r5a.16xlarge

Updated: February 23, 2026
The r5a.16xlarge instance is in the R5A Memory optimized family with 64 vCPUs and 512 GiB of memory, pricing starts at $3.6160 per hour and $2639.6800 per month in us-east-1 region.
Configuration & Pricing
Pricing
Monthly Cost
$2639.6800 / month
Hourly Cost
$3.6160 / hour
Reserved (1 yr)
$1552.1667 / month
Reserved (3 yr)
$992.5278 / month
Compute
Name
R5A 16xlarge Extra Large
Series
R5A
Compute Family
Memory optimized
Generation
current
vCPUs
64 vCPUs
Instance Memory
512 GiB
GiB of Memory per vCPU
8.00 GiB/vCPU
Clock Speed(GHz)
2.5 GHz
Physical Processor
AMD EPYC 7571
CPU Architecture
x86_64
GPUs
0
GPU memory
0 GiB
CoreMark Score
825,593.395
Networking
Network Performance
12 Gigabit
Max IPs
750
Enhanced Networking
Yes
IPv6 Support
Yes
Storage
Instance Storage
EBS only
EBS Optimized
true
Max Bandwidth (Mbps) on EBS
9500 Mbps
Max Throughput (Mbps) on EBS
1187.5 MB/s
Max IOPS on EBS
40000 IOPS
Baseline Bandwidth (Mbps) on EBS
9500 Mbps
Baseline Throughput (Mbps) on EBS
1187.5 MB/s
Baseline IOPS on EBS
40000 IOPS

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