PURE. WINGS 2 . 80MM . Outstanding Reliability and Silent Cooling . The Pure Wings 2 80mm fans bring famous be quiet! silent cooling to entry level computing yet are also appropriate for gaming and multimedia systems. The most important features include Seven airflow-optimized fan blades that reduce noise-generating turbulence . Long life rifle-bearing gives an operating lifetime of 80000 hours . Even at maximum speed operates at only 18.2dB(A) . Product conception design and quality control in Germany . 3-year warranty Pure Wings 2 80mm fans offer outstanding reliability and quiet operation at great price-for-performance ratio. They are the ultimate reason to put the well-known be quiet! silent cooling in your PC.. .