r5a.4xlarge

r5a.4xlarge is an AWS EC2 instance with 16 vCPUs, 128 GiB memory (AMD EPYC 7571). In US East (N. Virginia) it costs $0.904 per hour on demand ($659.92 per month) for Linux; a 1-year reserved instance with no upfront costs $0.57 per hour, 37% less. Spot capacity is about $0.3225 per hour. It is sold in 18 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$0.2559$0.359$0.247$0.413$0.297
US East (N. Virginia) us-east-1$0.904$0.3225$0.57$0.391$0.657$0.472
US East (Ohio) us-east-2$0.904$0.3108$0.57$0.391$0.657$0.472
US West (Oregon) us-west-2$0.904$0.3548$0.57$0.391$0.657$0.472
Canada (Central) ca-central-1$0.992$0.384$0.625$0.429$0.721$0.564
US West (N. California) us-west-1$1.008$0.2796$0.635$0.435$0.733$0.528
EU (Ireland) eu-west-1$1.016$0.4307$0.64$0.439$0.738$0.529
EU (Milan) eu-south-1$1.064$0.2338$0.67$0.46$0.77$0.553
EU (London) eu-west-2$1.064$0.3744$0.67$0.46$0.774$0.604
EU (Paris) eu-west-3$1.064$0.3907$0.67$0.46$0.774$0.561
Asia Pacific (Seoul) ap-northeast-2$1.088$0.4037$0.685$0.47$0.789$0.619
Asia Pacific (Singapore) ap-southeast-1$1.088$0.5336$0.685$0.47$0.789$0.569
Asia Pacific (Sydney) ap-southeast-2$1.088$0.4996$0.685$0.47$0.792$0.572
AWS GovCloud (US-East) us-gov-east-1$1.088–$0.685$0.47$0.788$0.568
AWS GovCloud (US-West) us-gov-west-1$1.088–$0.685$0.47$0.79$0.572
Asia Pacific (Tokyo) ap-northeast-1$1.096$0.3898$0.689$0.473$0.793$0.623
EU (Frankfurt) eu-central-1$1.096$0.4376$0.689$0.473$0.793$0.573
South America (Sao Paulo) sa-east-1$1.448$0.2389$0.912$0.626$1.05$0.825
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$0.904$0.57$0.391
Ubuntu Pro$0.932––
SUSE$1.029$0.63$0.445
RHEL$1.077$0.742$0.563
Linux SQL Web$1.174$0.84$0.661
RHEL HA$1.301$0.966$0.787
RHEL SQL Web$1.347––
Windows$1.64$1.306$1.127
Windows SQL Web$1.91$1.576$1.397
Linux SQL Std$2.824$2.49$2.311
RHEL SQL Std$2.997––
RHEL HA SQL Std$3.221––
Windows SQL Std$3.56$3.226$3.047
Linux SQL Ent$6.904$6.57$6.391
RHEL SQL Ent$7.077––
RHEL HA SQL Ent$7.301––
Windows SQL Ent$7.64$7.306$7.127

Specs

ComputeValue
vCPUs16
Physical cores8
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)128
NetworkingValue
NetworkUp to 10 Gbps
Network baseline5 Gbps
Network peak10 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 2120 Mbps
EBS baseline bandwidth2,880 Mbps
EBS max bandwidth2,880 Mbps
EBS baseline throughput360 MB/s
EBS max throughput360 MB/s
EBS baseline IOPS16,000
EBS max IOPS16,000
Max EBS volumes27
Instance detailsValue
Instance typer5a.4xlarge
Familyr5a
CategoryMemory optimized
Current generationYes
Normalization factor32
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationYes
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5a.4xlarge

Compute and memory optimized

vs c5a.4xlargevs m5a.4xlarge

Other processors

vs r5.4xlarge

With or without local disk and networking

vs r5ad.4xlarge

Other generations

vs r6a.4xlarge

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.