If NASA Designed a Computer Case Fan – This Would Be It Corsair ML Series of PWM fans magnetic levitation technology and custom engineered rotors provide unrivaled performance and low noise.Thanks to its innovative design the ML Series fans delivers both high static pressure and high air flow for a superior fan experience. Magnetic Bearing Harnesses magnetic levitation technology to provide lower noise higher performance and a longer lifespan Custom Rotor Design Delivers the perfect balance between high static pressure and high airflow operating flawlessly in the most challenging environments Extensive Control Range A 2000 RPM PWM control range gives you total control between low noise and absolute performance Color Customization Replaceable corners mounted to anti-vibration rubber dampers allow you to match your fans with the rest of your build while delivering quiet operation at higher speedsWith a 2000 RPM PWM control range The ML Series fans deliver total control between low noise and airflow without compromise.Replaceable corners mounted to anti-vibration rubber dampers ensure quieter operation at higher speeds. Contents and Specifications Package contents . ML120 PRO 120mm Premium Magnetic Levitation FanFan mounting screws System Requirements . Motherboard with an open standard 4-pin fan connector