6 Pack 4 Pin Molex to 3/4 Pin Fan Adapter Cable for PC

Easy to Use: Easy installation, power 3 Pin / 4 Pin (PWM connector) PC case fans with a molex connector. 6 PCS 4 Pin Molex to 3 Pin/4 Pin Fan Cable. Conductor Material: tinned copper. Quality Material: The inside of the cooling fan splitter is made of galvanized copper, which has good conductivity and is durable.

eBay