be quiet! Silent Wings 3 140mm PWM High-Speed, BL071, Cooling Fan
Brand: be quiet!
Great performance-to-noise ratio with 28.1Db(a) at 1, 600Rpm. Air flow - 77.57 CFM. Noise level - 28.1 decibels
6-Pole fan motor for less power consumption and vibration
Fluid-dynamic bearing enables super-long life span of 300, 000 hours
Fan frame with funnel-shaped air inlets for extremely high air pressure
Seven fan blades provide optimized airflow.Pwm controlled fan speed by the motherboard