m6i family
The m6i family has 10 sizes on AWS RDS, from 2 to 128 vCPUs and 8 to 512 GiB of memory. In US East (N. Virginia), on-demand prices run $0.178 to $11.392 per hour for PostgreSQL, Single-AZ. It is sold in 35 regions and listed as general purpose.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | Tier | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| db.m6i.large | 2 | 8 | $0.178 | $0.114 | |
| db.m6i.xlarge | 4 | 16 | $0.356 | $0.228 | |
| db.m6i.2xlarge | 8 | 32 | $0.712 | $0.456 | |
| db.m6i.4xlarge | 16 | 64 | $1.424 | $0.912 | |
| db.m6i.8xlarge | 32 | 128 | $2.848 | $1.824 | |
| db.m6i.12xlarge | 48 | 192 | $4.272 | $2.736 | |
| db.m6i.16xlarge | 64 | 256 | $5.696 | $3.648 | |
| db.m6i.24xlarge | 96 | 384 | $8.544 | $5.472 | |
| db.m6i.32xlarge | 128 | 512 | $11.392 | $7.296 | |
| db.m6i.metal | 128 | 512 | Oracle Enterprise BYOL | $8.208 | – |
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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.