r5ad family
The r5ad 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 $0.131 to $6.288 per hour for Linux. It is sold in 16 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 |
|---|---|---|---|---|---|
| r5ad.large | 2 | 16 | $0.131 | $0.0363 | $0.083 |
| r5ad.xlarge | 4 | 32 | $0.262 | $0.0943 | $0.165 |
| r5ad.2xlarge | 8 | 64 | $0.524 | $0.1809 | $0.33 |
| r5ad.4xlarge | 16 | 128 | $1.048 | $0.3501 | $0.66 |
| r5ad.8xlarge | 32 | 256 | $2.096 | $0.5534 | $1.32 |
| r5ad.12xlarge | 48 | 384 | $3.144 | $0.7813 | $1.981 |
| r5ad.16xlarge | 64 | 512 | $4.192 | $0.8968 | $2.641 |
| r5ad.24xlarge | 96 | 768 | $6.288 | $1.477 | $3.961 |
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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.