# Amazon RDS Memory-optimized (R-family) 24xlarge instances compared

> Compare all 10 Amazon RDS Memory-optimized (R-family) 24xlarge instances — monthly price across regions and engines, side by side.

Source: https://www.bytebase.com/dbcost/rds/compare/r-24xlarge/

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Pricing below is for US East (N. Virginia) (us-east-1); other regions, engines are on the page.

## PostgreSQL (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.24xlarge | 96 | 768 | $8,760 | $4,722 | $3,176 |
| db.r5b.24xlarge | 96 | 768 | $10,372 | $5,593 | $3,729 |
| db.r5d.24xlarge | 96 | 768 | $10,011 | $7,308 | $5,306 |
| db.r6i.24xlarge | 96 | 768 | $8,760 | $4,720 | $3,176 |
| db.r6id.24xlarge | 96 | 768 | $10,449 | $7,628 | $5,538 |
| db.r6idn.24xlarge | 96 | 768 | $13,584 | $9,916 | $7,199 |
| db.r6in.24xlarge | 96 | 768 | $12,120 | $8,848 | $6,424 |
| db.r7i.24xlarge | 96 | 768 | $8,760 | $5,519 | — |
| db.r8g.24xlarge | 96 | 768 | $8,375 | $5,276 | — |
| db.r8gd.24xlarge | 96 | 768 | $9,566 | — | — |

## MySQL (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.24xlarge | 96 | 768 | $8,410 | $4,533 | $3,049 |
| db.r5b.24xlarge | 96 | 768 | $10,372 | $5,593 | $3,729 |
| db.r5d.24xlarge | 96 | 768 | $10,011 | $7,308 | $5,306 |
| db.r6i.24xlarge | 96 | 768 | $8,410 | $4,532 | $3,049 |
| db.r6id.24xlarge | 96 | 768 | $10,449 | $7,628 | $5,538 |
| db.r6idn.24xlarge | 96 | 768 | $13,584 | $9,916 | $7,199 |
| db.r6in.24xlarge | 96 | 768 | $12,120 | $8,848 | $6,424 |
| db.r7i.24xlarge | 96 | 768 | $8,760 | $5,519 | — |
| db.r8g.24xlarge | 96 | 768 | $8,375 | $5,276 | — |
| db.r8gd.24xlarge | 96 | 768 | $9,566 | — | — |

## MariaDB (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.24xlarge | 96 | 768 | $8,410 | $4,533 | $3,049 |
| db.r5b.24xlarge | 96 | 768 | $10,372 | $5,593 | $3,729 |
| db.r5d.24xlarge | 96 | 768 | $10,011 | — | — |
| db.r6i.24xlarge | 96 | 768 | $8,410 | $4,532 | $3,049 |
| db.r6id.24xlarge | 96 | 768 | $10,449 | $7,628 | $5,538 |
| db.r6idn.24xlarge | 96 | 768 | $13,584 | $9,916 | $7,199 |
| db.r6in.24xlarge | 96 | 768 | $12,120 | $8,848 | $6,424 |
| db.r7i.24xlarge | 96 | 768 | $8,760 | $5,519 | — |
| db.r8g.24xlarge | 96 | 768 | $8,375 | $5,276 | — |
| db.r8gd.24xlarge | 96 | 768 | $9,566 | — | — |