be quiet! Silent Wings 3 140mm High-Speed, BL069, Cooling Fan

Great performance-to-noise ratio with 28.1Db(a) at 1, 600Rpm. Air flow - 77.57 CFM. Noise level - 28.1 decibels6-Pole fan motor for less power consumption and vibrationFluid-dynamic bearing enables super-long life span of 300, 000 hoursFan frame with funne