---
product_id: 347877766
title: "USB A Male to Male 4pin Molex Connector (Female pins 12v Side)"
brand: "coolerguys"
price: "$19.29"
currency: USD
in_stock: true
reviews_count: 1
category: "Coolerguys"
url: https://www.desertcart.us/products/347877766-usb-a-male-to-male-4pin-molex-connector-female-pins
store_origin: US
region: United States of America
---

# High-speed USB interface 4-pin Molex female connector 5V DC USB power delivery USB A Male to Male 4pin Molex Connector (Female pins 12v Side)

**Brand:** coolerguys
**Price:** $19.29
**Availability:** ✅ In Stock

## Summary

> 🔌 Power your custom builds with USB ease — don’t get left unplugged!

## Quick Answers

- **What is this?** USB A Male to Male 4pin Molex Connector (Female pins 12v Side) by coolerguys
- **How much does it cost?** $19.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/347877766-usb-a-male-to-male-4pin-molex-connector-female-pins)

## Best For

- coolerguys enthusiasts

## Why This Product

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

## Key Features

- • **High-Speed Data Ready:** Built with USB-IF standards for reliable and efficient power transfer
- • **Compact & Sleek Design:** Discreet black cable that fits perfectly in any professional setup
- • **Optimized for 12V Fans:** Power your 12V fans at reduced speeds directly from USB ports
- • **Plug & Play Convenience:** No drivers needed—just connect and power your custom Molex devices instantly
- • **Universal USB to Molex Power:** Seamlessly convert USB 5V to Molex 4-pin for versatile device compatibility

## Overview

The Coolerguys USB A Male to Male 4-pin Molex Connector converts 5V DC USB power to a 4-pin female Molex interface, enabling you to power 12V fans and other Molex-compatible devices at reduced speeds directly from USB ports. Designed with high-speed USB standards and a sleek black finish, this adapter is ideal for professionals customizing their PC cooling or electronics setups. Note: power draw should be monitored to avoid USB port damage.

## Description

Send 5v DC USB power to a 4pin female Molex connector, wired to be on the standard 12v and neighboring ground pin. Can be used to power 12v fans from a USB port (at reduced speeds of course) or your own custom Molex plug devices that require 5v* *be mindful of the power draw of the device you use this cable for, you can damage your USB ports.

Review: Not working - Not working

## Features

- 5V DC USB
- Male to Female 4 Pin Connector

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K7RHQTR |
| Brand | coolerguys |
| Brand Name | coolerguys |
| Cable Type | USB |
| Cable type | USB |
| Color | Black |
| Compatible Devices | Personal Computer |
| Compatible devices | Personal Computer |
| Connector Gender | Male-to-Male |
| Connector Type | USB |
| Connector type | USB |
| Customer Reviews | 3.8 out of 5 stars 23 Reviews |
| Indoor Outdoor Usage | Outdoor |
| Item Shape | Round |
| Manufacturer | Coolerguys |
| Maximum Voltage | 5 Volts (DC) |
| Model | 840556022664 |
| Number of Items | 1 |
| Number of Pins | 4 |
| Other Special Features of the Product | High Speed |
| Recommended Uses For Product | Powers 12v fans from a USB port or other molex plug devices that can use 5v power, but require the 12v side of the connector |
| Recommended uses for product | Powers 12v fans from a USB port or other molex plug devices that can use 5v power, but require the 12v side of the connector Recommended uses for product Powers 12v fans from a USB port or other molex plug devices that can use 5v power, but require the 12v side of the connector See more |
| Special features | High Speed |
| Specification Met | USB-IF |
| UPC | 840556022664 |
| Unit Count | 1.0 Count |

## Images

![USB A Male to Male 4pin Molex Connector (Female pins 12v Side) - Image 1](https://m.media-amazon.com/images/I/31j-VthMMaL.jpg)

## Customer Reviews

### ⭐ Not working
*by A***I on 3 June 2024*

Not working

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/347877766-usb-a-male-to-male-4pin-molex-connector-female-pins](https://www.desertcart.us/products/347877766-usb-a-male-to-male-4pin-molex-connector-female-pins)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-22*