m2 family
The m2 family has 3 sizes on AWS RDS, from 2 to 8 vCPUs and 17.1 to 68.4 GiB of memory. In US East (N. Virginia), on-demand prices run $0.345 to $1.39 per hour for PostgreSQL, Single-AZ. It is sold in 9 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.m2.xlarge | 2 | 17.1 | $0.345 | – |
| db.m2.2xlarge | 4 | 34.19921875 | $0.69 | – |
| db.m2.4xlarge | 8 | 68.4 | $1.39 | – |
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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.