db.r8a.12xlarge pricing and specs in US West (Oregon)
24 vCPU · 384 GiB · 22500 Mbps · 5th Generation AMD EPYC
$7.2456/hour on-demand · $5,289/month (MySQL, Single-AZ)
db.r8a.12xlarge is a memory-optimized RDS instance with 24 vCPU and 384 GiB, generation 8 of the r family. On-demand it costs $7.2456 an hour, about $5,289 a month if it runs all month. The newer db.r8g.12xlarge offers the same size for $5.7360 an hour, 21% less and moves to Graviton. Across regions the cheapest place to run db.r8a.12xlarge is US East (N. Virginia) (us-east-1) at $7.2456 an hour, 0% below US West (Oregon).
Pricing by engine (hourly, USD, Single-AZ)
| Option | MySQL | PostgreSQL | MariaDB | Aurora MySQL | Aurora PostgreSQL | Oracle SE2 | SQL Server Express | SQL Server Web | SQL Server Standard | SQL Server Enterprise |
|---|---|---|---|---|---|---|---|---|---|---|
| On-Demand | $7.2456 | $7.2456 | $7.2456 | $8.4048 | $8.4048 | — | — | — | $6.9054 | $6.9054 |
Newer generations of the same size
Same family letter and size in a newer generation, ranked by price. “vCPU per $” uses vCPU as the performance proxy — newer chips usually add more, so it is a floor.
Graviton-eligible → db.r8g.12xlarge (-21%)| Type | $/h | Price Δ | vCPU per $ Δ | Saves / mo |
|---|---|---|---|---|
| db.r8g.12xlarge Graviton arch change | $5.7360 | -21% | +153% | $1,102 |
| db.r8gd.12xlarge Graviton arch change | $6.5520 | -10% | +121% | $506 |
Cheapest regions for db.r8a.12xlarge
| Region | On-Demand $/h | vs us-west-2 | Saves / mo |
|---|---|---|---|
| US East (N. Virginia) us-east-1 | $7.2456 | 0.0% | $0 |
| US East (Ohio) us-east-2 | $7.2456 | 0.0% | $0 |
| US West (Oregon) us-west-2 | $7.2456 | current | — |
| Asia Pacific (Taipei) ap-east-2 | $7.8240 | +8% | $-422 |
| Canada (Central) ca-central-1 | $7.8240 | +8% | $-422 |
| Europe (Spain) eu-south-2 | $8.1144 | +12% | $-634 |
Caveat: instance price is only part of the bill. Cross-region and internet data transfer, latency to your users, data-residency rules and service availability can outweigh a few percent on compute.
Price history (us-west-2)
Daily snapshots since the catalog started tracking this type; a row is added whenever a headline price changes.
| Date | OD MySQL | OD Windows | 1y RI | 3y RI | Spot p50 |
|---|---|---|---|---|---|
| 2026-09-30 | $7.2456 | — | — | — | — |
| 2026-09-22 | — | — | — | — | — |
All attributes
- vCPU
- 24
- Cores / threads per core
- —
- Memory
- 384 GiB
- Memory per vCPU
- 16.00 GiB
- Processor
- 5th Generation AMD EPYC
- Architecture
- —
- Sustained clock
- —
- Hypervisor
- —
- Generation
- Current
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- 22500 Mbps
- Network baseline / burst
- —
- Max ENIs × IPv4 per ENI
- —
- IPv6 / ENA / EFA
- — / — / —
- EBS optimized
- —
- EBS bandwidth (baseline / max)
- —
- EBS IOPS (baseline / max)
- —
- EBS NVMe
- —
- Instance storage
- EBS only
- GPU
- —
- Placement groups
- —
- Hibernation / Nitro Enclaves
- — / —
- Dedicated hosts
- —
- Boot modes
- —
- Spot supported
- —
Public AWS list prices (USD), refreshed nightly (catalog 2026-11-06). RI and Savings Plan rates are effective hourly (upfront amortised over the term) and are charged for every hour of the term. Excludes taxes, data transfer and storage. How these numbers are sourced and checked. Not affiliated with Amazon Web Services.
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