r5a.16xlarge

r5a.16xlarge is an AWS EC2 instance with 64 vCPUs, 512 GiB memory (AMD EPYC 7571). In US East (N. Virginia) it costs $3.616 per hour on demand ($2,639.68 per month) for Linux; a 1-year reserved instance with no upfront costs $2.278 per hour, 37% less. Spot capacity is about $1.092 per hour. It is sold in 18 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$1.236$1.434$0.988$1.65$1.188
US East (N. Virginia) us-east-1$3.616$1.092$2.278$1.562$2.627$1.886
US East (Ohio) us-east-2$3.616$1.082$2.278$1.562$2.627$1.886
US West (Oregon) us-west-2$3.616$1.207$2.278$1.562$2.627$1.886
Canada (Central) ca-central-1$3.968$0.9153$2.50$1.714$2.884$2.256
US West (N. California) us-west-1$4.032$1.007$2.54$1.742$2.934$2.112
EU (Ireland) eu-west-1$4.064$1.757$2.56$1.756$2.953$2.116
EU (Milan) eu-south-1$4.256$0.8417$2.681$1.839$3.079$2.211
EU (London) eu-west-2$4.256$0.7334$2.681$1.839$3.094$2.417
EU (Paris) eu-west-3$4.256$0.4695$2.681$1.839$3.094$2.242
Asia Pacific (Seoul) ap-northeast-2$4.352$1.149$2.742$1.88$3.157$2.477
Asia Pacific (Singapore) ap-southeast-1$4.352$1.922$2.742$1.88$3.158$2.275
Asia Pacific (Sydney) ap-southeast-2$4.352$1.248$2.742$1.88$3.167$2.289
AWS GovCloud (US-East) us-gov-east-1$4.352–$2.742$1.88$3.153$2.27
AWS GovCloud (US-West) us-gov-west-1$4.352–$2.742$1.88$3.161$2.288
Asia Pacific (Tokyo) ap-northeast-1$4.384$0.9067$2.757$1.894$3.172$2.49
EU (Frankfurt) eu-central-1$4.384$1.512$2.757$1.894$3.172$2.292
South America (Sao Paulo) sa-east-1$5.792$0.8115$3.649$2.502$4.202$3.30
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$3.616$2.278$1.562
Ubuntu Pro$3.728––
SUSE$3.741$2.338$1.616
RHEL$4.307$2.969$2.253
Linux SQL Web$4.698$3.36$2.644
RHEL HA$5.203$3.865$3.149
RHEL SQL Web$5.389––
Windows$6.56$5.222$4.506
Windows SQL Web$7.642$6.304$5.588
Linux SQL Std$11.296$9.958$9.242
RHEL SQL Std$11.987––
RHEL HA SQL Std$12.883––
Windows SQL Std$14.24$12.902$12.186
Linux SQL Ent$27.616$26.278$25.562
RHEL SQL Ent$28.307––
RHEL HA SQL Ent$29.203––
Windows SQL Ent$30.56$29.222$28.506

Specs

ComputeValue
vCPUs64
Physical cores32
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)512
NetworkingValue
Network12 Gbps
Network baseline12 Gbps
Network peak12 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces15
IPv4 addresses per interface50
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput7000 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 typer5a.16xlarge
Familyr5a
CategoryMemory optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5a.16xlarge

Compute and memory optimized

vs c5a.16xlargevs m5a.16xlarge

Other processors

vs r5.16xlarge

With or without local disk and networking

vs r5ad.16xlarge

Other generations

vs r6a.16xlarge

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.