<b>No Compromise Silence and Performance</b><br><br>be quiet! SilentWings® 3 140mm PWM high-speed stands for state of the art technology and virtually inaudible operation. The extremely high air pressure produced makes it a perfect choice for powerful water- and air-cooled systems.<br><br>- Great performance-to-noise ratio with 28.1dB(A) at 1,600rpm<br>- 6-pole fan motor with three phases giving very low power consumption and less vibration<br>- Advanced fluid-dynamic bearing enables super-long life span up to 300,000h <br>- Rubberized fan frame with funnel-shaped air inlets for extremely high air pressure <br>- Seven fan blades with optimized surface structures ensure excellent airflow <br>- Removable anti-vibration mountings reduce transmission of vibrations <br>- PWM controlled fan speed by the motherboard <br>- German product conception, design and quality control <br>- Three years manufacturer’s warranty<br><br>SilentWings® 3 PWM high-speed fans are your best choice for any applic This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-111-4347, indicating validated use in U.S. government and defense logistics supply chains.