be quiet! Silent Wings 3 120mm PWM, BL066, Cooling Fan

Virtually inaudible operation at max. 16.4 dBA). Air flow - 50.5 CFM. Noise level - 16.4 decibels6-Pole fan motor for less power consumption and vibrationFluid-dynamic bearing enables super-long life span of 300, 000HFan frame with funnel-shaped air inlets