ARCTIC Alpine 12 LP - Low Profile Intel CPU Cooler, Air cooler, 9.2 cm, 100 RPM, 2000 RPM, 0.3 sone, Aluminium, Black ARCTIC Alpine 12 LP - Low Profile Intel CPU Cooler. Type: Air cooler, Fan diameter: 9.2 cm, Rotational speed (min): 100 RPM, Rotational speed (max): 2000 RPM, Noise level: 0.3 sone, Bearing type: Fluid Dynamic Bearing (FDB). Voltage: 12 V. Width: 95 mm, Depth: 95 mm, Height: 54 mm. Product colour: Aluminium, Black