Features 1、USE WITH REGULATOR: The fan hub can be used with a speed regulator, a knob can adjust the speed of multiple fans at the same time. 2、LED INDICATOR: With LED power indicator and working indicator, the operating status is clear at a glance. 3、INPUT AND OUTPUT: With SATA power input interface and 2.54 pitch output fan wiring port, has wide application range. 4、WIDE APPLICATIONS: Can be used for fan speed adjustment, air volume adjustment, ventilation and heat dissipation auxiliary fields. 5、3MM MOUNT HOLES: The fan hub board has 4pcs 3mm diameter mounting holes, standard in size and easy to install. Specification Item Type: Fan Hub Model: FC-D012-P004 Power Supply Voltage: 12V 10A Power Input Port: SATA head Output Fan Wiring Port: 2.54 pitch fan wiring socket Power Indicator: LED Indicator Installation Hole Diameter: 3mm, 4 holes Purpose: Auxiliary chassis heat dissipation Package List 1 x Fan Hub