Low-noise operation of up to 15.9dB(A) even at its maximum speed of 1,100 rpm Airflow-optimized fan blades, resulting in a whisper-quiet operation yet solid cooling Anti-vibration mounting system that prevents transmission of vibrations to your PC case Rubberized fan frame minimizes vibrations High-grade rifle-bearing technology that contributes to an operating lifetime of 80,000 hours Secure and easy installation of the fan with push-pins PWM controlled fan speed through the motherboard Product conception, design and quality control in Germany World-class quiet and solid coolingbe quiet! Shadow Wings 2 120mm PWM offers whisper-quiet operation and reliable cooling at low revolutions per minute. It is especially recommended for use in very silent PC builds.Shadow Wings 2 fans are the perfect choice for all who appreciate maximum silence for their PC case. Performance Bearing type Rifle bearing Pulse-width modulation (PWM) support Yes Maximum air pressure 0.82 mmH2O Airflow 65 m³/h Maxim