---
product_id: 348991265
title: "Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler"
brand: "noctua"
price: "328 Lei"
currency: RON
in_stock: false
reviews_count: 13
category: "Noctua"
url: https://www.desertcart.ro/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan
store_origin: RO
region: Romania
---

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

**Brand:** noctua
**Price:** 328 Lei
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Cool your tech, not your vibe — stay chill with Noctua NF-A4x20!

## Quick Answers

- **What is this?** Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler by noctua
- **How much does it cost?** 328 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/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:** Industry-leading 6-year warranty ensures long-term reliability
- • **Plug & Play Flexibility:** 3-pin connector with extended 50cm cable for versatile setups
- • **Whisper-Quiet Operation:** Near-silent 14.9 dB noise level for distraction-free focus
- • **Turbocharged Cooling Power:** Blazing 5000 RPM keeps your rig frostily efficient
- • **Advanced Acoustic Optimization:** AAO frame and Flow Acceleration Channels for peak airflow with minimal noise

## Overview

The Noctua NF-A4x20 is a compact 40x40x20mm case fan engineered for high-performance cooling with a rapid 5000 RPM speed and ultra-quiet 14.9 dB operation. Featuring advanced acoustic optimization and a flexible 3-pin connector with extended cabling, it delivers efficient airflow while maintaining whisper-quiet noise levels. Backed by a 6-year warranty, this fan is a durable, premium choice for professionals seeking reliable, silent cooling solutions.

## Description

Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler : desertcart.in: Computers & Accessories

Review: Silent and durable cooling fan - One if not the best engineered cooling fan one can buy today. Bought this to augment the stock NOCTUA heatsink installed in my computer. Works silently and I see a reduction of almost 2 degrees cpu temperature. Highly recommended.
Review: Amazing Fans!!! - Installed two of these on my graphics card. It astonishingly reduced temps of my PC by atleast 20-30 degrees. Huge improvement. Well worth the cost. Thinking of changing all the fans to Noctua!!

## 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 |
|---------------|-------|
| ASIN | B071J8CZP9 |
| Are Batteries Included | No |
| Best Sellers Rank | #26,841 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #106 in Case Fans |
| Brand | Noctua |
| Compatible Devices | Desktop, Laptop |
| Cooling Method | Fan |
| Country of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (28,843) |
| Date First Available | 3 June 2017 |
| Generic Name | Case Fan |
| Global Trade Identification Number | 09010018100112 |
| Importer | Acro Engineering Company, Z-41, Sanjay Colony II, Pocket Y, Sanjay Colony, Okhla Phase II, Okhla Industrial Estate, New Delhi, Delhi 110020 |
| Included Components | Case Fan |
| Item Dimensions LxWxH | 40 x 40 x 20 Millimeters |
| Item Height | 20 Millimeters |
| Item Weight | 1 g |
| Item Width | 40 Millimeters |
| Item model number | NF-A4x20 FLX |
| Manufacturer | Noctua |
| Maximum Rotational Speed | 5000 RPM |
| Net Quantity | 1 Count |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Packer | Rascom Computerdistribution Ges.m.b.H. Huttengasse 71-75 A-1160 Wien Austria |
| Power Connector Type | 3-Pin |
| Product Dimensions | 4 x 4 x 2 cm; 1 g |
| Voltage | 12 Volts |

## Product Details

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

## 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Silent and durable cooling fan
*by P***N on 22 April 2025*

One if not the best engineered cooling fan one can buy today. Bought this to augment the stock NOCTUA heatsink installed in my computer. Works silently and I see a reduction of almost 2 degrees cpu temperature. Highly recommended.

### ⭐⭐⭐⭐⭐ Amazing Fans!!!
*by P***R on 25 August 2024*

Installed two of these on my graphics card. It astonishingly reduced temps of my PC by atleast 20-30 degrees. Huge improvement. Well worth the cost. Thinking of changing all the fans to Noctua!!

### ⭐⭐⭐⭐⭐ Silent, good performance
*by C***X on 16 September 2023*

no noise problem at higher rpms, overall great performance, 2-3 degree cooler temps when used on heat sinks.

## 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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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-13*