---
product_id: 495167468
title: "CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable"
brand: "crj electronics"
price: "1539895₫"
currency: VND
in_stock: false
reviews_count: 5
category: "Crj Electronics"
url: https://www.desertcart.vn/products/495167468-crj-full-speed-12v-voltage-step-up-usb-to-3
store_origin: VN
region: Vietnam
---

# 12V max voltage boost USB to 3/4-pin versatile Durable braided sleeving CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable

**Brand:** crj electronics
**Price:** 1539895₫
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power your PC fans like a pro — no compromises, just cool vibes.

## Quick Answers

- **What is this?** CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable by crj electronics
- **How much does it cost?** 1539895₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/495167468-crj-full-speed-12v-voltage-step-up-usb-to-3)

## Best For

- crj electronics enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium thick wire gauges with braided sleeving and reinforced heat shrink for ultimate durability.
- • **Power Up Your Fans:** Seamlessly steps up USB 5V to a robust 12V output for full-speed fan performance.
- • **Ready Out of the Box:** Comes coiled, not twisted, plus a thick resealable bag for hassle-free storage and longevity.
- • **Compact & Lightweight:** Slim 18g design fits effortlessly into any setup without adding bulk or clutter.
- • **Universal Compatibility:** Supports both 3-pin and PWM 4-pin PC fans, maximizing your cooling options.

## Overview

The CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable converts standard USB power into a reliable 12V output, compatible with both 3-pin and PWM 4-pin PC fans. Engineered with thick wire gauges, a durable braided sleeve, and reinforced heat shrink, it ensures long-lasting performance. Lightweight and neatly coiled for easy use, this cable is a must-have for professionals seeking efficient and durable fan power solutions.

## Description

CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable : desertcart.in: Computers & Accessories

Review: Do you own a fan that needs more power? Well, that's where this 12 Volt cable comes in. Depending on your use case, extremely useful.
Review: I was surprised at the quality of the cable. The wire gauges are thick and a stiff braided sleeve and heat shrink have been applied. They went the extra mile and put some adhesive where the heat shrink meets the stress relief to anchor the sleeve to the wires. It also has a 4-pin female connector so you can use PWM fans, and not just the 3-pin variety. This cable came coiled, not folded and twisty tied (I hate when they do that, cables take forever to straighten out). Even the resealable bag it came in was thick.

## Features

- Durable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 400 Milliamps |
| ASIN | B07QFG6LFR |
| Are batteries included? | No |
| Best Sellers Rank | #151,636 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #16,409 in USB Cables |
| Brand | CRJ Electronics |
| Cable Type | USB |
| Colour | Black |
| Compatible Devices | Charging Adapter |
| Compatible Phone Models | Potentially compatible with smartphones, specific models unknown |
| Connectivity Technology | USB |
| Connector Gender | Male-to-Female |
| Connector Type | USB |
| Customer Package Type | FFP |
| Customer Reviews | 4.4 4.4 out of 5 stars (390) |
| Date First Available | 11 September 2020 |
| Indoor/Outdoor Usage | Indoor |
| Item Weight | 18 g |
| Item model number | 4041 |
| Manufacturer | CRJ Electronics |
| Maximum Voltage | 12 Volts |
| Model Name | 4041 |
| Model number | 4041 |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| Number of Pins | 4 |
| Package Dimensions | 14 x 8.31 x 1.5 cm; 18 g |
| Recommended Uses For Product | Powering PC fans in computers and other electronic devices |
| Shape | Round |
| Special Feature | Durable |
| Specification Met | RoHS |
| Voltage | 12 Volts |
| Wattage | 5 Watts |

## Product Details

- **Brand:** CRJ Electronics
- **Cable Type:** USB
- **Compatible Devices:** Charging Adapter
- **Connector Type:** USB
- **Special Feature:** Durable

## Images

![CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 1](https://m.media-amazon.com/images/I/41IiE+RO-oL.jpg)
![CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 2](https://m.media-amazon.com/images/I/41OxrWJoD7L.jpg)
![CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 3](https://m.media-amazon.com/images/I/41OzKNamZ9L.jpg)
![CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 4](https://m.media-amazon.com/images/I/41dQuIcDzyL.jpg)
![CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 5](https://m.media-amazon.com/images/I/51mz3j0oDOL.jpg)

## Questions & Answers

**Q: Can you use this on a usb power source that is 12v ?**
A: This will not negotiate 12v from a USB charger. It will always draw 5v from the charger and boost to 12v

**Q: Can this be used to send ASCII commands from a PC to hdmi multi viewer product?**
A: I don't think so. This is for powering a PC fan using a USB power source. It's only 3 pins as well so it lacks extra data communication.

**Q: Will this work with a 12v 0.12a fan? its a be quiet shadow wings 2 120mm fan.**
A: It should work with any 12v fan. I had no issue using it on a similar fan.

**Q: Does the step up circuit have a frequency noise issue?**
A: I never noticed anything. I had an ITX motherboard in an enclosed space so I used this and an exhaust fan. Sounded like a normal 120mm fan

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by S***T on 30 November 2021*

Do you own a fan that needs more power? Well, that's where this 12 Volt cable comes in. Depending on your use case, extremely useful.

### ⭐⭐⭐⭐⭐ Review
*by I***E on 1 June 2021*

I was surprised at the quality of the cable. The wire gauges are thick and a stiff braided sleeve and heat shrink have been applied. They went the extra mile and put some adhesive where the heat shrink meets the stress relief to anchor the sleeve to the wires. It also has a 4-pin female connector so you can use PWM fans, and not just the 3-pin variety. This cable came coiled, not folded and twisty tied (I hate when they do that, cables take forever to straighten out). Even the resealable bag it came in was thick.

### ⭐⭐⭐⭐⭐ Review
*by F***S on 21 April 2025*

Does exactly what I needed — powered my PC fans from a USB port without a hitch. Clean, efficient, and well made!

## Frequently Bought Together

- CRJ 12V Step-Up USB Fan Power Adapter Cable - 24-inch (60cm), Black Sleeved - Full Fan Speed Adapter for 3-Pin/4-Pin PC Cooling Fans
- Noctua NA-FC1, 4-Pin PWM Fan Controller (Black)
- Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-14*