# Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

- Category: Case Cooler
- Brand: Noctua
- Model: A4x10
- Part number: NF-A4x10 PWM
- Price (US): $15.95
- Price last checked: 2026-08-06
- Rating: 4.8/5 from 813 Amazon reviews
- Warranty: 6 years
- Product page: https://buildmypc.net/component-details/case-cooler/noctua-a4x10-nf-a4x10-pwm/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Noctua |
| Model | A4x10 |
| FAN RPM | 5000 RPM |
| Noise Level | 19.6 dBA |
| Airflow | 5.24 CFM |

## Key Features

- Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >150,000 h MTTF
- Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- 40x10mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 1000-5000rpm speed range (3700rpm max. with supplied Low-Noise Adaptor)
- Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers

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