m8gd family
The m8gd family has 9 sizes on AWS RDS, from 2 to 192 vCPUs and 8 to 768 GiB of memory. In US East (N. Virginia), on-demand prices run $0.1976 to $18.97 per hour for PostgreSQL, Single-AZ. It is sold in 12 regions and listed as memory optimized and Arm (Graviton).
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr Savings Plan /hr |
|---|---|---|---|---|
| db.m8gd.large | 2 | 8 | $0.1976 | $0.1581 |
| db.m8gd.xlarge | 4 | 16 | $0.3952 | $0.3162 |
| db.m8gd.2xlarge | 8 | 32 | $0.7904 | $0.6323 |
| db.m8gd.4xlarge | 16 | 64 | $1.581 | $1.265 |
| db.m8gd.8xlarge | 32 | 128 | $3.162 | $2.529 |
| db.m8gd.12xlarge | 48 | 192 | $4.742 | $3.794 |
| db.m8gd.16xlarge | 64 | 256 | $6.323 | $5.059 |
| db.m8gd.24xlarge | 96 | 384 | $9.485 | $7.588 |
| db.m8gd.48xlarge | 192 | 768 | $18.97 | $15.176 |
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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.