r8a.16xlarge

Amazon EC2 · R8a family

The r8a.16xlarge is a memory optimized Amazon EC2 instance type with 64 vCPUs and 512 GiB of memory, running on AMD EPYC 9R45 Processor with 30 Gigabit networking, starting at $5.112 per hour on demand.

memory optimizedx86-64amd
vCPUs
64

dedicated

memory
512 GiB

8 GiB per vCPU

processor
AMD

x86-64

on-demand
$5.112

$3,732/mo · us-east-1

spot
–

not offered

regions
9

across 3 areas

r8a.16xlarge price by region

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

US East (N. Virginia)us-east-1cheapestreferenceNorth America$5.112
US East (Ohio)us-east-2cheapestNorth America$5.112
US West (Oregon)us-west-2cheapestNorth America$5.112
Asia Pacific (Taipei)ap-east-2Asia$5.55
Canada (Central)ca-central-1North America$5.599
EU (Ireland)eu-west-1Europe$5.721
EU (Spain)eu-south-2Europe$5.721
Asia Pacific (Tokyo)ap-northeast-1Asia$6.167
EU (Frankfurt)eu-central-1Europe$6.167

Specifications

compute

vCPUs
64
Memory
512 GiB
Memory per vCPU
8 GiB
Processor
AMD EPYC 9R45 Processor
CPU vendor
AMD
Architecture
x86-64
Burstable CPU
No

storage & network

Local storage
Network storage only
Storage detail
EBS only
Network
30 Gigabit
Peak bandwidth
30 Gbps

aws details

API name
r8a.16xlarge
Family
R8a
Category
Memory optimized
Generation
Current
Regions
9 (Asia, Europe, North America)
Cheapest region
US East (N. Virginia) · $5.112/hr
Dedicated EBS throughput
20000 Mbps
Enhanced networking
Yes
Normalization size factor
128
Processor features
AMD Turbo; AVX; AVX2; AVX512
Spot interruption rate (us-east-1)
<5%
Spot savings vs on-demand (us-east-1)
55%

r8a.16xlarge 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 r8a.16xlarge
AWSr8a.16xlarge64512 GiBAMD EPYC 9R45 Processor$5.112–
AzureE64as v564512 GiBAMD EPYC 7763v (Milan)$3.616-29%
E64as v664512 GiBAMD EPYC 9004 (Genoa)$3.814-25%
Google Cloudn4d-highmem-6464512 GiBAMD Turin$3.558-30%
n2d-highmem-6464512 GiBAMD Milan, AMD Rome$3.647-29%
AkamaiG8 Dedicated 256x64256 GiB (2× less)64256 GiBAMD EPYC$3.36-34%
Dedicated 256GB56 vCPU (1.1× less) · 256 GiB (2× less)56256 GiBAMD EPYC$3.456-32%
Vultrvx1-m-64c-512gb64512 GiBAMD EPYC$2.56-50%
vx1-m-64c-512g-3840s64512 GiBAMD EPYC$3.086-40%

R8a family sizes

all about R8a→
SizevCPUMemoryLocal storageOn-demandMonthly
r8a.medium18 GiB–$0.0799$58.31
r8a.large216 GiB–$0.1598$117
r8a.xlarge432 GiB–$0.3195$233
r8a.2xlarge864 GiB–$0.639$466
r8a.4xlarge16128 GiB–$1.278$933
r8a.8xlarge32256 GiB–$2.556$1,866
r8a.12xlarge48384 GiB–$3.834$2,799
r8a.16xlarge64512 GiB–$5.112$3,732
r8a.24xlarge96768 GiB–$7.668$5,598
r8a.metal-24xl96768 GiB–$7.668$5,598
r8a.48xlarge1921,536 GiB–$15.34$11,196
r8a.metal-48xl1921,536 GiB–$15.34$11,196

Similar instance types on AWS

other AWS families with a similar shape, cheapest first

r8a.16xlarge FAQ

How much does r8a.16xlarge cost?

r8a.16xlarge costs $5.112 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $3,732 per month. Across 9 regions the Linux on-demand price ranges from $5.112 in US East (N. Virginia) to $6.167 in EU (Frankfurt). With Windows it costs $8.056 per hour.

How many vCPUs and how much memory does r8a.16xlarge have?

r8a.16xlarge has 64 vCPUs and 512 GiB of memory (8 GiB per vCPU), running on AMD EPYC 9R45 Processor. It is a memory optimized instance type in the R8a family.

What are the equivalents of r8a.16xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E64as v5 (64 vCPU, 512 GiB, $3.616/hour in East US); on Google Cloud, n4d-highmem-64 (64 vCPU, 512 GiB, $3.558/hour in Iowa); on Akamai, G8 Dedicated 256x64 (64 vCPU, 256 GiB, $3.36/hour in Newark, NJ); on Vultr, vx1-m-64c-512gb (64 vCPU, 512 GiB, $2.56/hour in Amsterdam).