r8a.12xlarge

Amazon EC2 · R8a family

The r8a.12xlarge is a memory optimized Amazon EC2 instance type with 48 vCPUs and 384 GiB of memory, running on AMD EPYC 9R45 Processor with 22.5 Gigabit networking, starting at $3.834 per hour on demand.

memory optimizedx86-64amd
vCPUs
48

dedicated

memory
384 GiB

8 GiB per vCPU

processor
AMD

x86-64

on-demand
$3.834

$2,799/mo · us-east-1

spot
–

not offered

regions
9

across 3 areas

r8a.12xlarge 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$3.834
US East (Ohio)us-east-2cheapestNorth America$3.834
US West (Oregon)us-west-2cheapestNorth America$3.834
Asia Pacific (Taipei)ap-east-2Asia$4.163
Canada (Central)ca-central-1North America$4.199
EU (Ireland)eu-west-1Europe$4.29
EU (Spain)eu-south-2Europe$4.29
Asia Pacific (Tokyo)ap-northeast-1Asia$4.625
EU (Frankfurt)eu-central-1Europe$4.625

Specifications

compute

vCPUs
48
Memory
384 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
22.5 Gigabit
Peak bandwidth
22.5 Gbps

aws details

API name
r8a.12xlarge
Family
R8a
Category
Memory optimized
Generation
Current
Regions
9 (Asia, Europe, North America)
Cheapest region
US East (N. Virginia) · $3.834/hr
Dedicated EBS throughput
15000 Mbps
Enhanced networking
Yes
Normalization size factor
96
Processor features
AMD Turbo; AVX; AVX2; AVX512
Spot interruption rate (us-east-1)
<5%
Spot savings vs on-demand (us-east-1)
53%

r8a.12xlarge 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.12xlarge
AWSr8a.12xlarge48384 GiBAMD EPYC 9R45 Processor$3.834–
AzureE48as v548384 GiBAMD EPYC 7763v (Milan)$2.712-29%
E48as v648384 GiBAMD EPYC 9004 (Genoa)$2.861-25%
Google Cloudn4d-highmem-4848384 GiBAMD Turin$2.668-30%
n2d-highmem-4848384 GiBAMD Milan, AMD Rome$2.736-29%
AkamaiDedicated 256GB56 vCPU (1.17×) · 256 GiB (1.5× less)56256 GiBAMD EPYC$3.456-10%
G7 Dedicated 256x5656 vCPU (1.17×) · 256 GiB (1.5× less)56256 GiBAMD EPYC$4.148+8%
Vultrvx1-m-48c-384gb48384 GiBAMD EPYC$1.92-50%
vx1-m-48c-384g-2880s48384 GiBAMD EPYC$2.315-40%

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.12xlarge FAQ

How much does r8a.12xlarge cost?

r8a.12xlarge costs $3.834 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $2,799 per month. Across 9 regions the Linux on-demand price ranges from $3.834 in US East (N. Virginia) to $4.625 in EU (Frankfurt). With Windows it costs $6.042 per hour.

How many vCPUs and how much memory does r8a.12xlarge have?

r8a.12xlarge has 48 vCPUs and 384 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.12xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E48as v5 (48 vCPU, 384 GiB, $2.712/hour in East US); on Google Cloud, n4d-highmem-48 (48 vCPU, 384 GiB, $2.668/hour in Iowa); on Akamai, Dedicated 256GB (56 vCPU, 256 GiB, $3.456/hour in Newark, NJ); on Vultr, vx1-m-48c-384gb (48 vCPU, 384 GiB, $1.92/hour in New Jersey).