Xilence Performance A+ XC081. Type: Air cooler, Fan diameter: 12 cm, Rotational speed (min): 500 RPM, Rotational speed (max): 1500 RPM, Noise level (low speed): 18 dB, Noise level (high speed): 30.8 dB, Bearing type: Fluid Dynamic Bearing (FDB). Width: 106 mm, Depth: 129 mm, Height: 154 mm. Product colour: Black