1. Designed for 12V 3/4 Pin FAN, support simultaneous starting of 10 channel 4Pin fans, solving the problem of shortage of motherboard. 2. Support PWM function fan automatic speed regulation. 3. PWM interface is connected to CPU FAN interface on motherboard by PWM cable. The white 4PIN connector is the dedicated interface only for CPU fan, these black interface are conventional PWM fan interface. 4. Magnetic standoff design for easily fixing the hub in the chassis. 5. The product has an acrylic board shell, SATA input fan speed controller is to expand a single motherboard port into multiple ports Product name: CPU Cooling HUB Interface: 10 channels 12V 3/4 pin colour:Black Material:PCB+metal Package Contents: 1 x Hub 1 x PWM controller cable 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.