a1.4xlarge pricing and specs in EU (Ireland)
16 vCPU · 32 GiB · Up to 10 Gigabit · AWS Graviton Processor Graviton previous generation
$0.4608/hour on-demand · $336/month (Linux, Shared)
a1.4xlarge is a Arm general-purpose EC2 instance with 16 vCPU and 32 GiB, generation 1 of the a family on AWS Graviton (Arm); AWS lists it as a previous generation. On-demand it costs $0.4608 an hour, about $336 a month if it runs all month. A one-year commitment with nothing up front works out at $0.2903 an hour and pays for itself above roughly 459 hours a month; below that, on-demand is cheaper. The three-year options go down to $0.1732 an hour, 62% below on-demand. There is no newer generation at this size in EU (Ireland). Across regions the cheapest place to run a1.4xlarge is Asia Pacific (Mumbai) (ap-south-1) at $0.4080 an hour, 11% below EU (Ireland).
Pricing by OS (hourly, USD, Shared)
| Option | Linux | Windows | RHEL | SUSE |
|---|---|---|---|---|
| On-Demand | $0.4608 | — | $0.6336 | $0.5858 |
| Spot | $0.4608 | — | — | — |
| 1y Std RI NU | $0.2903 | — | $0.4631 | $0.3503 |
| 1y Std RI PU | $0.2764 | — | $0.4492 | $0.3364 |
| 1y Std RI AU | $0.2710 | — | $0.4437 | $0.3309 |
| 3y Std RI NU | $0.1991 | — | $0.3719 | $0.2531 |
| 3y Std RI PU | $0.1844 | — | $0.3572 | $0.2383 |
| 3y Std RI AU | $0.1732 | — | $0.3460 | $0.2272 |
| 1y Conv RI NU | $0.3623 | — | $0.5351 | $0.4223 |
| 3y Conv RI NU | $0.2723 | — | $0.4451 | $0.3263 |
| 1y Compute SP NU | $0.3623 | — | $0.5351 | $0.4222 |
| 3y Compute SP NU | $0.2723 | — | $0.4451 | $0.3263 |
| 1y EC2 SP NU | $0.2903 | — | $0.4631 | $0.3502 |
| 3y EC2 SP NU | $0.1991 | — | $0.3719 | $0.2531 |
Spot by AZ (7-day p50, Linux): eu-west-1b $0.4608 · eu-west-1c $0.4608
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 EU (Ireland).
Cheapest regions for a1.4xlarge
| Region | On-Demand $/h | vs eu-west-1 | Saves / mo |
|---|---|---|---|
| Asia Pacific (Mumbai) ap-south-1 | $0.4080 | -11% | $39 |
| US East (N. Virginia) us-east-1 | $0.4080 | -11% | $39 |
| US East (Ohio) us-east-2 | $0.4080 | -11% | $39 |
| US West (Oregon) us-west-2 | $0.4080 | -11% | $39 |
| EU (Ireland) eu-west-1 | $0.4608 | current | — |
| EU (Frankfurt) eu-central-1 | $0.4656 | +1% | $-4 |
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 | $0.4608 | — | $0.2903 | $0.1991 | $0.4608 |
All attributes
- vCPU
- 16
- Cores / threads per core
- 16 / 1
- Memory
- 32 GiB
- Memory per vCPU
- 2.00 GiB
- Processor
- AWS Graviton Processor
- Architecture
- arm64
- Sustained clock
- 2.3 GHz
- Hypervisor
- nitro
- Generation
- Previous
- Burstable
- No
- Bare metal
- No
- Free tier eligible
- No
- Network performance
- Up to 10 Gigabit
- Network baseline / burst
- 5.0 / 10.0 Gbps
- Max ENIs × IPv4 per ENI
- 8 × 30
- IPv6 / ENA / EFA
- IPv6 / ENA / —
- EBS optimized
- Yes
- EBS bandwidth (baseline / max)
- 3500 / 3500 Mbps
- EBS IOPS (baseline / max)
- 20,000 / 20000
- EBS NVMe
- required
- Instance storage
- EBS only
- GPU
- —
- Placement groups
- cluster, partition, spread
- Hibernation / Nitro Enclaves
- No / No
- Dedicated hosts
- Supported
- Boot modes
- uefi
- Spot supported
- Yes
Public AWS list prices (USD), refreshed nightly (catalog 2026-10-15). 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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