---
product_id: 348991265
title: "Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler"
brand: "noctua"
price: "€ 1.46"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan
store_origin: PT
region: Portugal
---

# 5000 RPM high-speed spin Ultra-quiet 14.9 dB noise level 3-pin connector with 50cm cable reach Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler

**Brand:** noctua
**Price:** € 1.46
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Cool your tech, not your style — silent power in a compact package!

## Quick Answers

- **What is this?** Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler by noctua
- **How much does it cost?** € 1.46 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan)

## 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 6 Years:** Backed by Noctua’s industry-leading warranty, ensuring reliability and peace of mind.
- • **Whisper-Quiet Operation:** At just 14.9 dB, this fan cools without cramping your focus or workspace vibe.
- • **Extended Reach Flexibility:** Includes a 20cm cable plus 30cm extension for seamless installation in any setup.
- • **Turbocharged Cooling Power:** Experience blistering 5000 RPM airflow that keeps your rig chill under pressure.
- • **Advanced Acoustic Optimization:** AAO frame and Flow Acceleration Channels deliver peak performance with minimal noise.

## Overview

The Noctua NF-A4x20 FLX is a premium 40x40x20mm case fan designed for high-performance cooling with a maximum speed of 5000 RPM. Featuring a 3-pin connector and a combined 50cm cable length for flexible installation, it operates at an ultra-low noise level of 14.9 dB thanks to its Advanced Acoustic Optimization frame and Flow Acceleration Channels. This compact, lightweight fan is built for durability with a 6-year warranty, making it an ideal choice for professionals seeking efficient, quiet cooling solutions in tight spaces.

## Description

Full description not available

## Features

- Connector & pin- configuration : 3-pin I Rotational speed : 5000 RPM
- Cable length : 20cm + 30cm NA-EC1 extension cable I Low-Noise Adaptor (L.N.A.)
- Frame technology : AAO (Advanced Acoustic Optimisation) I Blade geometry : A-Series with Flow Acceleration Channels
- Max. input power : 0,6 W I Operating voltage : 12 V
- 6 Year Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Noctua |
| Power Connector Type | 3-Pin |
| Voltage | 12 Volts |
| Cooling Method | Fan |
| Compatible Devices | Desktop, Laptop |
| Noise Level | 14.9 Decibels |
| Maximum Rotational Speed | 5000 RPM |
| Global Trade Identification Number | 09010018100112 |
| Manufacturer | Noctua, Rascom Computerdistribution Ges.m.b.H. Huttengasse 71-75 A-1160 Wien Austria |
| Number of Items | 1 |
| Item Height | 20 Millimeters |
| Item Width | 40 Millimeters |
| Product Dimensions | 4 x 4 x 2 cm; 50 g |
| Item model number | NF-A4x20 FLX |
| Are Batteries Included | No |
| Included Components | Case Fan |
| Manufacturer | Noctua |
| Item Weight | 50 g |

## Product Details

- **Brand:** Noctua
- **Power Connector Type:** 3-Pin
- **Voltage:** 12 Volts
- **Cooling Method:** Fan
- **Compatible Devices:** Desktop, Laptop

## Images

![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)
![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 2](https://m.media-amazon.com/images/I/81abh0+LmWL.jpg)
![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 3](https://m.media-amazon.com/images/I/71NYZ3JQcOL.jpg)
![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 4](https://m.media-amazon.com/images/I/71Ywc8LceeL.jpg)
![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 5](https://m.media-amazon.com/images/I/61xqdXxj1uL.jpg)

## Available Options

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

## Frequently Bought Together

- Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown)
- Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)

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**Shop now:** [https://www.desertcart.pt/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan](https://www.desertcart.pt/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-07*