whichvm

AWS R5a instance types

R5a is a memory optimized Amazon EC2 family with 8 instance types, from 2 – 96 vCPUs and 16 GiB – 768 GiB of memory, running on AMD EPYC 7571. Linux on demand starts at $0.113 per hour.

memory optimizedx86-64
sizes
8
vCPUs
2 – 96
memory
16 GiB – 768 GiB
processor
AMD EPYC 7571
on-demand from
$0.113

per hour · 18 regions

Compare sizes

R5a sizes and prices

Linux, hourly, US East (N. Virginia) (other regions on each size's page)

SizevCPUMemoryLocal storageOn-demandMonthlySpot1-yr
r5a.large216 GiB–$0.113$82.49$0.0514$0.071
r5a.xlarge432 GiB–$0.226$165$0.1026$0.142
r5a.2xlarge864 GiB–$0.452$330$0.2212$0.285
r5a.4xlarge16128 GiB–$0.904$660$0.3918$0.57
r5a.8xlarge32256 GiB–$1.808$1,320$0.775$1.139
r5a.12xlarge48384 GiB–$2.712$1,980$1.252$1.709
r5a.16xlarge64512 GiB–$3.616$2,640$1.547$2.278
r5a.24xlarge96768 GiB–$5.424$3,960$1.97$3.417

R5a equivalents on other clouds

closest match to r5a.4xlarge (16 vCPU, 128 GiB)

AzureE16as v5Easv5 family · 16 vCPU · 128 GiB$0.904/hr · East USEasv5 family →
Google Cloude2-highmem-16E2 family · 16 vCPU · 128 GiB$0.7232/hr · IowaE2 family →
AkamaiLinode 300GBHigh Memory family · 16 vCPU · 300 GiB$1.44/hr · Newark, NJHigh Memory family →
Vultrvx1-m-16c-128gbVX1: Memory Optimized family · 16 vCPU · 128 GiB$0.64/hr · New JerseyVX1: Memory Optimized family →

Other memory optimized families on AWS

R4 6R5 9R5ad 8R5b 9R5d 9R5dn 9R5n 9R6a 11R6g 9R6gd 9R6i 10R6id 10R6idn 10R6in 10R7a 12R7g 9R7gd 9R7i 11R7iz 10R8a 12R8g 12R8gb 12R8gd 12R8gn 12R8i 13R8i-flex 7R8ib 13R8id 13R8idb 13R8idn 13

R5a FAQ

What sizes does the AWS R5a family have?

R5a has 8 instance types, from r5a.large (2 vCPU, 16 GiB) to r5a.24xlarge (96 vCPU, 768 GiB). They run on AMD EPYC 7571.

What is the cheapest R5a instance type?

r5a.large at $0.113 per hour (Linux, on demand) in US East (N. Virginia), about $82.49 per month.

What is R5a best for?

R5a is a memory optimized family. Lots of RAM per vCPU (8 GiB and up) for databases, caches and in-memory analytics.