValue
Memory (GiB)384
NetworkingValue
Network10 Gbps
Network baseline10 Gbps
Network peak10 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput5000 Mbps
EBS baseline bandwidth6,780 Mbps
EBS max bandwidth6,780 Mbps
EBS baseline throughput847.5 MB/s
EBS max throughput847.5 MB/s
EBS baseline IOPS30,000
EBS max IOPS30,000
Max EBS volumes27
Instance detailsValue
Instance typer5a.12xlarge
Familyr5a
CategoryMemory optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5a.12xlarge

Compute and memory optimized

vs c5a.12xlargevs m5a.12xlarge

Other processors

vs r5.12xlarge

With or without local disk and networking

vs r5ad.12xlarge

Other generations

vs r6a.12xlarge

Other r5a sizes

SizevCPUsMemory (GiB)On-demand /hr
r5a.large216$0.113
r5a.xlarge432$0.226
r5a.2xlarge864$0.452
r5a.4xlarge16128$0.904
r5a.8xlarge32256$1.808
r5a.12xlarge48384$2.712
r5a.16xlarge64512$3.616
r5a.24xlarge96768$5.424

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