Description:1. Expand the 10-pin fan 4-pin interface to solve the lack of motherboard interface and centralize the processing of fan wires.2. The power supply can be directly powered by the power supply, which can reduce the load pressure on the motherboard. The temperature control line PWMs is separately connected from the motherboard, and the power supply and temperature control are correct.3. The back of the hubs board has 3M adhesive, which is convenient for sticking in a flat place.Specification:Type: large 4d port power supply, SATAs power supply (optional)Type: 10 bitsScope of application: for 12V motherboard 3pin/4Pin fanPower supply interface: IDEs (large 4P) interface / SATAs interfaceSupport: PWMs fan function automatic speed regulationProduct list:1* PWMs Fan Hubs1* 4 Pin Connecting CableNotes: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.