r5ad.16xlarge

r5ad.16xlarge is an AWS EC2 instance with 64 vCPUs, 512 GiB memory (AMD EPYC 7571). In US East (N. Virginia) it costs $4.192 per hour on demand ($3,060.16 per month) for Linux; a 1-year reserved instance with no upfront costs $2.641 per hour, 37% less. Spot capacity is about $0.8968 per hour. It is sold in 16 regions; the cheapest is Asia Pacific (Mumbai) at $2.658 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$2.658$0.9528$1.674$1.148$1.925$1.369
US East (N. Virginia) us-east-1$4.192$0.8968$2.641$1.811$3.05$2.16
US East (Ohio) us-east-2$4.192$1.305$2.641$1.811$3.05$2.16
US West (Oregon) us-west-2$4.192$1.328$2.641$1.811$3.05$2.16
Canada (Central) ca-central-1$4.608$1.656$2.903$1.991$3.354$2.554
EU (Ireland) eu-west-1$4.672$1.949$2.943$2.018$3.444$2.462
US West (N. California) us-west-1$4.736$0.8242$2.984$2.046$3.481$2.478
EU (Paris) eu-west-3$4.896$0.4896$3.084$2.115$3.605$2.604
EU (London) eu-west-2$4.928$1.992$3.105$2.129$3.604$2.777
Asia Pacific (Seoul) ap-northeast-2$5.056$1.378$3.176$2.184$3.653$2.842
EU (Frankfurt) eu-central-1$5.056$1.687$3.185$2.184$3.697$2.664
AWS GovCloud (US-West) us-gov-west-1$5.056–$3.185$2.184$3.706$2.637
Asia Pacific (Tokyo) ap-northeast-1$5.088$0.9328$3.205$2.198$3.736$2.903
Asia Pacific (Singapore) ap-southeast-1$5.088$1.952$3.189$2.198$3.67$2.621
Asia Pacific (Sydney) ap-southeast-2$5.088$1.878$3.205$2.198$3.705$2.664
South America (Sao Paulo) sa-east-1$6.656$0.6656$4.193$2.875$4.864$3.759
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$4.192$2.641$1.811
Ubuntu Pro$4.304––
SUSE$4.317$2.701$1.865
RHEL$4.883$3.332$2.502
Linux SQL Web$5.274$3.723$2.893
RHEL HA$5.779$4.228$3.398
RHEL SQL Web$5.965––
Windows$7.136$5.585$4.755
Windows SQL Web$8.218$6.667$5.837
Linux SQL Std$11.872$10.321$9.491
RHEL SQL Std$12.563––
RHEL HA SQL Std$13.459––
Windows SQL Std$14.816$13.265$12.435
Linux SQL Ent$28.192$26.641$25.811
RHEL SQL Ent$28.883––
RHEL HA SQL Ent$29.779––
Windows SQL Ent$31.136$29.585$28.755

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
Storage4 x 600 NVMe SSD
Local disks4 × 600 GB SSD
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 volumes23
Instance detailsValue
Instance typer5ad.16xlarge
Familyr5ad
CategoryMemory optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5ad.16xlarge

Compute and memory optimized

vs c5ad.16xlargevs m5ad.16xlarge

Other processors

vs r5d.16xlarge

With or without local disk and networking

vs r5a.16xlarge

Other r5ad sizes

SizevCPUsMemory (GiB)On-demand /hr
r5ad.large216$0.131
r5ad.xlarge432$0.262
r5ad.2xlarge864$0.524
r5ad.4xlarge16128$1.048
r5ad.8xlarge32256$2.096
r5ad.12xlarge48384$3.144
r5ad.16xlarge64512$4.192
r5ad.24xlarge96768$6.288

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