If NASA Designed a Computer Case Fan – This Would Be It Corsair ML Series of PWM fans magnetic levitation technology & custom engineered rotors provide unrivaled performance & low noise. Thanks to its innovative design the ML Series fans delivers both high static pressure & high air flow for a superior fan experience. Magnetic Bearing Harnesses magnetic levitation technology to provide lower noise higher performance & a longer lifespan Custom Rotor Design Delivers the perfect balance between high static pressure & high airflow operating flawlessly in the most challenging environments Extensive Control Range A 1600 RPM PWM control range gives you total control between low noise & 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 speeds Bold LEDs Available in Red White or Blue the ultra-bright LEDs mounted to the center harness output a vivid blast of light & color With a 1600 RPM PWM control range The ML Series fans deliver total control between low noise & airflow without compromise. Replaceable corners mounted to anti-vibration rubber dampers ensure quieter operation at higher speeds & are available in Red White or Blue the ultra-bright center-mounted LEDs output a blast of light & color which allow you to match your fans with the rest of your build. Contents & Specifications Package contents. ML140 PRO LED 140mm PWM Premium Magnetic Levitation Fan Fan mounting screws System Requirements. Motherboard with an open standard 4-pin fan connector