Feature:1. Knob Adjustment: 1 manual adjustment knob, high accuracy, good performance, equipped with an independent speed controller, the speed can be adjusted at will.2. Function: PC 8 channel fan hub reduces speed when computer components are idle to reduce noise and power consumption. When the computer part is busy, increase the speed to reduce the computer part temperature.3. High Quality Materials: Made of high quality plastic and metal materials, it is durable, reliable, low loss and low heat.4. Widely Used: Widely used in PC computer water cooling system, the fan interface is 4PIN (3PIN can be connected). The power interface is a SATA interface.5. Space Saving: The PC 8 channel fan hub is installed in the PCI position of the chassis, which is easy to install and does not take up space.Specification:Item Type: PC Fan HubProduct Material: Plastic, MetalPower Supply Voltage: 0-12VConnectable Fans: 8Fan Interface: 4PIN (3PIN Can Be Connected)Power: 72WAdjustment Method: 1 Manual Adjustment KnobPower Interface: SATA InterfaceInstallation Location: PC Case Location PCI.Package List:1 xPC Fan Hub1 x Small Screw