i8ge.18xlarge pricing and specs in US West (Oregon)
72 vCPU · 576 GiB · 112.5 Gigabit · AWS Graviton4 Processor Graviton
$8.5428/hour on-demand · $6,236/month (Linux, Shared)
i8ge.18xlarge is a storage-optimized EC2 instance with 72 vCPU and 576 GiB, generation 8 of the i family on AWS Graviton (Arm). On-demand it costs $8.5428 an hour, about $6,236 a month if it runs all month. A one-year commitment with nothing up front works out at $5.8344 an hour and pays for itself above roughly 498 hours a month; below that, on-demand is cheaper. The three-year options go down to $3.7149 an hour, 57% below on-demand. There is no newer generation at this size in US West (Oregon). Across regions the cheapest place to run i8ge.18xlarge is US East (N. Virginia) (us-east-1) at $8.5428 an hour, 0% below US West (Oregon).
Pricing by OS (hourly, USD, Shared)
| Option | Linux | Windows | RHEL | SUSE | Ubuntu Pro |
|---|---|---|---|---|---|
| On-Demand | $8.5428 | — | $9.3204 | $8.6678 | $8.6688 |
| Spot | $2.6874 | — | — | — | — |
| 1y Compute SP NU | $6.7473 | — | $7.5249 | $6.8072 | $6.8481 |
| 3y Compute SP NU | $4.2865 | — | $5.0641 | $4.3405 | $4.3686 |
| 1y EC2 SP NU | $5.8344 | — | $6.6120 | $5.8943 | $5.9352 |
| 3y EC2 SP NU | $3.7149 | — | $4.4925 | $3.7689 | $3.7970 |
Spot by AZ (7-day p50, Linux): us-west-2a $2.9580 · us-west-2d $2.0320 · us-west-2c $3.0171 · us-west-2b $2.4168
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.
Already GravitonNo newer generation of this size is priced in US West (Oregon).
Cheapest regions for i8ge.18xlarge
| Region | On-Demand $/h | vs us-west-2 | Saves / mo |
|---|---|---|---|
| US East (N. Virginia) us-east-1 | $8.5428 | 0.0% | $0 |
| US East (Ohio) us-east-2 | $8.5428 | 0.0% | $0 |
| US West (Oregon) us-west-2 | $8.5428 | current | — |
| EU (Stockholm) eu-north-1 | $8.9586 | +5% | $-304 |
| Asia Pacific (Malaysia) ap-southeast-5 | $9.2232 | +8% | $-497 |
| Asia Pacific (Thailand) ap-southeast-7 | $9.2232 | +8% | $-497 |
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 | $8.5428 | — | — | — | $2.6874 |
| 2026-11-05 | $8.5428 | — | — | — | $2.6989 |
| 2026-11-04 | $8.5428 | — | — | — | $2.7018 |
| 2026-11-03 | $8.5428 | — | — | — | $2.7222 |
| 2026-11-02 | $8.5428 | — | — | — | $2.7218 |
| 2026-11-01 | $8.5428 | — | — | — | $2.7064 |
| 2026-10-31 | $8.5428 | — | — | — | $2.6724 |
| 2026-10-30 | $8.5428 | — | — | — | $2.6574 |
| 2026-10-29 | $8.5428 | — | — | — | $2.6591 |
| 2026-10-28 | $8.5428 | — | — | — | $2.6648 |
| 2026-10-27 | $8.5428 | — | — | — | $2.6368 |
| 2026-10-26 | $8.5428 | — | — | — | $2.6139 |
| 2026-10-25 | $8.5428 | — | — | — | $2.5998 |
| 2026-10-24 | $8.5428 | — | — | — | $2.5575 |
| 2026-10-23 | $8.5428 | — | — | — | $2.5485 |
| 2026-10-22 | $8.5428 | — | — | — | $2.5292 |
| 2026-10-21 | $8.5428 | — | — | — | $2.5002 |
| 2026-10-20 | $8.5428 | — | — | — | $2.4788 |
| 2026-10-19 | $8.5428 | — | — | — | $2.4802 |
| 2026-10-18 | $8.5428 | — | — | — | $2.4811 |
| 2026-10-17 | $8.5428 | — | — | — | $2.4848 |
| 2026-10-16 | $8.5428 | — | — | — | $2.4860 |
| 2026-10-15 | $8.5428 | — | — | — | $2.4846 |
| 2026-10-14 | $8.5428 | — | — | — | $2.4830 |
| 2026-10-13 | $8.5428 | — | — | — | $2.4827 |
| 2026-10-12 | $8.5428 | — | — | — | $2.4823 |
| 2026-10-11 | $8.5428 | — | — | — | $2.4848 |
| 2026-10-10 | $8.5428 | — | — | — | $2.4925 |
| 2026-10-09 | $8.5428 | — | — | — | $2.5000 |
| 2026-10-08 | $8.5428 | — | — | — | $2.5069 |
All attributes
- vCPU
- 72
- Cores / threads per core
- 72 / 1
- Memory
- 576 GiB
- Memory per vCPU
- 8.00 GiB
- Processor
- AWS Graviton4 Processor
- Architecture
- arm64
- Sustained clock
- 2.8 GHz
- Hypervisor
- nitro
- Generation
- Current
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- 112.5 Gigabit
- Network baseline / burst
- 112.5 / 112.5 Gbps
- Max ENIs × IPv4 per ENI
- 16 × 50
- IPv6 / ENA / EFA
- IPv6 / ENA / —
- EBS optimized
- Yes
- EBS bandwidth (baseline / max)
- 22500 / 22500 Mbps
- EBS IOPS (baseline / max)
- 90,000 / 90000
- EBS NVMe
- required
- Instance storage
- 6 × 7500 GB NVMe SSD
- GPU
- —
- Placement groups
- cluster, partition, spread
- Hibernation / Nitro Enclaves
- No / Yes
- Dedicated hosts
- Supported
- Boot modes
- 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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