---
product_id: 46683114
title: "Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm"
brand: "noctua"
price: "22597CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Noctua"
url: https://www.desertcart.sn/products/46683114-noctua-nf-a4x20-5v-high-performance-quiet-fan-40mm
store_origin: SN
region: Senegal
---

# Ultra-quiet 14.9 dB noise level 5000 RPM high-speed precision 150,000+ hours MTTF durability Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm

**Brand:** noctua
**Price:** 22597CFA
**Availability:** ✅ In Stock

## Summary

> ❄️ Cool your gear, not your vibe — silent power in a compact package!

## Quick Answers

- **What is this?** Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm by noctua
- **How much does it cost?** 22597CFA 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/46683114-noctua-nf-a4x20-5v-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

- • **5V 3-Pin Versatility:** Seamlessly integrates with 5V industrial setups and proprietary fan headers using the included OmniJoin adaptor.
- • **Whisper-Quiet Powerhouse:** Experience premium airflow at a barely-there 14.9 dB—your devices stay cool without the noise.
- • **Award-Winning Engineering:** Benefit from Noctua’s advanced Flow Acceleration Channels and Acoustic Optimisation for unmatched cooling efficiency.
- • **Compact 40x40x20 mm Design:** Perfectly sized for 1U servers, routers, NAS, and tight industrial spaces where every millimeter counts.
- • **Anti-Vibration Mounts Included:** Reduce noise and extend fan life with vibration-dampening mounts and easy installation accessories.

## Overview

The Noctua NF-A4x20 5V is a high-performance, ultra-quiet 40mm fan engineered for professional-grade cooling in compact devices. Operating at 5000 RPM with a noise level of just 14.9 dB, it delivers reliable airflow optimized by award-winning aerodynamic design. Its 5V 3-pin compatibility, anti-vibration mounts, and OmniJoin adaptor make it the go-to choice for upgrading network equipment, servers, and industrial electronics, backed by a 6-year warranty and over 150,000 hours of mean time to failure.

## Description

Buy Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm | High Airflow Low Noise, 5V, 20mm Thick Fan, for Ventilation and Electronics Cooling, With OmniJoin Adaptor, 5000rpm 3-Pin: Case Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good airflow, quiet, omnijoin adapter is good, overkill box - I used the noctua fan to replace a loud fan in a network switch. The OmniJoin adapter that was included was easily usable and works well. I had to use the anti-vibration fan connectors because the previous fan screw holes were smaller than the noctua fan screw holes. The anti-vibration fan connectors were installed and trimmed, but the network switch case didn't fit properly over the anti-vibration fan connectors. It had to be shoved on, but it worked out. The fan moves a good amount of air, but not as much as the original fan. This is still enough air to keep the switch cool, while being fairly quiet. The fan is still audible (at 5v constant, non-PWM), but I believe this is mostly due to the design of the case, not the fan's fault. The box is a bit overkill and has great presentation, but I would rather the item cost less than have a fancy box. Overall, this is a great product and can make most server gear into home gear. There isn't much for competition of noctua's 40mm quiet fans, so you kind of have to deal with noctua's high prices if you need a quiet 40mm fan.
Review: Quiet and works well. - Very quiet and works great for an NVIDIA K80.

## Features

- Premium quiet fan, 40x40x20 mm, 5V, 3-pin Molex, 5000 RPM, 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 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 5V 3-pin version (5000rpm) for 5V-based industrial applications or replacing 5V fans in various devices
- 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 | B072Q3CMRW |
| Best Sellers Rank | #486 in Computer Case Fans |
| Brand | Noctua |
| Brand Name | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Customer Reviews | 4.8 out of 5 stars 393 Reviews |
| Item Dimensions L x W x H | 1.57"L x 1.57"W x 0.79"H |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 rpm |
| Model | NF-A4x20 5V |
| Noise Level | 14.9 db |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NF-A4x20 5V |
| Power Connector Type | 3-Pin |
| Product Dimensions | 1.57"L x 1.57"W x 0.79"H |
| UPC | 841500110123 |
| 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 Decibels
- **Power Connector Type:** 3-Pin
- **Product Dimensions:** 1.57"L x 1.57"W x 0.79"H
- **UPC:** 841500110123
- **Voltage:** 5 Volts

## Images

![Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)
![Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm - Image 2](https://m.media-amazon.com/images/I/71tPkk5TaXL.jpg)
![Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm - Image 3](https://m.media-amazon.com/images/I/81trIc57WdL.jpg)
![Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm - Image 4](https://m.media-amazon.com/images/I/71+IJ7qyW-L.jpg)
![Noctua NF-A4x20 5V, High-Performance Quiet Fan 40mm - Image 5](https://m.media-amazon.com/images/I/71G5+G0k2+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good airflow, quiet, omnijoin adapter is good, overkill box
*by A***A on April 28, 2020*

I used the noctua fan to replace a loud fan in a network switch. The OmniJoin adapter that was included was easily usable and works well. I had to use the anti-vibration fan connectors because the previous fan screw holes were smaller than the noctua fan screw holes. The anti-vibration fan connectors were installed and trimmed, but the network switch case didn't fit properly over the anti-vibration fan connectors. It had to be shoved on, but it worked out. The fan moves a good amount of air, but not as much as the original fan. This is still enough air to keep the switch cool, while being fairly quiet. The fan is still audible (at 5v constant, non-PWM), but I believe this is mostly due to the design of the case, not the fan's fault. The box is a bit overkill and has great presentation, but I would rather the item cost less than have a fancy box. Overall, this is a great product and can make most server gear into home gear. There isn't much for competition of noctua's 40mm quiet fans, so you kind of have to deal with noctua's high prices if you need a quiet 40mm fan.

### ⭐⭐⭐⭐⭐ Quiet and works well.
*by R***Y on April 5, 2026*

Very quiet and works great for an NVIDIA K80.

### ⭐⭐⭐⭐⭐ Unbelievably quiet and efficient
*by S***D on July 8, 2024*

I was skeptical when the price of this fan as so much more than others, boy was I glad I still purchased it! The quality of this fan compared to others is unmatched. This fan works off of a 5V pin from a raspberry pi, which most others do not. You can barely tell the fan is on when listening to it it is so quiet. My Pi is in a 3D printed case and without the fan reaches 190C within minutes. With the fan, the pi has not exceeded 110C once over the course of months. I can not rave enough about this fan.

## Frequently Bought Together

- Noctua NF-A4x20 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x20mm, Brown)
- Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
- OPSFALCON 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable)

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**Shop now:** [https://www.desertcart.sn/products/46683114-noctua-nf-a4x20-5v-high-performance-quiet-fan-40mm](https://www.desertcart.sn/products/46683114-noctua-nf-a4x20-5v-high-performance-quiet-fan-40mm)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-08-22*