Equipped with 8 high-quality capacitors to provide a more stable and safe power supply for your fan Support 12V 2An high-power fan, can connect 8 12V 2An high-power fans at the same time The computer CPU fan is connected to the red port of the controller The power supply can be directly powered by the power supply, which can reduce the load pressure of the motherboard. Ask the empty line to connect to the motherboard to be responsible for speed measurement and speed regulation, and both power supply and temperature control are correct. The big 4PIN interface is connected to the host power supply, and all fans are powered through the big 4PIN interface Specification Product input: 4P input for chassis power supply Number of interfaces: 8 ports Interface: 4PIN Colour: Black Material: PCB Size: 100 x 40mm Package Contents: 5 x 4P Fan Extender 5 x Double-Sided Adhesive 5 x Pmw Speed Control Cable 5 x Fixed Cable Tie Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.