m4 family
The m4 family has 6 sizes on AWS RDS, from 2 to 64 vCPUs and 8 to 256 GiB of memory. In US East (N. Virginia), on-demand prices run $0.182 to $5.844 per hour for PostgreSQL, Single-AZ. It is sold in 17 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.m4.large | 2 | 8 | $0.182 | – |
| db.m4.xlarge | 4 | 16 | $0.365 | – |
| db.m4.2xlarge | 8 | 32 | $0.73 | – |
| db.m4.4xlarge | 16 | 64 | $1.461 | – |
| db.m4.10xlarge | 40 | 160 | $3.654 | – |
| db.m4.16xlarge | 64 | 256 | $5.844 | – |
Compare m4
Categories
Regions
Asia Pacific (Tokyo)Asia Pacific (Seoul)Asia Pacific (Osaka)Asia Pacific (Mumbai)Asia Pacific (Singapore)Asia Pacific (Sydney)Canada (Central)EU (Frankfurt)EU (Ireland)EU (London)EU (Paris)South America (Sao Paulo)US East (N. Virginia)US East (Ohio)AWS GovCloud (US-West)US West (N. California)US West (Oregon)
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.