r6a.12xlarge

r6a.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (AMD EPYC 7R13 Processor). In US East (N. Virginia) it costs $2.722 per hour on demand ($1,986.77 per month) for Linux; a 1-year reserved instance with no upfront costs $1.80 per hour, 34% less. Spot capacity is about $0.6465 per hour. It is sold in 13 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$0.7465$1.128$0.7784$1.24$0.8911
Asia Pacific (Hyderabad) ap-south-2$1.716$0.1716$1.129$0.7784$1.238$0.8909
US East (N. Virginia) us-east-1$2.722$0.6465$1.80$1.234$1.972$1.42
US East (Ohio) us-east-2$2.722$0.8041$1.80$1.234$1.972$1.42
US West (Oregon) us-west-2$2.722$1.134$1.80$1.234$1.972$1.42
Canada (Central) ca-central-1$2.981$1.232$1.977$1.347$2.155$1.548
US West (N. California) us-west-1$3.024$0.825$2.00$1.372$2.191$1.577
EU (Ireland) eu-west-1$3.046$1.119$2.015$1.381$2.207$1.589
EU (London) eu-west-2$3.197$0.6916$2.119$1.445$2.313$1.668
Asia Pacific (Sydney) ap-southeast-2$3.262$1.377$2.155$1.482$2.359$1.692
Asia Pacific (Tokyo) ap-northeast-1$3.283$1.295$2.172$1.489$2.379$1.713
Asia Pacific (Singapore) ap-southeast-1$3.283$1.355$2.172$1.489$2.379$1.713
EU (Frankfurt) eu-central-1$3.283$1.662$2.172$1.489$2.379$1.713
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$2.722$1.80$1.234
Ubuntu Pro$2.806––
SUSE$2.847$1.86$1.288
RHEL$3.24$2.319$1.753
Linux SQL Web$3.533$2.611$2.046
RHEL HA$3.912$2.991$2.425
RHEL SQL Web$4.051––
Windows$4.93$4.008$3.442
Windows SQL Web$5.741$4.819$4.254
Linux SQL Std$8.482$7.56$6.995
RHEL SQL Std$9.00––
RHEL HA SQL Std$9.672––
Windows SQL Std$10.69$9.768$9.203
Linux SQL Ent$20.722$19.80$19.235
RHEL SQL Ent$21.24––
RHEL HA SQL Ent$21.912––
Windows SQL Ent$22.93$22.008$21.442

Specs

ComputeValue
vCPUs48
Physical cores24
Threads per core2
Architecturex86_64
ProcessorAMD EPYC 7R13 Processor
CPU makerAMD
Clock speed3.6 GHz
Sustained clock3.6 GHz
Processor featuresAMD Turbo; AVX; AVX2
BurstableNo
MemoryValue
Memory (GiB)384
NetworkingValue
Network18.75 Gbps
Network baseline18.75 Gbps
Network peak18.75 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput10000 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 volumes27
Instance detailsValue
Instance typer6a.12xlarge
Familyr6a
CategoryMemory optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r6a.12xlarge

Other processors

vs r6g.12xlargevs r6i.12xlarge

Compute and memory optimized

vs c6a.12xlargevs m6a.12xlarge

Other generations

vs r5a.12xlargevs r7a.12xlarge

Other r6a sizes

SizevCPUsMemory (GiB)On-demand /hr
r6a.large216$0.1134
r6a.xlarge432$0.2268
r6a.2xlarge864$0.4536
r6a.4xlarge16128$0.9072
r6a.8xlarge32256$1.814
r6a.12xlarge48384$2.722
r6a.16xlarge64512$3.629
r6a.24xlarge96768$5.443
r6a.32xlarge1281024$7.258
r6a.48xlarge1921536$10.886
r6a.metal1921536$10.886

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