Great performance-to-noise ratio with the perfect balance between cooling and silence 6-pole fan motor with three phases giving very low power consumption and less vibration Advanced fluid-dynamic bearing (FDB) enables a super long fan life of up to 300,000 hours Seven fan blades with optimized surface structures ensure excellent airflow The rubberized fan frame is equipped with funnel-shaped air inlets producing extremely high air pressure Removable anti-vibration mountings minimize the transmission of vibrations to the PC case and its components Advanced high quality IC motor controller reduces electrical noise High-speed models are especially recommended for use in powerful water cooling and air cooling set ups PWM controlled fan speed by the motherboard 3-year manufacturer’s warranty Product conception, design and quality control in Germany No Compromise Silence and Performance be quiet! SilentWings 3 PWM fans stand for state-of-the-art technology, virtually inaudible operation and superior cooling. Their secret: a smooth-running 6-pole fan motor, an advanced fluid-dynamic bearing, a unique airflow-optimized fan blade design and a fan frame with funnel-shaped air inlets. Specification Type: 12cm Case Fan AMD/Intel: N/A Compatibility: - Fan Connector(s): 4-pin LED Lightin No Colour: Black Weight: 0.3000 kg Fan Dimensions: 120 x 120 x 25 mm Fan Controller: PWM Rotation Speed: 2200 RPM Air Flow: 73.33 / 124.58 Noise level: 28.6 dB(A) Power: Input: 4.44 Watts Package Type: Retail Package Weight: 0.3000 kg Warranty: 3 Years