---
product_id: 93385299
title: "Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)"
brand: "noctua"
price: "496 Lei"
currency: RON
in_stock: false
reviews_count: 1
url: https://www.desertcart.ro/products/93385299-noctua-nf-a4x20-flx-computer-case-fan-cooling-components-computer
store_origin: RO
region: Romania
---

# 4400 RPM max speed 14.9 dB ultra-quiet 9.4 m³/h airflow Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)

**Brand:** noctua
**Price:** 496 Lei
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Stay cool, stay ahead — silent power in a compact frame!

## Quick Answers

- **What is this?** Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) by noctua
- **How much does it cost?** 496 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/93385299-noctua-nf-a4x20-flx-computer-case-fan-cooling-components-computer)

## 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

- • **Turbo Airflow:** Delivers 9.4 cubic meters per hour for efficient heat dissipation
- • **Compact Powerhouse:** 40x40x20mm size fits tight 1U spaces and network gear seamlessly
- • **Whisper-Quiet Cooling:** Advanced acoustic optimization keeps noise at a barely-there 14.9 dB
- • **Trusted Brand Excellence:** Noctua’s award-winning A-series design ensures premium reliability and performance
- • **All-Inclusive Mounting Kit:** Comes with anti-vibration mounts, screws, extension cable, and Omnijoin adapter for effortless installation

## Overview

The Noctua NF-A4x20 FLX is a premium 40mm computer case fan engineered for tight spaces like 1U servers and network devices. It features a max speed of 4400 RPM, delivering 9.4 m³/h airflow while maintaining an ultra-quiet 14.9 dB noise level. Equipped with anti-vibration mounts and a full accessory kit, it ensures easy, vibration-free installation. Trusted by professionals, this fan combines award-winning aerodynamic design with reliable, silent cooling performance.

## Description

1

Review: Just received fan box open and used condition - Just received order supposed to be brand new and seal was broken boxes flap looked like it had been opened and fan is not facing the display boxes opening at front. it’s upside down and the anti vibration mount is bent out of pack and looks damaged

## Features

- Noctua Nf A4X20 Flx Computer Case Fan Computer Cooling Components Computer Case Fan 4Cm 3700Rpm 5000Rpm 4400Rpm
- Award Winning A Series Design With Flow Acceleration Channels And Advanced Acoustic Optimization Frame For Superior, Quiet Cooling Performance
- Brand: Noctua
- 40X20Mm Size, Ideal For 1U Applications Or Replacing Fans In Network And Storage Devices, Routers, Switches, Nas, Etc. Or Other Devices Such As Dvr.
- Includes Anti Vibration Mounts, Fan Screws, Extension Cable, And Omnijoin Adapter Set To Connect The Fan To Proprietary Fan Strips.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B072JK9GX6 |
| Air Flow Capacity | 9.4 Cubic Metres Per Hour |
| Best Sellers Rank | 76,356 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 845 in Thermal Management Products 1,264 in Fans & Cooling |
| Brand | Noctua |
| Compatible Devices | Desktop, Server, Router, Switch |
| Compatible devices | Desktop, Server, Router, Switch |
| Cooling Method | Air |
| Cooling method | Air |
| Customer Reviews | 4.8 out of 5 stars 2,361 Reviews |
| Included Components | 1 |
| Item Dimensions L x W x H | 40L x 40W x 20H millimetres |
| Manufacturer | Noctua |
| Material | Plastic |
| Max Rotational Speed | 4400 RPM |
| Noise Level | 14.9 Decibels |
| Power Connector Type | 3-Pin |
| Power connector type | 3-Pin |
| Product dimensions | 40L x 40W x 20H millimetres |
| UPC | 841500110116 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |

## Product Details

- **Product dimensions:** 40L x 40W x 20H millimetres
- **Brand:** Noctua
- **Power connector type:** 3-Pin
- **Voltage:** 12 Volts
- **Cooling method:** Air
- **Compatible devices:** Desktop, Server, Router, Switch
- **Noise level:** 14.9 Decibels
- **Material:** Plastic
- **Maximum rotational speed:** 4400 RPM
- **Air flow capacity:** 9.4 Cubic Metres Per Hour

## Images

![Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)
![Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) - Image 2](https://m.media-amazon.com/images/I/81abh0+LmWL.jpg)
![Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) - Image 3](https://m.media-amazon.com/images/I/71NYZ3JQcOL.jpg)
![Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) - Image 4](https://m.media-amazon.com/images/I/71Ywc8LceeL.jpg)
![Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM) - Image 5](https://m.media-amazon.com/images/I/61xqdXxj1uL.jpg)

## Questions & Answers

**Q: Whats the cfm of this fan?**
A: The output, converted from 9.4 m3/h is just 5.5 cfm, very low indeed.

**Q: 14.9dba at what speed?**
A: 5000rpm.

**Q: How many dB is this fan?**
A: 14.9db(a)

**Q: What is the mtbf. How many hours of life can I expect from one of these?**
A: Not sure about the Mtbf, but i purchased 2 of this in Jan 2020, and they have been running 24/7 till now with no problems. Installed them in my 2 poe+ switches

## Customer Reviews

### ⭐ Just received fan box open and used condition
*by T***N on 2 December 2024*

Just received order supposed to be brand new and seal was broken boxes flap looked like it had been opened and fan is not facing the display boxes opening at front. it’s upside down and the anti vibration mount is bent out of pack and looks damaged

## Frequently Bought Together

- Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)
- Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
- Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-04*