m5 family
The m5 family has 8 sizes on AWS RDS, from 2 to 96 vCPUs and 8 to 384 GiB of memory. In US East (N. Virginia), on-demand prices run $0.178 to $8.544 per hour for PostgreSQL, Single-AZ. It is sold in 30 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.m5.large | 2 | 8 | $0.178 | $0.114 |
| db.m5.xlarge | 4 | 16 | $0.356 | $0.228 |
| db.m5.2xlarge | 8 | 32 | $0.712 | $0.456 |
| db.m5.4xlarge | 16 | 64 | $1.424 | $0.9121 |
| db.m5.8xlarge | 32 | 128 | $2.848 | $1.824 |
| db.m5.12xlarge | 48 | 192 | $4.272 | $2.736 |
| db.m5.16xlarge | 64 | 256 | $5.696 | $3.648 |
| db.m5.24xlarge | 96 | 384 | $8.544 | $5.472 |
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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.