---
product_id: 281891931
title: "OPSFALCON Aiyide 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable)"
brand: "opsfalcon"
price: "₨14075"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/281891931-opsfalcon-aiyide-2-pack-usb-to-3-pin-4-pin
store_origin: LK
region: Sri Lanka
---

# 5V Power Supply 11.8-inch Length USB to 3/4-Pin Adapter OPSFALCON Aiyide 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable)

**Brand:** opsfalcon
**Price:** ₨14075
**Availability:** ✅ In Stock

## Summary

> 🔧 Unleash the Power of Silence!

## Quick Answers

- **What is this?** OPSFALCON Aiyide 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable) by opsfalcon
- **How much does it cost?** ₨14075 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/281891931-opsfalcon-aiyide-2-pack-usb-to-3-pin-4-pin)

## Best For

- opsfalcon enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** 11.8-inch cable length for neat and tidy setups.
- • **Silent Operation Mode:** Run 12V fans at a whisper-quiet 5V for a serene workspace.
- • **Versatile Compatibility:** Supports both 3-pin and 4-pin case fans for ultimate flexibility.
- • **Plug and Play Convenience:** No complex installations—just plug in and enjoy!
- • **Power Your Fans Effortlessly:** Transform any USB port into a fan power source with ease.

## Overview

The OPSFALCON Aiyide USB to 3-Pin/4-Pin PWM Fan Power Adapter Cable allows you to effortlessly power your case fans using a standard USB connection. With a length of 11.8 inches, this cable is designed for versatility, supporting both 3-pin and 4-pin fans. It operates at a safe 5V, ensuring silent performance even for 12V fans, making it an essential accessory for any tech-savvy professional looking to optimize their workspace.

## Description

OPSFALCON Aiyide 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable)

## Features

- This cable is 5V USB port to small 3-pin / 4-pin fan cable, it allows you to power most case fans by using a USB connection, 3pin or 4pin case fan power adapter cable both OK
- Connector: One is USB port, another one is small 3 pin / 4 pin case fan power adapter cable port
- Cable length: 11.8inch
- Fan must have a start voltage at or below 5V (fans with a higher start voltage will NOT work)
- 12V fans will be operated at a reduced 5V voltage for silent operation

## Product Details

- **Brand:** OPSFALCON
- **Connector type:** USB Type A
- **Cable type:** USB
- **Compatible devices:** PC
- **Special features:** Braided

## Images

![OPSFALCON Aiyide 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable) - Image 1](https://m.media-amazon.com/images/I/51j8nD9yADL.jpg)

## Questions & Answers

**Q: Does this work in the other direction?  as in, power input on the 4 pin side connected to a control board, with 5v power delivered to the usb end**
A: I have not tried this, but I should work. I mean, I don't see why it would not work.  USB data & power can travel both ways on wires

**Q: Will this work to plug govee lights into the usb input on a tv?**
A: I am not sure about govee lights, but this adapter transfers power to other USB devices.

## Frequently Bought Together

- OPSFALCON 2 Pack USB to 3-Pin / 4-Pin PWM 5V Sleeved Fan Power Adapter Cable, Case Fan Connector (3 Pin / 4 Pin)
- Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)
- CRJ 12V Step-Up USB to Dual PC Fans Power Adapter Cable - 24-inch (60cm), Black Sleeved - Full Fan Speed Adapter for 3-Pin/4-Pin Cooling Fans

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**Shop now:** [https://www.desertcart.lk/products/281891931-opsfalcon-aiyide-2-pack-usb-to-3-pin-4-pin](https://www.desertcart.lk/products/281891931-opsfalcon-aiyide-2-pack-usb-to-3-pin-4-pin)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-06*