Detail 【TTID】USB to Molex 4 Pin PC Computer Cooling Fan 1 Feet Connector Cable Adapter
Features:
One end is 4 pin chassis fan header,and another end is the computer USB port
Chassis fan must support low-voltage 5V to start because USB voltage is 5V.
Note: When using the chassis fan with USB interface as power supply, the fan speed maybe be reduced to more than half the original speed.