---
product_id: 248968064
title: "NF-A4x20 FLX Premium-Quality Quiet 40mm Fan"
brand: "noctua"
price: "AR$117149"
currency: ARS
in_stock: true
category: "Noctua"
url: https://www.desertcart.com.ar/products/248968064-nf-a4x20-flx-premium-quality-quiet-40mm-fan
store_origin: AR
region: Argentina
---

# NF-A4x20 FLX Premium-Quality Quiet 40mm Fan

**Brand:** noctua
**Price:** AR$117149
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** NF-A4x20 FLX Premium-Quality Quiet 40mm Fan by noctua
- **How much does it cost?** AR$117149 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/248968064-nf-a4x20-flx-premium-quality-quiet-40mm-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

## Description

Noctua NF-A4x20 FLX Premium-Quality Quiet 40mm Fan : desertcart.in: Computers & Accessories

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B072JK9GX6 |
| Air Flow Capacity | 9.4 Cubic Meters Per Hour |
| Best Sellers Rank | #64,364 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #322 in Case Fans |
| Brand Name | Noctua |
| Compatible Devices | Desktop, Server, Router, Switch |
| Cooling Method | Air |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,381) |
| Manufacturer | Noctua |
| Max Rotational Speed | 2000 RPM |
| Model Number | NF-A4x20 FLX |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NF-A4x20 FLX |
| Power Connector Type | 4-Pin |
| UPC | 841500110116 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Noctua
- **Compatible Devices:** Desktop, Server, Router, Switch
- **Cooling Method:** Air
- **Power Connector Type:** 4-Pin
- **Voltage:** 12 Volts

## Images

![NF-A4x20 FLX Premium-Quality Quiet 40mm Fan - Image 1](https://m.media-amazon.com/images/I/41ErcWMfUuL.jpg)
![NF-A4x20 FLX Premium-Quality Quiet 40mm Fan - Image 2](https://m.media-amazon.com/images/I/41EMb3tHSyL.jpg)
![NF-A4x20 FLX Premium-Quality Quiet 40mm Fan - Image 3](https://m.media-amazon.com/images/I/41ho2AGquYL.jpg)
![NF-A4x20 FLX Premium-Quality Quiet 40mm Fan - Image 4](https://m.media-amazon.com/images/I/41gy8bJ+OmL.jpg)
![NF-A4x20 FLX Premium-Quality Quiet 40mm Fan - Image 5](https://m.media-amazon.com/images/I/31X2wDNrNIL.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

## 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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**Shop now:** [https://www.desertcart.com.ar/products/248968064-nf-a4x20-flx-premium-quality-quiet-40mm-fan](https://www.desertcart.com.ar/products/248968064-nf-a4x20-flx-premium-quality-quiet-40mm-fan)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-20*