Features: 1.Governor is divided into three levels that can be adjusted, LOW (low level), OFF (shut down), HIGH (high level) 2.The speed controller can be connected to 8 fans, supports 3 pin interface fans, possess speed control function, can also be used as a fan hub 3.Using imported thickened glue to fix, strong adhesion can fix the governor firmly inside the chassis 4.8-way fan speed controller with 3pin extension cable and SATA interface is suitable for 12V 3PIN fan 5.Solve the lack of motherboard interface, and concentrate on processing fan wires specification:Item Type: Computer Fan Hub Splitter Suitable For: 12V 3PIN fan Power Supply Interface: SATA interface Model: EZ20320 Without speed measurement and PWM function, you can manually adjust the level, start the fan at full speed HIGH or low speed LOW, or turn off the fan (OFF). PackageList: 1 x Computer Fan Hub Splitter 1 x User Manual