SPECIFICATIONS Cooler Outline Dimension:51 x 51 x 29 mm Heat Sink Dimension:49 x 49 x 13 mm Material: Aluminum Fan Dimension:51 x 51 x 15 mm Bearing Type: Ball bearing Rated Voltage:12 V DC Speed:4500 RPM +/- 10% Noise Level:35 dBA +/- 10% Air Delivery:2.85 CFM +/- 10%