u-3tb1.56xlarge pricing and specs in EU (Ireland)
224 vCPU · 3072 GiB · 50 Gigabit · Intel Xeon Scalable (Skylake)
$30.5500/hour on-demand · $22,302/month (Linux, Shared)
u-3tb1.56xlarge is a EC2 instance with 224 vCPU and 3072 GiB. On-demand it costs $30.5500 an hour, about $22,302 a month if it runs all month. A one-year commitment with nothing up front works out at $18.8263 an hour and pays for itself above roughly 449 hours a month; below that, on-demand is cheaper. The three-year options go down to $8.5433 an hour, 72% below on-demand. There is no newer generation at this size in EU (Ireland). Across regions the cheapest place to run u-3tb1.56xlarge is US East (N. Virginia) (us-east-1) at $27.3000 an hour, 11% below EU (Ireland).
Pricing by OS (hourly, USD, Shared)
| Option | Linux | Windows | RHEL | SUSE | Ubuntu Pro |
|---|---|---|---|---|---|
| On-Demand | $30.5500 | $40.8540 | $32.7004 | $30.6750 | $30.9420 |
| 1y Std RI NU | $18.8263 | $29.1303 | $20.9767 | $18.8863 | — |
| 1y Std RI PU | $17.9299 | $28.2338 | $20.0803 | $17.9898 | — |
| 1y Std RI AU | $17.5712 | $27.8752 | $19.7216 | $17.6312 | — |
| 3y Std RI NU | $9.8157 | $20.1197 | $11.9661 | $9.8697 | — |
| 3y Std RI PU | $9.0886 | $19.3926 | $11.2390 | $9.1426 | — |
| 3y Std RI AU | $8.5433 | $18.8473 | $10.6937 | $8.5973 | — |
| 1y Conv RI NU | $22.5826 | $32.8866 | $24.7330 | $22.6426 | — |
| 3y Conv RI NU | $11.7789 | $22.0829 | $13.9293 | $11.8329 | — |
| 1y Compute SP NU | $22.5826 | $32.8866 | $24.7330 | $22.6425 | $22.8962 |
| 3y Compute SP NU | $11.7789 | $22.0829 | $13.9293 | $11.8329 | $12.0342 |
| 1y EC2 SP NU | $18.8263 | $29.1303 | $20.9767 | $18.8862 | $19.1399 |
| 3y EC2 SP NU | $9.8157 | $20.1197 | $11.9661 | $9.8697 | $10.0711 |
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.
No Graviton equivalent at this sizeNo newer generation of this size is priced in EU (Ireland).
Cheapest regions for u-3tb1.56xlarge
| Region | On-Demand $/h | vs eu-west-1 | Saves / mo |
|---|---|---|---|
| US East (N. Virginia) us-east-1 | $27.3000 | -11% | $2,372 |
| US East (Ohio) us-east-2 | $27.3000 | -11% | $2,372 |
| US West (Oregon) us-west-2 | $27.3000 | -11% | $2,372 |
| Canada (Central) ca-central-1 | $29.9000 | -2% | $475 |
| EU (Ireland) eu-west-1 | $30.5500 | current | — |
| EU (Milan) eu-south-1 | $32.0775 | +5% | $-1,115 |
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 (eu-west-1)
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 |
|---|---|---|---|---|---|
| 2026-09-22 | $30.5500 | $40.8540 | $18.8263 | $9.8157 | — |
All attributes
- vCPU
- 224
- Cores / threads per core
- 112 / 2
- Memory
- 3072 GiB
- Memory per vCPU
- 13.71 GiB
- Processor
- Intel Xeon Scalable (Skylake)
- Architecture
- x86_64
- Sustained clock
- 2.1 GHz
- Hypervisor
- nitro
- Generation
- Current
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- 50 Gigabit
- Network baseline / burst
- 50.0 / 50.0 Gbps
- Max ENIs × IPv4 per ENI
- 8 × 30
- IPv6 / ENA / EFA
- IPv6 / ENA / —
- EBS optimized
- Yes
- EBS bandwidth (baseline / max)
- 19000 / 19000 Mbps
- EBS IOPS (baseline / max)
- 80,000 / 80000
- EBS NVMe
- required
- Instance storage
- EBS only
- GPU
- —
- Placement groups
- cluster, partition, spread
- Hibernation / Nitro Enclaves
- No / No
- Dedicated hosts
- —
- Boot modes
- legacy-bios
- Spot supported
- No
Public AWS list prices (USD), refreshed nightly (catalog 2026-10-22). 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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