m1 family
The m1 family has 4 sizes on AWS RDS, from 1 to 4 vCPUs and 1.7 to 15 GiB of memory. In US East (N. Virginia), on-demand prices run $0.06 to $0.49 per hour for PostgreSQL, Single-AZ. It is sold in 9 regions and listed as general purpose.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| db.m1.small | 1 | 1.7 | $0.06 | – |
| db.m1.medium | 1 | 3.69921875 | $0.12 | – |
| db.m1.large | 2 | 7.5 | $0.245 | – |
| db.m1.xlarge | 4 | 15 | $0.49 | – |
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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.