---
product_id: 258574069
title: "NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)"
brand: "noctua"
price: "197.37 DT"
currency: TND
in_stock: true
category: "Noctua"
url: https://www.desertcart.tn/products/258574069-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin-5v
store_origin: TN
region: Tunisia
---

# 5V power efficiency 4-pin PWM precision control Ultra-quiet 14.9 dB noise level NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)

**Brand:** noctua
**Price:** 197.37 DT
**Availability:** ✅ In Stock

## Summary

> 🌀 Elevate your cooling game with whisper-quiet precision!

## Quick Answers

- **What is this?** NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) by noctua
- **How much does it cost?** 197.37 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/258574069-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin-5v)

## 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:** Over 150,000 hours MTTF backed by a 6-year warranty—reliability that keeps your systems running smoothly.
- • **Compact Powerhouse:** Sized at 40x40x20mm, ideal for tight spaces like NVIDIA Jetson Nano, 1U servers, and network gear upgrades.
- • **Award-Winning Design:** Flow Acceleration Channels and Acoustic Optimisation frame deliver superior airflow and cooling efficiency.
- • **Precision PWM Control:** 4-pin PWM ensures dynamic speed adjustments up to 5000 RPM for optimal cooling without wasting energy.
- • **Whisper-Quiet Cooling:** Experience near-silent airflow at just 14.9 dB, perfect for focused workspaces and noise-sensitive environments.

## Overview

The Noctua NF-A4x20 5V PWM is a premium, ultra-quiet 40x40x20mm fan designed for efficient cooling in compact devices like NVIDIA Jetson Nano and network equipment. Featuring 4-pin PWM control for dynamic speed up to 5000 RPM, it operates at a minimal noise level of 14.9 dB and boasts an impressive lifespan of over 150,000 hours, backed by a 6-year warranty.

## Description

Noctua NF-A4x20 5V PWM, 4-Pin Premium Quiet Fan, 40mm, Brown

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071FNHVXN |
| Best Sellers Rank | #11,890 in Computers ( See Top 100 in Computers ) #66 in Computer Case Fans |
| Brand Name | Noctua |
| Compatible Devices | Desktop, Gaming Console, Laptop, Server |
| Cooling Method | Air |
| Customer Reviews | 4.8 4.8 out of 5 stars (946) |
| Global Trade Identification Number | 09010018100136 |
| Item Dimensions L x W x H | 20L x 40W x 40H millimeters |
| Item Weight | 84 Grams |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 RPM |
| Model | NF-A4x205VPWM |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NF-A4x20 5V PWM |
| Power Connector Type | 4-Pin |
| Unit Count | 1 Count |
| Voltage | 5 Volts |
| Warranty Description | 6 year manufacturer’s warranty |

## Product Details

- **Brand:** Noctua
- **Cooling method:** Air
- **Power connector type:** 4-Pin
- **Product dimensions:** 20L x 40W x 40H millimeters
- **Voltage:** 5 Volts

## Images

![NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## 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)
- Bitaxe Gamma - Solo Satoshi | Made in USA | Power Supply & Stand Included. | ~1.2TH/s @ ~18W | Wi-Fi | Plug and Play Bitcoin Miner.
- Bitaxe Stand - Case and Stand for Fully Open Source Bitcoin Miner Bitaxe

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/258574069-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin-5v](https://www.desertcart.tn/products/258574069-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin-5v)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-21*