Heatsink Specifications: Dimension:L125 mm x W135 mm x H157 mm Weight:750g Heat pipes:6mm heatpipe x 6 units Fin:T = 0.4 mm;Gap=1.8 mm Copper Base:C1100 Pure copper nickel plated TL-C12B FAN Spec: Dimension:L120 mm x W120 mm x H25 mm Weight:135g Rated Speed:1550 RPM±10% (MAX) Noise Level:25.6 dBA Air CFM (MAX) Air H2O (MAX) A Connector:4 Pin (PWM Fan connector) Bearing Type : S-FDB Bearing