Zalman Ultra Quiet ZM-F3 120mm Blue LED Shark Fin Blade Case Fan Cooling,White ZM-F3 LED (SF) Dimension: 120(L) x 120(W) x 25(H)mm / Weight: 109g / Fan Speed: 1,200 rpm / Noise Level: 20-23dBA / Voltage: 12V / Life Span; 50,000 hr / Long Life Bearing Silicone pin absorbs the vibration between the fan and the case allowing a quiet work environment. Optimized for maximum airflow, Shark`s Fin blade greatly reduces the turbulence caused by fan rotation, thus decreasing the noise and vibration while increasing the airflow. Minimized noise and vibration through lowest rpm. Suitable for silent system environment. Long Life Bearing applied, minimizing noise and inflow of the dust For longer life cycle. Blue LED applied for beautiful tuning effect.