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