Burstable AWS RDS sizes
AWS RDS has 18 burstable sizes in US East (N. Virginia), across 3 families. The cheapest is db.t4g.micro at $0.016 per hour on demand (2 vCPUs, 1 GiB).
Prices in US East (N. Virginia), cheapest first
| Type | Family | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| db.t4g.micro | t4g | 2 | 1 | $0.016 | $0.0116 |
| db.t2.micro | t2 | 1 | 1 | $0.018 | – |
| db.t3.micro | t3 | 2 | 1 | $0.018 | $0.0129 |
| db.t4g.small | t4g | 2 | 2 | $0.032 | $0.0233 |
| db.t2.small | t2 | 1 | 2 | $0.036 | – |
| db.t3.small | t3 | 2 | 2 | $0.036 | $0.0258 |
| db.t4g.medium | t4g | 2 | 4 | $0.065 | $0.0465 |
| db.t3.medium | t3 | 2 | 4 | $0.072 | $0.0517 |
| db.t2.medium | t2 | 2 | 4 | $0.073 | – |
| db.t4g.large | t4g | 2 | 8 | $0.129 | $0.093 |
| db.t2.large | t2 | 2 | 8 | $0.145 | – |
| db.t3.large | t3 | 2 | 8 | $0.145 | $0.1034 |
| db.t4g.xlarge | t4g | 4 | 16 | $0.258 | $0.186 |
| db.t2.xlarge | t2 | 4 | 16 | $0.29 | – |
| db.t3.xlarge | t3 | 4 | 16 | $0.29 | $0.2068 |
| db.t4g.2xlarge | t4g | 8 | 32 | $0.517 | $0.3721 |
| db.t3.2xlarge | t3 | 8 | 32 | $0.579 | $0.4135 |
| db.t2.2xlarge | t2 | 8 | 32 | $0.58 | – |
Families
Other categories
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.