SATA 1 to 8 Way 3PIN Cooling Fan Shunt Controller Hub Computer Case Fan Hub Fan Speed Controller for PC Desktop Motherboards

["1: Expand the 8-bit fan 3-pin connector to solve the lack of fan interfaces, as well as centralize the fan cables.","2: This product is D port power input, need sata power supply click here","3:high-a full speed； low-a low speed； off-a shutdown. This hub does not come with speed measurement and PWM function, you can adjust the speed manually.","4: If the fan with a light, when adjusted to low gear, the fan light brightness will also be reduced.","5: A small part of the fan in low gear will not turn, because the fan does not support low voltage start."]