r5a family
The r5a family has 8 sizes on AWS EC2, from 2 to 96 vCPUs and 16 to 768 GiB of memory. In US East (N. Virginia), on-demand prices run $0.113 to $5.424 per hour for Linux. It is sold in 18 regions and listed as memory optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | Spot /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| r5a.large | 2 | 16 | $0.113 | $0.0337 | $0.071 |
| r5a.xlarge | 4 | 32 | $0.226 | $0.076 | $0.142 |
| r5a.2xlarge | 8 | 64 | $0.452 | $0.176 | $0.285 |
| r5a.4xlarge | 16 | 128 | $0.904 | $0.3225 | $0.57 |
| r5a.8xlarge | 32 | 256 | $1.808 | $0.5214 | $1.139 |
| r5a.12xlarge | 48 | 384 | $2.712 | $0.8553 | $1.709 |
| r5a.16xlarge | 64 | 512 | $3.616 | $1.092 | $2.278 |
| r5a.24xlarge | 96 | 768 | $5.424 | $1.538 | $3.417 |
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Regions
Asia Pacific (Tokyo)Asia Pacific (Seoul)Asia Pacific (Mumbai)Asia Pacific (Singapore)Asia Pacific (Sydney)Canada (Central)EU (Frankfurt)EU (Milan)EU (Ireland)EU (London)EU (Paris)South America (Sao Paulo)US East (N. Virginia)US East (Ohio)AWS GovCloud (US-East)AWS GovCloud (US-West)US West (N. California)US West (Oregon)
Prices in USD per hour for Linux; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instance types.