r5d family
The r5d family has 8 sizes on AWS RDS, from 2 to 96 vCPUs and 16 to 768 GiB of memory. In US East (N. Virginia), on-demand prices run $0.286 to $13.714 per hour for PostgreSQL, Single-AZ. It is sold in 27 regions and listed as memory optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| db.r5d.large | 2 | 16 | $0.286 | $0.22 |
| db.r5d.xlarge | 4 | 32 | $0.571 | $0.44 |
| db.r5d.2xlarge | 8 | 64 | $1.143 | $0.88 |
| db.r5d.4xlarge | 16 | 128 | $2.286 | $1.76 |
| db.r5d.8xlarge | 32 | 256 | $4.571 | $3.52 |
| db.r5d.12xlarge | 48 | 384 | $6.857 | $5.28 |
| db.r5d.16xlarge | 64 | 512 | $9.143 | $7.04 |
| db.r5d.24xlarge | 96 | 768 | $13.714 | $10.56 |
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Regions
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Prices in USD per hour for PostgreSQL, Single-AZ; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.