AWS R3 instance types

R3 is a memory optimized Amazon EC2 family with 5 instance types, from 2 – 32 vCPUs and 15.3 GiB – 244 GiB of memory, running on Intel Xeon E5-2670 v2 (Ivy Bridge). Linux on demand starts at $0.166 per hour.

memory optimizedx86-64previous generation
sizes
5
vCPUs
2 – 32
memory
15.3 GiB – 244 GiB
processor
Intel Xeon E5-2670 v2 (Ivy Bridge)
on-demand from
$0.166

per hour · 13 regions

R3 sizes and prices

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

SizevCPUMemoryLocal storageOn-demandMonthlySpot
r3.large215.3 GiB32 GB SSD$0.166$121$0.0682
r3.xlarge430.5 GiB80 GB SSD$0.333$243$0.1374
r3.2xlarge861 GiB160 GB SSD$0.665$485$0.3037
r3.4xlarge16122 GiB320 GB SSD$1.33$971$0.5333
r3.8xlarge32244 GiB640 GB SSD (2 disks)$2.66$1,942$1.10

R3 equivalents on other clouds

closest match to r3.2xlarge (8 vCPU, 61 GiB)

AzureE8as v4Easv4 family · 8 vCPU · 64 GiB$0.504/hr · East USEasv4 family →
Google Cloudc4-highmem-8-lssdC4 family · 8 vCPU · 62 GiB$0.6035/hr · IowaC4 family →
AkamaiG8 Dedicated 32x8Dedicated CPU (G8) family · 8 vCPU · 32 GiB$0.42/hr · Newark, NJDedicated CPU (G8) family →
Vultrvx1-m-8c-64g-480sVX1: Memory Optimized family · 8 vCPU · 64 GiB$0.386/hr · New JerseyVX1: Memory Optimized family →

Other memory optimized families on AWS

R3 FAQ

What sizes does the AWS R3 family have?

R3 has 5 instance types, from r3.large (2 vCPU, 15.3 GiB) to r3.8xlarge (32 vCPU, 244 GiB). They run on Intel Xeon E5-2670 v2 (Ivy Bridge).

What is the cheapest R3 instance type?

r3.large at $0.166 per hour (Linux, on demand) in US East (N. Virginia), about $121 per month.

What is R3 best for?

R3 is a memory optimized family. Lots of RAM per vCPU (8 GiB and up) for databases, caches and in-memory analytics.