When the fan is spinning at its full speed at 2,000 RPM, the 92mm PWM
fan and low noise impeller make the entire operation to be nearly
inaudible. The patented fan holder design reduces the unwanted noise by
absorbing the vibration from the spinning impeller as well.
Alpine 11 Rev.2 (at 2,000 RPM)
Stock cooler (at 3,000 RPM)