r6a.4xlarge

r6a.4xlarge is an AWS EC2 instance with 16 vCPUs, 128 GiB memory (AMD EPYC 7R13 Processor). In US East (N. Virginia) it costs $0.9072 per hour on demand ($662.26 per month) for Linux; a 1-year reserved instance with no upfront costs $0.6001 per hour, 34% less. Spot capacity is about $0.2337 per hour. It is sold in 13 regions; the cheapest is Asia Pacific (Mumbai) at $0.572 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$0.572$0.2105$0.3759$0.2595$0.4135$0.297
Asia Pacific (Hyderabad) ap-south-2$0.572$0.0572$0.3765$0.2595$0.4126$0.297
US East (N. Virginia) us-east-1$0.9072$0.2337$0.6001$0.4115$0.6573$0.4732
US East (Ohio) us-east-2$0.9072$0.2547$0.6001$0.4115$0.6573$0.4732
US West (Oregon) us-west-2$0.9072$0.3441$0.6001$0.4115$0.6573$0.4732
Canada (Central) ca-central-1$0.9936$0.3636$0.6589$0.4491$0.7182$0.516
US West (N. California) us-west-1$1.008$0.3084$0.6668$0.4572$0.7303$0.5258
EU (Ireland) eu-west-1$1.015$0.4904$0.6716$0.4605$0.7355$0.5296
EU (London) eu-west-2$1.066$0.2841$0.7065$0.4817$0.7711$0.556
Asia Pacific (Sydney) ap-southeast-2$1.087$0.4788$0.7184$0.494$0.7862$0.564
Asia Pacific (Tokyo) ap-northeast-1$1.094$0.3763$0.724$0.4964$0.7929$0.5709
Asia Pacific (Singapore) ap-southeast-1$1.094$0.5263$0.724$0.4964$0.7929$0.5709
EU (Frankfurt) eu-central-1$1.094$0.411$0.724$0.4964$0.7929$0.5709
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$0.9072$0.6001$0.4115
Ubuntu Pro$0.9352––
SUSE$1.032$0.66$0.4655
RHEL$1.08$0.7729$0.5843
Linux SQL Web$1.178$0.8705$0.6819
RHEL HA$1.304$0.9969$0.8083
RHEL SQL Web$1.35––
Windows$1.643$1.336$1.147
Windows SQL Web$1.914$1.607$1.418
Linux SQL Std$2.827$2.52$2.332
RHEL SQL Std$3.00––
RHEL HA SQL Std$3.224––
Windows SQL Std$3.563$3.256$3.067
Linux SQL Ent$6.907$6.60$6.412
RHEL SQL Ent$7.08––
RHEL HA SQL Ent$7.304––
Windows SQL Ent$7.643$7.336$7.147

Specs

ComputeValue
vCPUs16
Physical cores8
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)128
NetworkingValue
NetworkUp to 12.5 Gbps
Network baseline6.25 Gbps
Network peak12.5 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 6667 Mbps
EBS baseline bandwidth5,000 Mbps
EBS max bandwidth10,000 Mbps
EBS baseline throughput625 MB/s
EBS max throughput1,250 MB/s
EBS baseline IOPS20,000
EBS max IOPS40,000
Max EBS volumes27
Instance detailsValue
Instance typer6a.4xlarge
Familyr6a
CategoryMemory optimized
Current generationYes
Normalization factor32
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationYes
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r6a.4xlarge

Other processors

vs r6g.4xlargevs r6i.4xlarge

Compute and memory optimized

vs c6a.4xlargevs m6a.4xlarge

Other generations

vs r5a.4xlargevs r7a.4xlarge

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.