ARCTIC Freezer 36-S Multi Compatible Tower CPU Cooler. Type: Air cooler, Fan diameter: 12 cm, Rotational speed (min): 600 RPM, Rotational speed (max): 3000 RPM, Bearing type: Fluid Dynamic Bearing (FDB). Width: 88 mm, Depth: 126 mm, Height: 156 mm. Product colour: Black, Stainless steel