SMAKN&reg; PC FAN HUB temperature-controlled supports 10 Ports 12V 3pin / 4pin Fan Cable D-port Power Supports multiple PWM fan. Compatible 3PIN, 4PIN fan. Support chassis alignment. Adhesive tape can be fixed to the chassis hub. D port power supply connected to the power supply line bit fan began to operate; to support PWM speed control and speed monitoring board after connecting.