Memory-optimized (X-family) 4xlarge instances compared
Every Amazon RDS instance in the Memory-optimized (X-family) 4xlarge group — 2 instances priced side by side. Switch region and engine, or sort by any column.
Engine
Architecture
| db.x2g.4xlarge | 16 | 256 | $1,904 | $1,028 | $685 |
| db.x2iedn.4xlarge | 16 | 512 | $5,554 | — | — |
2 instances · US East (N. Virginia) · prices are for the database instance (compute) only — storage, IOPS, backup, and data transfer are billed separately. Reserved = effective monthly of the all-upfront term. Indicative prices as of July 20, 2026; verify with the provider.