ARCTIC Alpine 64 Pro - AMD CPU Cooler with Vibration Absorption, Cooler, 9.2 cm, 500 RPM, 2000 RPM, 0.4 sone, 77 m³/h ARCTIC Alpine 64 Pro - AMD CPU Cooler with Vibration Absorption. Type: Cooler, Fan diameter: 9.2 cm, Rotational speed (min): 500 RPM, Rotational speed (max): 2000 RPM, Noise level: 0.4 sone, Airflow: 77 m³/h, Bearing type: Fluid bearing. Voltage: 12 V. Width: 105 mm, Depth: 78 mm, Height: 113 mm. Product colour: Black, White https://www.hardwareheaven.com/2009/10/arctic-cooling-roundup-october-2009/ When testing the various coolers in today’s roundup it was very clear that as far as performance goes Arctic Cooling continue to offer great products. Each of the coolers provided excellent reductions in temperature over the reference models. In addition to the great temperatures the noise levels of each product were Read more: Arctic Cooling Roundup - October 2009 - Conclusion - DriverHeaven.net http://www.driverheaven.net/reviews.php?reviewid=852&pageid=7#ixzz0TjBli5eE..