db.r6idn.4xlarge pricing and specs in US West (Oregon)
16 vCPU · 128 GiB · Up to 50 Gbps · Intel Xeon Scalable Ice Lake
$3.1010/hour on-demand · $2,264/month (MySQL, Single-AZ)
db.r6idn.4xlarge is a memory-optimized RDS instance with 16 vCPU and 128 GiB, generation 6 of the r family. On-demand it costs $3.1010 an hour, about $2,264 a month if it runs all month. A one-year commitment with nothing up front works out at $2.3880 an hour and pays for itself above roughly 562 hours a month; below that, on-demand is cheaper. The three-year options go down to $1.6437 an hour, 47% below on-demand. The newer db.r6g.4xlarge offers the same size for $1.7180 an hour, 45% less and moves to Graviton. Across regions the cheapest place to run db.r6idn.4xlarge is US East (N. Virginia) (us-east-1) at $3.1010 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 | $3.1010 | $3.1010 | $3.1010 | — | — | — | — | — | — | — |
| 1y Std RI NU | $2.3880 | $2.3880 | $2.3880 | — | — | — | — | — | — | — |
| 1y Std RI PU | $2.3260 | $2.3260 | $2.3260 | — | — | — | — | — | — | — |
| 1y Std RI AU | $2.2639 | $2.2639 | $2.2639 | — | — | — | — | — | — | — |
| 3y Std RI PU | $1.7058 | $1.7058 | $1.7058 | — | — | — | — | — | — | — |
| 3y Std RI AU | $1.6437 | $1.6437 | $1.6437 | — | — | — | — | — | — | — |
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.r6g.4xlarge (-45%)| Type | $/h | Price Δ | vCPU per $ Δ | Saves / mo |
|---|---|---|---|---|
| db.r6g.4xlarge Graviton arch change | $1.7180 | -45% | +81% | $1,010 |
| db.r8g.4xlarge Graviton arch change | $1.9120 | -38% | +62% | $868 |
| db.r7g.4xlarge Graviton arch change | $1.9130 | -38% | +62% | $867 |
| db.r6i.4xlarge | $1.9200 | -38% | +62% | $862 |
| db.r7i.4xlarge | $2.0000 | -36% | -22% | $804 |
| db.r6gd.4xlarge Graviton arch change | $2.0570 | -34% | +51% | $762 |
| db.r8gd.4xlarge Graviton arch change | $2.1840 | -30% | +42% | $669 |
| db.r6id.4xlarge | $2.3860 | -23% | +30% | $522 |
Cheapest regions for db.r6idn.4xlarge
| Region | On-Demand $/h | vs us-west-2 | Saves / mo |
|---|---|---|---|
| US East (N. Virginia) us-east-1 | $3.1010 | 0.0% | $0 |
| US East (Ohio) us-east-2 | $3.1010 | 0.0% | $0 |
| US West (Oregon) us-west-2 | $3.1010 | current | — |
| EU (Ireland) eu-west-1 | $3.4570 | +11% | $-260 |
| Asia Pacific (Tokyo) ap-northeast-1 | $3.7500 | +21% | $-474 |
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 |
|---|---|---|---|---|---|
| 2026-09-22 | $3.1010 | — | $2.3880 | — | — |
All attributes
- vCPU
- 16
- Cores / threads per core
- —
- Memory
- 128 GiB
- Memory per vCPU
- 8.00 GiB
- Processor
- Intel Xeon Scalable Ice Lake
- Architecture
- —
- Sustained clock
- —
- Hypervisor
- —
- Generation
- Current
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- Up to 50 Gbps
- 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
- 950 GB NVMe SSD
- 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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