No Compromise Silence and Performancennbe quiet! SilentWings® 3 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.nn- Great performance-to-noise ratio with the perfect balance between cooling and silencen- 6-pole fan motor with three phases giving very low power consumption and less vibrationn- Advanced fluid-dynamic bearing (FDB) enables a super long fan life of up to 300,000 hoursn- Seven fan blades with optimized surface structures ensure excellent airflown- The rubberized fan frame is equipped with funnel-shaped air inlets producing extremely high air pressuren- Removable anti-vibration mountings minimize the transmission of vibrations to the PC case and its componentsn- Advanced high quality IC motor controller reduces electrical noisen- High-speed models are especially recommended for use in powerful water cooling and air cooling set upsn- 3-year manufacturer’s warrantyn- Product conception, design and quality control in Germany