About this item Recommended for TDP = 77W 60mm Height For HTPC, All-in-one PC, 2U Server Compatible Intel CPU Socket LGA 1150/1151/1155/1156 Noise: 28dBA, 2000 RPM, 34 CFM Thermal Grease pre-pasted on heatsink Heat Sink Dimensions: 1.38'L x 3.74'W x 3.74'H Heat Sink Material: Aluminum Extrusion Fan Dimensions: 1.38'L x 3.74'W x 3.74'H Fan Speed: 2000RPM±10% Fan Air Flow: 34 CFM ± 10% Fan Air Pressure: 1.58 mm H2O ± 10% Dimensions: 1.38'L x 3.74'W x 3.74'H