YIGZYCN 30cm USB to 4Pin Molex Fan Power Adapter Cable for Case Chassis Fans, Compatible with Personal Computers

The chassis fan must support 5V low-voltage that is to say: the USB 5V power can still run, in this for case, the adapter cable can be used. Otherwise, even if there is no problem with the line, the fan will not turn. USB interface to chassis fan 4pin wire length approx 30cm/11.8in, all copper core wire,durable. Please use this cable when you want to DIY the for case fan to modify the notebook cooling pad fan. Connector form: one end is a computer USB interface, and the other end is a two-wire 4pin chassis fan connector. Please select this cable if you want to use the computer's USB port to supply power to the chassis fan.