IDE 4pin Fan Speed Adjust Controller PC Cooler Molex DC Power In Out 12V 5A 60W
4pin connector is power input, 4pin port connector is output connect to fan. Working with IDE 12V fan, support 1.5A, 2.4A, 3A ,3.3A, 3.9A, 4.8A. Power: max 60W. Connector with port is connect to fan, do not reverse.