r8a.4xlarge

Updated: February 23, 2026
The r8a.4xlarge instance is in the R8A Memory optimized family with 16 vCPUs and 128 GiB of memory, pricing starts at $1.2781 per hour and $932.9984 per month in us-east-1 region.
Configuration & Pricing
Pricing
Monthly Cost
$932.9984 / month
Hourly Cost
$1.2781 / hour
Reserved (1 yr)
0.00 / month
Compute
Name
R8A Quadruple Extra Large
Series
R8A
Compute Family
Memory optimized
Generation
current
vCPUs
16 vCPUs
Instance Memory
128 GiB
GiB of Memory per vCPU
8.00 GiB/vCPU
Clock Speed(GHz)
Up to 4.5 GHz
Physical Processor
AMD EPYC 9R45 Processor
CPU Architecture
x86_64
GPUs
0
GPU memory
0 GiB
CoreMark Score
732,992.288
Networking
Network Performance
Up to 15 Gigabit
Max IPs
320
Enhanced Networking
Yes
IPv6 Support
Yes
Storage
Instance Storage
EBS only
EBS Optimized
true
Max Bandwidth (Mbps) on EBS
10000 Mbps
Max Throughput (Mbps) on EBS
1250 MB/s
Max IOPS on EBS
40000 IOPS
Baseline Bandwidth (Mbps) on EBS
5000 Mbps
Baseline Throughput (Mbps) on EBS
625 MB/s
Baseline IOPS on EBS
20000 IOPS

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