r8a Instance Family
Description #
The R8a instance family, generally available since November 4, 2025, features 5th Gen AMD EPYC processors (formerly code named "Turin") with a maximum frequency of 4.5 GHz. These memory-optimized instances offer up to 75 Gbps of network bandwidth and up to 60 Gbps EBS bandwidth. R8a instances are EBS-only and built on the AWS Nitro System and sixth-generation Nitro Cards. They are ideal for high-performance, memory-intensive workloads.
Info #
Instance Types
vCPUs
Up to 192
Memory
Up to 1536 GiB
Architecture
x86_64
Processor
AMD
Performance ranking #
Ranked by CPU performance (Passmark)
#11
m1, m2, m3, mac1, mac2, mac-m4, mac2-m2, mac-m4pro, mac2-m2pro, mac2-m1ultra, a1, c1, d2, d3, d3en, dl1, f1, f2, g4ad, g4dn, g5, g5g, g6, g6e, g6f, gr6, gr6f, h1, hpc7g, i2, im4gn, inf1, inf2, is4gen, p3, p3dn, p4d, p4de, p5, p5en, p6-b200, t1, trn1, trn1n, u-3tb1, u-6tb1, vt1, x1, x1e, x2gd, x2idn, x2iedn, x2iezn
Unknown
Up to 448 vCPU
Available Regions #
🇺🇸
us-east-1
🇺🇸
us-east-2
🇺🇸
us-west-2