r8i family
The r8i family has 13 sizes on AWS RDS, from 2 to 384 vCPUs and 16 to 3072 GiB of memory. In US East (N. Virginia), on-demand prices run $0.26 to $48.00 per hour for PostgreSQL, Single-AZ. It is sold in 25 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.r8i.large | 2 | 16 | Oracle Enterprise BYOL | $0.26 | $0.1742 |
| db.r8i.xlarge | 4 | 32 | Oracle Enterprise BYOL | $0.53 | $0.3551 |
| db.r8i.2xlarge | 4 | 64 | Oracle Enterprise BYOL | $1.05 | $0.7035 |
| db.r8i.4xlarge | 16 | 128 | Oracle Enterprise BYOL | $2.10 | $1.407 |
| db.r8i.12xlarge | 24 | 384 | Oracle Enterprise BYOL | $6.30 | $4.221 |
| db.r8i.8xlarge | 32 | 256 | Oracle Enterprise BYOL | $4.20 | $2.814 |
| db.r8i.16xlarge | 32 | 512 | Oracle Enterprise BYOL | $8.40 | $5.628 |
| db.r8i.32xlarge | 64 | 1024 | Oracle Enterprise BYOL | $16.80 | $11.256 |
| db.r8i.24xlarge | 96 | 768 | Oracle Enterprise BYOL | $12.60 | $8.442 |
| db.r8i.48xlarge | 192 | 1536 | Oracle Enterprise BYOL | $25.20 | $16.884 |
| db.r8i.metal-48xl | 192 | 1536 | Oracle Enterprise BYOL | $18.90 | – |
| db.r8i.96xlarge | 192 | 3072 | SQL Server Enterprise | $48.00 | – |
| db.r8i.metal-96xl | 384 | 3072 | Oracle Enterprise BYOL | $37.801 | – |
Compare r8i
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Regions
Africa (Cape Town)Asia Pacific (Tokyo)Asia Pacific (Seoul)Asia Pacific (Mumbai)Asia Pacific (Hyderabad)Asia Pacific (Singapore)Asia Pacific (Sydney)Asia Pacific (Malaysia)Asia Pacific (New Zealand)Canada (Central)Canada West (Calgary)EU (Frankfurt)Europe (Zurich)EU (Stockholm)EU (Milan)Europe (Spain)EU (Ireland)EU (London)EU (Paris)Israel (Tel Aviv)South America (Sao Paulo)US East (N. Virginia)US East (Ohio)US West (N. California)US West (Oregon)
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.