# Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown)

- Category: Case Cooler
- Brand: Noctua
- Model: NF-A9 
- Part number: Noctua NF-A9 PWM
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.9/5 from 993 Amazon reviews
- Warranty: 6 years
- Product page: https://buildmypc.net/component-details/case-cooler/noctua-noctua-nf-a9-pwm/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Noctua |
| Model | NF-A9  |
| FAN RPM | 400 to 2000 RPM |
| Noise Level | 16.3 to 22.8 dBA |
| Airflow | 36.84 to 46.44 CFM |

## Key Features

- Premium quiet fan, 92x92x25 mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.8 dB(A), >150,000 h MTTF
- Award-winning 92x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal for 9cm CPU coolers (e.g. Noctua NH-U9(S) & NH-D9L series), compact PC cases (HTPC, ITX, Small Form Factor), replacement fan for NAS and other devices, etc.
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 400-2000rpm speed range (1550rpm max. with supplied Low-Noise Adaptor)
- Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header

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