r8a.12xlarge

The r8a.12xlarge instance is in the Memory optimized family with 48 vCPUs, 384 GiB of memory and 22.5 Gibps of bandwidth starting at $3.83424 per hour.

Pricing

$3.834

On Demand

$1.306

Spot

N/A

1-Year Reserved

N/A

3-Year Reserved

Family Sizes

SizevCPUsMemory (GiB)
r8a.medium18
r8a.large216
r8a.xlarge432
r8a.2xlarge864
r8a.4xlarge16128
r8a.8xlarge32256
r8a.12xlarge48384
r8a.16xlarge64512
r8a.24xlarge96768
r8a.metal-24xl96768
r8a.48xlarge1921536
r8a.metal-48xl1921536

Instance Variants

Variant
r8a
r8g
r8gb
r8gd
r8gn
r8i
r8i-flex
r8ib
r8id
r8idb
r8idn
r8in

Instance Details

ComputeValue
vCPUs48
Memory (GiB)384
Memory per vCPU (GiB)8
Physical ProcessorAMD EPYC 9R45 Processor
Clock Speed (GHz)Up to 4.5 GHz
CPU Architecturex86_64
GPU
0
GPU Average Wattage0 W
GPU Architecture
none
Video Memory (GiB)0
GPU Compute Capability ?0
FPGA
0
ffmpeg FPS402
CoreMark iterations/Second2242323.862912
NUMA ArchitectureValue
Uses NUMA Architecture ?No
NUMA Node CountN/A
Max NUMA DistanceN/A
Cores per NUMA Node (Avg)N/A
Threads per NUMA Node (Avg)N/A
Memory per NUMA Node (Avg MB)N/A
L3 Cache per NUMA Node (Avg MB)N/A
L3 Cache SharedN/A
NetworkingValue
Network Performance (Gibps)22.5
Enhanced Networking
true
IPv6
true
Placement Group ?
Trunking Compatible
true
Branch Interface110
Max ECS Tasks ?120
StorageValue
EBS Optimized
true
Max Bandwidth (Mbps) on EBS15000
Max Throughput (MB/s) on EBS1875
Max I/O operations/second IOPS60000
Baseline Bandwidth (Mbps) on EBS15000
Baseline Throughput (MB/s) on EBS1875
Baseline I/O operations/second IOPS60000
Devices0
Swap Partition
false
NVME Drive ?
false
Disk Space (GiB)0
SSD
false
Initialize Storage
false
Instance Store Read IOPSN/A
Instance Store Write IOPSN/A
AmazonValue
Generation
current
Date Introduced2025-11-05
Instance Typer8a.12xlarge
Bare Metal
false
FamilyMemory optimized
NameR8A 12xlarge Extra Large
Elastic Map Reduce EMR
false
By Net service