The CORSAIR iCUE H170i ELITE CAPELLIX Liquid CPU Cooler delivers powerful, low-noise cooling for the largest and most ambitious PC builds, with a massive 420mm radiator and three CORSAIR ML140 RGB PWM fans controllable between 400 and 2,000 RPM. 33 CAPELLIX LEDs on the pump head and eight RGB LEDs per fan put the spotlight on high-end CPU cooling. Includes a CORSAIR iCUE COMMANDER CORE Smart RGB Lighting and Fan Speed Controller, for precise speed and lighting control for up to six RGB PWM fans. Three 140mm CORSAIR ML RGB Magnetic Levitation PWM fans deliver immense airflow to cool the most powerful systems with the latest high-performance components, with eight RGB LEDs per fan. Accurately control your cooling via PWM, adjusting fan speeds from 400 to 2,000 RPM. All-in-one automated cooling offers everything you need to keep your CPU running at peak performance, including fans, coolant, and radiator, in a completely sealed system with minimal maintenance.