Zalman CNPS13X DS, Air cooler, 600 RPM, 2000 RPM, Black Zalman CNPS13X DS. Type: Air cooler, Rotational speed (min): 600 RPM, Rotational speed (max): 2000 RPM, Maximum air pressure: 2.01 mmH2O. Width: 135 mm, Depth: 79 mm, Height: 159 mm. Product colour: Black