Six individually addressable hub-mounted RGB LEDs Specially designed fan blades and outer ring produce a uniform glow LLS bearings provide silent operation with a long lifespan High-quality synthetic rubber vibration-damping corners PWM control with a wide speed range starting at only 500 RPM Ideal for CPU heatsinks and radiators Adjust R1 support for physical control of colors and effects Asus AURA, Gigabyte Fusion, MSI Mystic Light, ASRock Polychrome support Sound Level - 34.1 dBA Airflow - 103.85 CFM