r5ad.4xlarge

Amazon EC2 · R5ad family

The r5ad.4xlarge is a memory optimized Amazon EC2 instance type with 16 vCPUs and 128 GiB of memory, running on AMD EPYC 7571 with up to 10 Gigabit networking, starting at $0.664 per hour on demand.

memory optimizedx86-64amd
vCPUs
16

dedicated

memory
128 GiB

8 GiB per vCPU

processor
AMD

2.5 GHz

on-demand
$1.048

$765/mo · us-east-1

spot
$0.6095

−42% vs on-demand

1-yr reserved
$0.66

−37% vs on-demand

r5ad.4xlarge 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$0.664$0.3232$0.419$0.287
US East (N. Virginia)us-east-1referenceNorth America$1.048$0.6095$0.66$0.453
US East (Ohio)us-east-2North America$1.048$0.4159$0.66$0.453
US West (Oregon)us-west-2North America$1.048$0.4954$0.66$0.453
Canada (Central)ca-central-1North America$1.152$0.4091$0.726$0.498
EU (Ireland)eu-west-1Europe$1.168$0.622$0.736$0.505
US West (N. California)us-west-1North America$1.184$0.678$0.746$0.511
EU (Paris)eu-west-3Europe$1.224$0.4383$0.771$0.529
EU (London)eu-west-2Europe$1.232$0.5518$0.776$0.532
Asia Pacific (Seoul)ap-northeast-2Asia$1.264$0.5156$0.794$0.546
AWS GovCloud (US)us-gov-west-1North America$1.264–$0.796$0.546
EU (Frankfurt)eu-central-1Europe$1.264$0.583$0.796$0.546
Asia Pacific (Singapore)ap-southeast-1Asia$1.272$0.6934$0.797$0.55
Asia Pacific (Sydney)ap-southeast-2Oceania$1.272$0.774$0.801$0.55
Asia Pacific (Tokyo)ap-northeast-1Asia$1.272$0.5011$0.801$0.55
South America (Sao Paulo)sa-east-1South America$1.664$0.1746$1.048$0.719

Specifications

compute

vCPUs
16
Memory
128 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
600 GB NVME (2 disks)
Storage detail
2 x 300 NVMe SSD
Network
Up to 10 Gigabit
Peak bandwidth
10 Gbps

aws details

API name
r5ad.4xlarge
Family
R5ad
Category
Memory optimized
Generation
Current
Regions
16 (Asia, Europe, North America, Oceania, South America)
Cheapest region
Asia Pacific (Mumbai) · $0.664/hr
Dedicated EBS throughput
Up to 2120 Mbps
Enhanced networking
Yes
Normalization size factor
32
Processor features
AVX; AVX2; AMD Turbo
Spot interruption rate (us-east-1)
>20%
Spot savings vs on-demand (us-east-1)
53%

r5ad.4xlarge 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.4xlarge
AWSr5ad.4xlarge16128 GiBAMD EPYC 7571$1.048–
AzureE16as v416128 GiBAMD EPYC 7452 (Rome)$1.008-4%
E16a v416128 GiBAMD EPYC 7452 (Rome)$1.008-4%
Google Cloudc3d-highmem-16-lssd16128 GiBAMD Genoa$1.021-3%
z3-highmem-16-highlssd16128 GiBIntel Sapphire Rapids$2.304+120%
AkamaiLinode 300GB300 GiB (2.3×)16300 GiBAMD EPYC$1.44+37%
G8 Dedicated 64x1664 GiB (2× less)1664 GiBAMD EPYC$0.84-20%
Vultrvx1-m-16c-128g-960s16128 GiBAMD EPYC$0.772-26%
voc-m-16c-128gb-800s-amd16128 GiBAMD EPYC$0.877-16%

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.4xlarge FAQ

How much does r5ad.4xlarge cost?

r5ad.4xlarge costs $1.048 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $765 per month. Across 16 regions the Linux on-demand price ranges from $0.664 in Asia Pacific (Mumbai) to $1.664 in South America (Sao Paulo). Spot capacity costs $0.6095 per hour (42% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $0.66 per hour. With Windows it costs $1.784 per hour.

How many vCPUs and how much memory does r5ad.4xlarge have?

r5ad.4xlarge has 16 vCPUs and 128 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.4xlarge?

Asia Pacific (Mumbai) (ap-south-1) at $0.664 per hour for Linux on demand, 37% less than US East (N. Virginia). r5ad.4xlarge is sold in 16 AWS regions.

What are the equivalents of r5ad.4xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E16as v4 (16 vCPU, 128 GiB, $1.008/hour in East US); on Google Cloud, c3d-highmem-16-lssd (16 vCPU, 128 GiB, $1.021/hour in Iowa); on Akamai, Linode 300GB (16 vCPU, 300 GiB, $1.44/hour in Newark, NJ); on Vultr, vx1-m-16c-128g-960s (16 vCPU, 128 GiB, $0.772/hour in Amsterdam).