---
product_id: 43512932
title: "NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm"
brand: "noctua"
price: "22720CFA"
currency: XOF
in_stock: true
category: "Noctua"
url: https://www.desertcart.sn/products/43512932-nf-a4x20-5v-pwm-high-performance-quiet-fan-40mm
store_origin: SN
region: Senegal
---

# >150,000 hours MTTF reliability 5000 RPM max speed Ultra-quiet 14.9 dB(A) NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm

**Brand:** noctua
**Price:** 22720CFA
**Availability:** ✅ In Stock

## Summary

> 🌀 Cool your tech, not your vibe — silent power in a compact package!

## Quick Answers

- **What is this?** NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm by noctua
- **How much does it cost?** 22720CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/43512932-nf-a4x20-5v-pwm-high-performance-quiet-fan-40mm)

## Best For

- noctua enthusiasts

## Why This Product

- Trusted noctua brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Engineered with premium materials and backed by a 6-year warranty for long-term peace of mind.
- • **Smart PWM Control:** 4-pin PWM lets you dynamically adjust fan speed for optimal cooling and energy efficiency.
- • **Whisper-Quiet Power:** Experience high airflow without the noise—perfect for focused work or serene environments.
- • **Compact Precision Fit:** 40x40x20mm size tailored for NVIDIA Jetson Nano, 1U servers, and tight spaces in network gear.
- • **Vibration-Free Operation:** Includes anti-vibration mounts and OmniJoin adaptor for seamless, silent integration.

## Overview

The Noctua NF-A4x20 5V PWM is a premium 40mm high-performance fan designed for ultra-quiet, efficient cooling in compact electronics like NVIDIA Jetson Nano and network devices. Featuring a max speed of 5000 RPM, advanced acoustic optimization, and over 150,000 hours of reliability, it ensures silent, vibration-free operation with smart PWM control and a 6-year warranty.

## Description

Buy Noctua NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm | High Airflow Low Noise, 5V, 20mm Thick Fan, for Ventilation and Electronics Cooling, With OmniJoin Adaptor, 5000rpm 4-Pin PWM: Case Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Premium quiet fan, 40x40x20 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 14.9 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
- 40x20mm size ideal for NVIDIA Jetson Nano, 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 5V 4-pin PWM version (5000rpm maximum speed) for 5V applications with PWM control
- Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071FNHVXN |
| Best Sellers Rank | #181 in Computer Case Fans |
| Brand | Noctua |
| Brand Name | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Customer Reviews | 4.8 out of 5 stars 966 Reviews |
| Global Trade Identification Number | 09010018100136 |
| Item Dimensions L x W x H | 1.57"L x 0.79"W x 1.57"H |
| Item Highlight | High Airflow Low Noise, 5V, 20mm Thick Fan, for Ventilation and Electronics Cooling, With OmniJoin Adaptor, 5000rpm 4-Pin PWM |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 rpm |
| Model | NF-A4x205VPWM |
| Noise Level | 14.9 db |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NF-A4x20 5V PWM |
| Power Connector Type | 4-Pin |
| Product Dimensions | 1.57"L x 0.79"W x 1.57"H |
| Unit Count | 1 Count |
| Voltage | 5 volts |
| Warranty Description | 6 year manufacturer’s warranty |

## Product Details

- **Brand:** Noctua
- **Compatible Devices:** Desktop
- **Cooling Method:** Air
- **Material:** Fibre-glass reinforced PBT
- **Maximum Rotational Speed:** 5000 rpm
- **Noise Level:** 14.9 db
- **Power Connector Type:** 4-Pin
- **Product Dimensions:** 1.57"L x 0.79"W x 1.57"H
- **Voltage:** 5 volts

## Images

![NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)
![NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm - Image 2](https://m.media-amazon.com/images/I/71hrcJhq7BL.jpg)
![NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm - Image 3](https://m.media-amazon.com/images/I/81LqMRpLO2L.jpg)
![NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm - Image 4](https://m.media-amazon.com/images/I/81abh0+LmWL.jpg)
![NF-A4x20 5V PWM, High-Performance Quiet Fan 40mm - Image 5](https://m.media-amazon.com/images/I/71WxE+WP+2L.jpg)

## Questions & Answers

**Q: what is the cfm rating?**
A: 5.532631039983588 CFM

**Q: Can these be wired to a usb connector and run off a usb wall charger?**
A: Yes. I run mine off of the gpio pins on a raspberry pi. That's the same concept.

**Q: Does this noctua nf-a4x20 5v pwm premium-quality quiet 40mm fan come with the mounting screws?**
A: Yes, it comes with screws a couple of different connectors for attaching it to 3 and 4 pin connections also some rubbery plug things to pull through the mount holes.

**Q: Can a 3.3v PWM signal be used to control fan speed?**
A: Yes, a 3.3V logic (PWM) signal will control this fan.  I use an Arduino DUE board to control this fan.  The DUE puts out 3.3V logic signals.

## Frequently Bought Together

- Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)
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**Shop now:** [https://www.desertcart.sn/products/43512932-nf-a4x20-5v-pwm-high-performance-quiet-fan-40mm](https://www.desertcart.sn/products/43512932-nf-a4x20-5v-pwm-high-performance-quiet-fan-40mm)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-09-12*