r5ad.8xlarge

Amazon EC2 · R5ad family

The r5ad.8xlarge is a memory optimized Amazon EC2 instance type with 32 vCPUs and 256 GiB of memory, running on AMD EPYC 7571 with up to 10 Gigabit networking, starting at $1.329 per hour on demand.

memory optimizedx86-64amd
vCPUs
32

dedicated

memory
256 GiB

8 GiB per vCPU

processor
AMD

2.5 GHz

on-demand
$2.096

$1,530/mo · us-east-1

spot
$1.147

−45% vs on-demand

1-yr reserved
$1.32

−37% vs on-demand

r5ad.8xlarge price by region

16 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved

Asia Pacific (Mumbai)ap-south-1cheapestAsia$1.329$0.5678$0.837$0.574
US East (N. Virginia)us-east-1referenceNorth America$2.096$1.147$1.32$0.905
US East (Ohio)us-east-2North America$2.096$0.4747$1.32$0.905
US West (Oregon)us-west-2North America$2.096$1.002$1.32$0.905
Canada (Central)ca-central-1North America$2.304$0.8473$1.452$0.995
EU (Ireland)eu-west-1Europe$2.336$1.121$1.472$1.009
US West (N. California)us-west-1North America$2.368$1.249$1.492$1.023
EU (Paris)eu-west-3Europe$2.448$0.3471$1.542$1.058
EU (London)eu-west-2Europe$2.464$0.6336$1.552$1.064
Asia Pacific (Seoul)ap-northeast-2Asia$2.528$0.6829$1.588$1.092
AWS GovCloud (US)us-gov-west-1North America$2.528–$1.593$1.092
EU (Frankfurt)eu-central-1Europe$2.528$0.4113$1.593$1.092
Asia Pacific (Singapore)ap-southeast-1Asia$2.544$1.183$1.595$1.099
Asia Pacific (Sydney)ap-southeast-2Oceania$2.544$0.3349$1.603$1.099
Asia Pacific (Tokyo)ap-northeast-1Asia$2.544$1.274$1.603$1.099
South America (Sao Paulo)sa-east-1South America$3.328$1.323$2.097$1.438

Specifications

compute

vCPUs
32
Memory
256 GiB
Memory per vCPU
8 GiB
Processor
AMD EPYC 7571
CPU vendor
AMD
Architecture
x86-64
Clock speed
2.5 GHz
Burstable CPU
No

storage & network

Local storage
1.2 TB NVME (2 disks)
Storage detail
2 x 600 NVMe SSD
Network
Up to 10 Gigabit
Peak bandwidth
10 Gbps

aws details

API name
r5ad.8xlarge
Family
R5ad
Category
Memory optimized
Generation
Current
Regions
16 (Asia, Europe, North America, Oceania, South America)
Cheapest region
Asia Pacific (Mumbai) · $1.329/hr
Dedicated EBS throughput
3500 Mbps
Enhanced networking
Yes
Normalization size factor
64
Processor features
AVX; AVX2; AMD Turbo
Spot interruption rate (us-east-1)
>20%
Spot savings vs on-demand (us-east-1)
65%

r5ad.8xlarge equivalents on other clouds

closest match by vCPU, memory, CPU architecture, accelerator and class · Linux on-demand in each provider's reference region

compare side by side→
ProviderInstancevCPUMemoryProcessorOn-demandvs r5ad.8xlarge
AWSr5ad.8xlarge32256 GiBAMD EPYC 7571$2.096–
AzureE32as v432256 GiBAMD EPYC 7452 (Rome)$2.016-4%
E32a v432256 GiBAMD EPYC 7452 (Rome)$2.016-4%
Google Cloudz3-highmem-32-highlssd32256 GiBIntel Sapphire Rapids$4.608+120%
c4d-highmem-32-lssd32252 GiBAMD Turin$2.157+3%
AkamaiG8 Dedicated 128x32128 GiB (2× less)32128 GiBAMD EPYC$1.68-20%
Dedicated 256GB56 vCPU (1.75×)56256 GiBAMD EPYC$3.456+65%
Vultrvx1-m-32c-256g-1920s32256 GiBAMD EPYC$1.543-26%
voc-m-32c-256gb-1600s-amd32256 GiBAMD EPYC$1.753-16%

R5ad family sizes

all about R5ad→
SizevCPUMemoryLocal storageOn-demandMonthlySpot1-yr
r5ad.large216 GiB75 GB NVME$0.131$95.63$0.0622$0.083
r5ad.xlarge432 GiB150 GB NVME$0.262$191$0.1371$0.165
r5ad.2xlarge864 GiB300 GB NVME$0.524$383$0.2825$0.33
r5ad.4xlarge16128 GiB600 GB NVME (2 disks)$1.048$765$0.6095$0.66
r5ad.8xlarge32256 GiB1.2 TB NVME (2 disks)$2.096$1,530$1.147$1.32
r5ad.12xlarge48384 GiB1.8 TB NVME (2 disks)$3.144$2,295$1.583$1.981
r5ad.16xlarge64512 GiB2.4 TB NVME (4 disks)$4.192$3,060$1.738$2.641
r5ad.24xlarge96768 GiB3.6 TB NVME (4 disks)$6.288$4,590$2.755$3.961

Similar instance types on AWS

other AWS families with a similar shape, cheapest first

r5ad.8xlarge FAQ

How much does r5ad.8xlarge cost?

r5ad.8xlarge costs $2.096 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $1,530 per month. Across 16 regions the Linux on-demand price ranges from $1.329 in Asia Pacific (Mumbai) to $3.328 in South America (Sao Paulo). Spot capacity costs $1.147 per hour (45% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $1.32 per hour. With Windows it costs $3.568 per hour.

How many vCPUs and how much memory does r5ad.8xlarge have?

r5ad.8xlarge has 32 vCPUs and 256 GiB of memory (8 GiB per vCPU), running on AMD EPYC 7571. It is a memory optimized instance type in the R5ad family.

What is the cheapest region for r5ad.8xlarge?

Asia Pacific (Mumbai) (ap-south-1) at $1.329 per hour for Linux on demand, 37% less than US East (N. Virginia). r5ad.8xlarge is sold in 16 AWS regions.

What are the equivalents of r5ad.8xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E32as v4 (32 vCPU, 256 GiB, $2.016/hour in East US); on Google Cloud, z3-highmem-32-highlssd (32 vCPU, 256 GiB, $4.608/hour in Iowa); on Akamai, G8 Dedicated 128x32 (32 vCPU, 128 GiB, $1.68/hour in Newark, NJ); on Vultr, vx1-m-32c-256g-1920s (32 vCPU, 256 GiB, $1.543/hour in Frankfurt).