x2iezn family
The x2iezn family has 6 sizes on AWS RDS, from 8 to 48 vCPUs and 256 to 1536 GiB of memory. In US East (N. Virginia), on-demand prices run $3.036 to $18.215 per hour for PostgreSQL, Single-AZ. It is sold in 4 regions and listed as memory optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | Tier | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| db.x2iezn.2xlarge | 8 | 256 | Oracle Enterprise BYOL | $3.036 | $2.186 |
| db.x2iezn.4xlarge | 16 | 512 | Oracle Enterprise BYOL | $6.072 | $4.372 |
| db.x2iezn.6xlarge | 24 | 768 | Oracle Enterprise BYOL | $9.107 | $6.558 |
| db.x2iezn.8xlarge | 32 | 1024 | Oracle Enterprise BYOL | $12.143 | $8.744 |
| db.x2iezn.12xlarge | 48 | 1536 | Oracle Enterprise BYOL | $18.215 | $13.116 |
| db.x2iezn.metal | 48 | 1536 | Oracle Enterprise BYOL | $13.661 | – |
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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.