ITEM NAME:6 Channels 4 Pin PCI Cooler Cooling Fan Speed Controller for PC Desktop Computer Description: Increase speed to reduce computer part temperature when computer parts are busy. Reduce speed to reduce noise & power consumption when computer parts are free. The fan can be connected to 6 way 3PIN/4pin interfaces for speed adjustment. The governor is installed in the PCI position of the chassis, which is convenient for installation and does not take up space. PCI bracket available to install fan speed controller.Adjustable knob available to adjust cooling fan speed. Specification: Power Interface: SATA Support 4-pin/3-pin Fans Size: 12*5.8cm Input Voltage: DC 12V Output Voltage:5V-11.8V Support 6 Channels Fan Speed Adjust Simultaneously, Total 90 Watt Max Package Includes: 1 Piece 6 Way PC Cooler Cooling Fan Speed Controller SKU: ALU0002979977010253.The governor is installed in the PCI position of the chassis, which is convenient for installation and does not take up space. Support 6 Channels Fan Speed Adjust Simultaneously, Total 90 Watt Max. Increase speed to reduce computer part temperature when computer parts are busy.