r5a.8xlarge

Amazon EC2 R5 instances are the next generation of memory optimized instances for the Amazon Elastic Compute Cloud.

The r5a.8xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Sun Jun 21 2026
Instance Info
Compute Value
vCPUs 32
Memory 256 GiB
Physical Processor AMD EPYC 7571
Clock Speed 2.5 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance Up to 10 Gigabit
Enhanced Networking Yes
Storage Value
Storage EBS only
EBS Throughput 3500 Mbps
Amazon Value
Current Generation Yes
Instance Type r5a.8xlarge
Family Memory optimized
Family Instances
Instance vCPUs Memory
r5a.large 2 16
r5a.xlarge 4 32
r5a.2xlarge 8 64
r5a.4xlarge 16 128
r5a.8xlarge 32 256
r5a.12xlarge 48 384
r5a.16xlarge 64 512
r5a.24xlarge 96 768
Related Instances
Instance vCPUs Memory
i7i.8xlarge 32 256 GiB
i8ge.6xlarge 24 192 GiB
i8g.8xlarge 32 256 GiB
g6e.8xlarge 32 256 GiB
g7e.8xlarge 32 256 GiB