The CORSAIR iCUE COMMANDER CORE XT is both a PWM fan controller and RGB controller in one, turning your PC€™s case into a smart case. Use CORSAIR iCUE software for precise fan speed control and intelligent fan detection, along with RGB lighting control for multiple components TURN ANY CASE INTO A SMART CASE The COMMANDER CORE XT and CORSAIR iCUE allows for convenient control of up to six case fans and lighting for multiple RGB components. THE BRAINS OF THE OUTFIT The COMMANDER CORE XT is more than just a lighting and fan controller for up to six fans. It can be expanded to monitor temperatures (two temp monitor sensors included) and even tie-into other iCUE devices like the LS100 Lighting Strips or RGB LED Lighting PRO Expansion kits PRECISE PWM FAN SPEEDS Power and control up to six PWM fans, including Zero RPM mode to keep the noise down at low loads.