High-grade LLS (Long Life Sleeve) bearing with 100,000 hours MTBF Counter-balanced magnet reduces axial tension on the bearing PWM support offers a wide 500 to 2,000 RPM speed adjustment range Aerodynamic stator struts reduce noise and turbulence Blade edges with strategically placed notches eliminate fan hum Trip Wire technology increases blade efficiency and decreases noise Great for CPU coolers, radiators, and other airflow restrictive applications Sound Level - 32.2 dBA Airflow - 87.6 CFM
