---
product_id: 681229496
title: "12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator"
brand: "gebildet"
price: "80 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Gebildet"
url: https://www.desertcart.ro/products/681229496-12v-voltage-step-up-usb-to-3-pin-and-4
store_origin: RO
region: Romania
---

# 12V step-up voltage boost USB Type-A powered convenience Integrated speed regulator & switch 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator

**Brand:** gebildet
**Price:** 80 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Boost your cooling game with smart USB power control!

## Quick Answers

- **What is this?** 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator by gebildet
- **How much does it cost?** 80 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/681229496-12v-voltage-step-up-usb-to-3-pin-and-4)

## Best For

- gebildet enthusiasts

## Why This Product

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

## Key Features

- • **Revive & Repurpose:** Breathe new life into old fans and test components with a versatile, plug-and-play adapter.
- • **Compact & Sleek Design:** 32cm sleeved cable with durable PVC insulation for a clean, professional setup.
- • **Universal Compatibility:** Works seamlessly with a wide range of electronics — from PC fans to consoles and networking gear.
- • **Precision Cooling Control:** Built-in speed regulator and switch let you dial in perfect airflow effortlessly.
- • **Power Up Your Fans Anywhere:** Transforms any USB port into a 12V power source for 3-pin & 4-pin PC fans.

## Overview

This 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Adapter Cable by Gebildet converts standard 5V USB power into a robust 12V output at 0.4A, enabling full-speed operation of computer fans. Featuring an integrated speed regulator and on/off switch, it offers precise airflow control in a compact 32cm sleeved cable. Ideal for powering and testing PC fans and other USB-powered electronics, it’s a must-have for tech professionals seeking efficient, flexible cooling solutions.

## Description

Specification: 【Product name】: 5V to 12V USB interface computer fan adapter cable 【Product length】: 32cm 【Wire Model】: 2464 22AWG 【insulation material】: PVC insulation 【conductor specification】: 17*0.14TS 【conductor material】: tinned copper 【Outer diameter of wire】: OD3.5mm 【Input voltage】: 5V 【Output voltage】: 5~12V 【Rated Power】: 11 W (watts) 【Product weight】: 32cm 14g 【Product interface】: One end USB 5V input, the other end computer fan 4Pin output 【Product function】: Change the chassis fan and CPU fan to USB interface for power supply

Review: Excellent tool - Works great. Have used it for a while now and for multiple set ups from testing pc components, running a fan on my desk, or using it to test automotive electrical components.
Review: Ease of use. - Works great! I can finally make use of my old fans after I upgraded them.

## Features

- Middle part control modual combine 5-12V voltage step up and switch and speed Regulator, it is very easy for to control the fan
- This USB adapter cable allows you to power most 3-pin and 4-pin computer fans from a USB type A port.
- Cool down a wide variety of electronics devices that output USB power once powered on (consoles, networking applicances, professional equipment, etc.)
- 12V voltage step-up circuit: Inside the USB housing is a voltage boost circuit that takes 5V and outputs up to 12V 0.4A for full power operation. Additional devices such as fan hubs and speed controller can also be used.
- Total cable length (including connectors): 32cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DDT78NTK |
| Best Sellers Rank | #1,278 in USB Cables |
| Brand | Gebildet |
| Cable Type | USB |
| Color | Black |
| Compatible Amazon Tablet Models | Amazon Fire 5th Generation, Amazon Fire 7 5th Generation, Amazon Fire 7 7th Generation, Amazon Fire 7 9th Generation, Amazon Fire 7 Kids 5th Generation, Amazon Fire 7 Kids 7th Generation, Amazon Fire 7 Kids 9th Generation, Amazon Fire HD 10 5th Generation, Amazon Fire HD 7 4th Generation, Amazon Fire HD 8 5th Generation, Amazon Fire HD 8 6th Generation, Amazon Fire HD 8 7th Generation, Amazon Fire… |
| Compatible Devices | Computer Fan, Electronics Device with USB Power Output |
| Compatible Phone Models | Potentially compatible with smartphones, specific models unknown |
| Connector Gender | Male-to-Female |
| Connector Type | USB Type A |
| Date First Available | August 21, 2024 |
| Indoor/Outdoor Usage | Indoor |
| Item Length | 32 Centimeters |
| Item Weight | 0.705 ounces |
| Item model number | E1445 |
| Manufacturer | Gebildet |
| Maximum Voltage | 12 Volts |
| Number of Pins | 4 |
| Recommended Uses For Product | Powering and controlling computer fans, cooling down USB-powered devices |
| Special Feature | Data Transfer |
| Unit Count | 20.0 Grams |
| Wattage | 11 watts |

## Product Details

- **Brand:** Gebildet
- **Cable Type:** USB
- **Compatible Devices:** Computer Fan, Electronics Device with USB Power Output
- **Connector Type:** USB Type A
- **Special Feature:** Data Transfer

## Images

![12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator - Image 1](https://m.media-amazon.com/images/I/21+zQb5VkgL.jpg)
![12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator - Image 2](https://m.media-amazon.com/images/I/31OVGx-fUwL.jpg)
![12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator - Image 3](https://m.media-amazon.com/images/I/31Rv1giwVSL.jpg)
![12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator - Image 4](https://m.media-amazon.com/images/I/31SJv0CDAHL.jpg)
![12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable with Switch and Speed Regulator - Image 5](https://m.media-amazon.com/images/I/31ecBU+csZL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent tool
*by B***N on December 1, 2025*

Works great. Have used it for a while now and for multiple set ups from testing pc components, running a fan on my desk, or using it to test automotive electrical components.

### ⭐⭐⭐⭐⭐ Ease of use.
*by T***T on October 3, 2025*

Works great! I can finally make use of my old fans after I upgraded them.

### ⭐⭐⭐⭐ Works for me
*by A***E on January 3, 2026*

Works for cooling my small 10" homelab rack. Used a USB power brick and a Noctua fan. Can barely hear it. I haven't had any issues with melting or it getting hot. Has an on/off switch and a potentiometer to adjust the fan speed. Easy peasy.

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-03*