r8a.12xlarge

The r8a.12xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Mon Jun 01 2026
Instance Info
Compute Value
vCPUs 48
Memory 384 GiB
Physical Processor AMD EPYC 9R45 Processor
Clock Speed Up to 4.5 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance 22500 Megabit
Enhanced Networking Yes
Storage Value
Storage EBS only
EBS Throughput 15000 Mbps
Amazon Value
Current Generation Yes
Instance Type r8a.12xlarge
Family Memory optimized
Family Instances
Instance vCPUs Memory
r8a.medium 1 8
r8a.large 2 16
r8a.xlarge 4 32
r8a.2xlarge 8 64
r8a.4xlarge 16 128
r8a.8xlarge 32 256
r8a.12xlarge 48 384
r8a.16xlarge 64 512
r8a.24xlarge 96 768
r8a.48xlarge 192 1536
Related Instances
Instance vCPUs Memory
i7ie.12xlarge 48 384 GiB
i4i.12xlarge 48 384 GiB
g6e.12xlarge 48 384 GiB
i3en.12xlarge 48 384 GiB
i7i.12xlarge 48 384 GiB