---
product_id: 257612024
title: "Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020"
brand: "wathai"
price: "104.37 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/257612024-wathai-40mm-x-20mm-12v-dual-ball-bearing-dc-brushless
store_origin: TN
region: Tunisia
---

# 50,000 hrs dual ball bearing lifespan 12V brushless power 6000 RPM high-speed airflow Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020

**Brand:** wathai
**Price:** 104.37 DT
**Availability:** ✅ In Stock

## Summary

> 🌀 Stay cool, stay ahead — power your gear with precision airflow!

## Quick Answers

- **What is this?** Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 by wathai
- **How much does it cost?** 104.37 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/257612024-wathai-40mm-x-20mm-12v-dual-ball-bearing-dc-brushless)

## Best For

- wathai enthusiasts

## Why This Product

- Trusted wathai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Dual ball bearing design ensures up to 50,000 hours of reliable operation
- • **Turbo Airflow:** Delivers 7.85 CFM to keep your devices running cool under pressure
- • **Plug & Play Ready:** 2-pin XH2.54 connector with 20cm cable for easy installation
- • **Compact Powerhouse:** 40x40x20mm size fits seamlessly into tight tech setups
- • **Whisper-Quiet Cooling:** Operates at just 26dBA for distraction-free performance

## Overview

The Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan is engineered for efficient, quiet cooling in compact electronic devices. With a robust 6000 RPM speed and 7.85 CFM airflow, it ensures optimal thermal management for inverters, PSUs, 3D printers, and more. Its durable dual ball bearing system guarantees up to 50,000 hours of continuous operation, making it a reliable upgrade for professionals demanding performance and longevity.

## Features

- 40x20mm size fan for replacing fans in inverter and storage equipmentcs such as PSU，battery charger, 3D printer, switches, NAS , DVRs etc
- The 40mm DC brushless fan operates at 12V, ideal for cooling electronic equipment. This compact 40x40x20 12V fan ensures efficient cooling for various electronics, making it a reliable choice for 12V cooling needs
- Dual ball bearing providing reliable performance for prolonged periods with a lifespan of 50,000 hours
- Rated Voltage:12V 0.05A; Speed: 6000RPM; Air flow: 7.85CFM; Noise:26dBA; Connecter: XH2.54-2Pin; Cable Length: 20cm Or 8 inche
- 1 Piece fan and mounting screws & nuts; Dimension: 40mm(L) x 40mm(W) x 20mm(H) / 1.58x1.58x0.79 in. per fan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PYWVPMY |
| Air Flow Capacity | 7.85 Cubic Feet Per Minute |
| Best Sellers Rank | #81,999 in Computers ( See Top 100 in Computers ) #692 in Computer Case Fans |
| Brand | Wathai |
| Brand Name | Wathai |
| Compatible Devices | Amplifier, Desktop, Gaming Console, Printer, Projector |
| Compatible devices | Amplifier, Desktop, Gaming Console, Printer, Projector |
| Cooling Method | fan cooling |
| Cooling method | fan cooling |
| Customer Reviews | 4.5 out of 5 stars 253 Reviews |
| Item Dimensions L x W x H | 40L x 40W x 20H millimeters |
| Item Weight | 0.78 Ounces |
| Manufacturer | Wathai |
| Material Type | Plastic |
| Maximum Rotational Speed | 6000 RPM |
| Model | 4020B12V2P2.5 |
| Noise Level | 26 Decibels |
| Number of Items | 1 |
| Part Number | 4020B12V2P2.5 |
| Power Connector Type | 2-Pin |
| Power connector type | 2-Pin |
| Product dimensions | 40L x 40W x 20H millimeters |
| UPC | 702334356395 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts (DC) |

## Product Details

- **Brand:** Wathai
- **Cooling method:** fan cooling
- **Power connector type:** 2-Pin
- **Product dimensions:** 40L x 40W x 20H millimeters
- **Voltage:** 12 Volts (DC)

## Images

![Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 - Image 1](https://m.media-amazon.com/images/I/61hfGa4JKqL.jpg)
![Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 - Image 2](https://m.media-amazon.com/images/I/71uuSV4Lf+L.jpg)
![Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 - Image 3](https://m.media-amazon.com/images/I/71Q8Bp-iroL.jpg)
![Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 - Image 4](https://m.media-amazon.com/images/I/71m01FFpIqL.jpg)
![Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan 2pin 4020 - Image 5](https://m.media-amazon.com/images/I/71O+eNucSaL.jpg)

## Available Options

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

## Frequently Bought Together

- Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling
- Coolerguys 12v Ultra Quiet Fan for Pi Devices, 3D Printers, and Microelectronics (40x20mm)
- Noctua NF-A4x20 FLX Computer Case Fan - Computer Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)

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**Shop now:** [https://www.desertcart.tn/products/257612024-wathai-40mm-x-20mm-12v-dual-ball-bearing-dc-brushless](https://www.desertcart.tn/products/257612024-wathai-40mm-x-20mm-12v-dual-ball-bearing-dc-brushless)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-17*