r6a.16xlarge

r6a.16xlarge is an AWS EC2 instance with 64 vCPUs, 512 GiB memory (AMD EPYC 7R13 Processor). In US East (N. Virginia) it costs $3.629 per hour on demand ($2,649.02 per month) for Linux; a 1-year reserved instance with no upfront costs $2.401 per hour, 34% less. Spot capacity is about $0.7207 per hour. It is sold in 13 regions; the cheapest is Asia Pacific (Mumbai) at $2.288 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$2.288$1.094$1.504$1.038$1.654$1.188
Asia Pacific (Hyderabad) ap-south-2$2.288$0.2288$1.506$1.038$1.651$1.188
US East (N. Virginia) us-east-1$3.629$0.7207$2.401$1.646$2.629$1.893
US East (Ohio) us-east-2$3.629$1.147$2.401$1.646$2.629$1.893
US West (Oregon) us-west-2$3.629$1.271$2.401$1.646$2.629$1.893
Canada (Central) ca-central-1$3.974$1.619$2.635$1.796$2.873$2.064
US West (N. California) us-west-1$4.032$1.015$2.667$1.829$2.921$2.103
EU (Ireland) eu-west-1$4.061$1.635$2.686$1.842$2.942$2.118
EU (London) eu-west-2$4.262$0.5456$2.826$1.927$3.084$2.224
Asia Pacific (Sydney) ap-southeast-2$4.349$1.907$2.874$1.976$3.145$2.256
Asia Pacific (Tokyo) ap-northeast-1$4.378$1.591$2.896$1.986$3.172$2.284
Asia Pacific (Singapore) ap-southeast-1$4.378$1.822$2.896$1.986$3.172$2.284
EU (Frankfurt) eu-central-1$4.378$1.839$2.896$1.986$3.172$2.284
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$3.629$2.401$1.646
Ubuntu Pro$3.741––
SUSE$3.754$2.46$1.70
RHEL$4.32$3.092$2.337
Linux SQL Web$4.71$3.482$2.728
RHEL HA$5.216$3.988$3.233
RHEL SQL Web$5.402––
Windows$6.573$5.345$4.59
Windows SQL Web$7.654$6.426$5.672
Linux SQL Std$11.309$10.081$9.326
RHEL SQL Std$12.00––
RHEL HA SQL Std$12.896––
Windows SQL Std$14.253$13.024$12.27
Linux SQL Ent$27.629$26.401$25.646
RHEL SQL Ent$28.32––
RHEL HA SQL Ent$29.216––
Windows SQL Ent$30.573$29.345$28.59

Specs

ComputeValue
vCPUs64
Physical cores32
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)512
NetworkingValue
Network25 Gbps
Network baseline25 Gbps
Network peak25 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces15
IPv4 addresses per interface50
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput13333 Mbps
EBS baseline bandwidth20,000 Mbps
EBS max bandwidth20,000 Mbps
EBS baseline throughput2,500 MB/s
EBS max throughput2,500 MB/s
EBS baseline IOPS80,000
EBS max IOPS80,000
Max EBS volumes27
Instance detailsValue
Instance typer6a.16xlarge
Familyr6a
CategoryMemory optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r6a.16xlarge

Other processors

vs r6g.16xlargevs r6i.16xlarge

Compute and memory optimized

vs c6a.16xlargevs m6a.16xlarge

Other generations

vs r5a.16xlargevs r7a.16xlarge

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.