r8a.large pricing and specs in US West (Oregon)
2 vCPU · 16 GiB · Up to 12.5 Gigabit · AMD EPYC 9R45 Processor
$0.1598/hour on-demand · $117/month (Linux, Shared)
r8a.large is a memory-optimized EC2 instance with 2 vCPU and 16 GiB, generation 8 of the r family. On-demand it costs $0.1598 an hour, about $117 a month if it runs all month. A one-year commitment with nothing up front works out at $0.1057 an hour and pays for itself above roughly 482 hours a month; below that, on-demand is cheaper. The three-year options go down to $0.0725 an hour, 55% below on-demand. The newer r8g.large offers the same size for $0.1178 an hour, 26% less and moves to Graviton. Across regions the cheapest place to run r8a.large is US East (N. Virginia) (us-east-1) at $0.1598 an hour, 0% below US West (Oregon).
Pricing by OS (hourly, USD, Shared)
| Option | Linux | Windows | RHEL | SUSE | Ubuntu Pro |
|---|---|---|---|---|---|
| On-Demand | $0.1598 | $0.2518 | $0.1886 | $0.2161 | $0.1633 |
| Spot | $0.0572 | $0.1117 | — | — | — |
| 1y Compute SP NU | $0.1158 | $0.2077 | $0.1446 | $0.1407 | $0.1186 |
| 3y Compute SP NU | $0.0833 | $0.1753 | $0.1121 | $0.1058 | $0.0856 |
| 1y EC2 SP NU | $0.1057 | $0.1977 | $0.1345 | $0.1307 | $0.1085 |
| 3y EC2 SP NU | $0.0725 | $0.1645 | $0.1013 | $0.0950 | $0.0747 |
Spot by AZ (7-day p50, Linux): us-west-2d $0.0507 · us-west-2c $0.0575 · us-west-2a $0.0757 · us-west-2b $0.0569
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 → r8g.large (-26%)| Type | $/h | Price Δ | vCPU per $ Δ | Saves / mo |
|---|---|---|---|---|
| r8g.large Graviton arch change | $0.1178 | -26% | +36% | $31 |
| r9g.large Graviton arch change | $0.1284 | -20% | +24% | $23 |
| r8i-flex.large | $0.1320 | -17% | +21% | $20 |
| r8i.large | $0.1389 | -13% | +15% | $15 |
| r8gd.large Graviton arch change | $0.1470 | -8% | +9% | $9 |
| r9gd.large Graviton arch change | $0.1602 | +0.3% | -0.3% | $-0 |
| r8id.large | $0.1663 | +4% | -4% | $-5 |
| r8gb.large Graviton arch change | $0.1822 | +14% | -12% | $-16 |
Cheapest regions for r8a.large
| Region | On-Demand $/h | vs us-west-2 | Saves / mo |
|---|---|---|---|
| US East (N. Virginia) us-east-1 | $0.1598 | 0.0% | $0 |
| US East (Ohio) us-east-2 | $0.1598 | 0.0% | $0 |
| US West (Oregon) us-west-2 | $0.1598 | current | — |
| Asia Pacific (Taipei) ap-east-2 | $0.1734 | +9% | $-10 |
| Canada (Central) ca-central-1 | $0.1750 | +10% | $-11 |
| Europe (Spain) eu-south-2 | $0.1788 | +12% | $-14 |
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 Linux | OD Windows | 1y RI | 3y RI | Spot p50 |
|---|---|---|---|---|---|
| 2026-11-06 | $0.1598 | $0.2518 | — | — | $0.0572 |
| 2026-11-05 | $0.1598 | $0.2518 | — | — | $0.0573 |
| 2026-11-04 | $0.1598 | $0.2518 | — | — | $0.0576 |
| 2026-11-03 | $0.1598 | $0.2518 | — | — | $0.0578 |
| 2026-10-30 | $0.1598 | $0.2518 | — | — | $0.0582 |
| 2026-10-29 | $0.1598 | $0.2518 | — | — | $0.0573 |
| 2026-10-28 | $0.1598 | $0.2518 | — | — | $0.0558 |
| 2026-10-27 | $0.1598 | $0.2518 | — | — | $0.0555 |
| 2026-10-26 | $0.1598 | $0.2518 | — | — | $0.0554 |
| 2026-10-25 | $0.1598 | $0.2518 | — | — | $0.0553 |
| 2026-10-24 | $0.1598 | $0.2518 | — | — | $0.0551 |
| 2026-10-23 | $0.1598 | $0.2518 | — | — | $0.0551 |
| 2026-10-22 | $0.1598 | $0.2518 | — | — | $0.0551 |
| 2026-10-21 | $0.1598 | $0.2518 | — | — | $0.0553 |
| 2026-10-20 | $0.1598 | $0.2518 | — | — | $0.0554 |
| 2026-10-19 | $0.1598 | $0.2518 | — | — | $0.0561 |
| 2026-10-18 | $0.1598 | $0.2518 | — | — | $0.0568 |
| 2026-10-17 | $0.1598 | $0.2518 | — | — | $0.0577 |
| 2026-10-16 | $0.1598 | $0.2518 | — | — | $0.0580 |
| 2026-10-13 | $0.1598 | $0.2518 | — | — | $0.0583 |
| 2026-10-12 | $0.1598 | $0.2518 | — | — | $0.0583 |
| 2026-10-11 | $0.1598 | $0.2518 | — | — | $0.0581 |
| 2026-10-09 | $0.1598 | $0.2518 | — | — | $0.0580 |
| 2026-10-07 | $0.1598 | $0.2518 | — | — | $0.0580 |
| 2026-10-06 | $0.1598 | $0.2518 | — | — | $0.0580 |
| 2026-10-05 | $0.1598 | $0.2518 | — | — | $0.0580 |
| 2026-10-04 | $0.1598 | $0.2518 | — | — | $0.0578 |
| 2026-10-03 | $0.1598 | $0.2518 | — | — | $0.0575 |
| 2026-10-02 | $0.1598 | $0.2518 | — | — | $0.0571 |
| 2026-10-01 | $0.1598 | $0.2518 | — | — | $0.0568 |
All attributes
- vCPU
- 2
- Cores / threads per core
- 2 / 1
- Memory
- 16 GiB
- Memory per vCPU
- 8.00 GiB
- Processor
- AMD EPYC 9R45 Processor
- Architecture
- x86_64
- Sustained clock
- 4.5 GHz
- Hypervisor
- nitro
- Generation
- Current
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- Up to 12.5 Gigabit
- Network baseline / burst
- 0.937 / 12.5 Gbps
- Max ENIs × IPv4 per ENI
- 3 × 20
- IPv6 / ENA / EFA
- IPv6 / ENA / —
- EBS optimized
- Yes
- EBS bandwidth (baseline / max)
- 650 / 10000 Mbps
- EBS IOPS (baseline / max)
- 3,600 / 40000
- EBS NVMe
- required
- Instance storage
- EBS only
- GPU
- —
- Placement groups
- cluster, partition, spread
- Hibernation / Nitro Enclaves
- Yes / Yes
- Dedicated hosts
- Supported
- Boot modes
- legacy-bios, uefi
- Spot supported
- Yes
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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