Unique high efficiency fins with Copper Core for Maximum Thermal Performance PWM 4-Pin 90mm Fan with High Speed Range 1000-2400 RPM Compatible with Intel CPU: Intel LGA 7775/1150/1151/1155/1156 TDP (Thermal Design Power) up to 90W Ready to Install with Pre-Applied Thermal Grease Push Pin design for effortless installation Base Material: Aluminum Heatsink with Copper Core Overall Dimensions: 94 x 94 x 57mm TDP (Thermal Design Power): 90W Fan Speed: 1000-2400 rpm ±10% Fan Connector Type: PWM 4 Pin Fan Dimensions: 90 x 90 x 25mm Fan Bearing Type: Fluid Bearing Starting Voltage: 6V Rated Voltage: 12V Rated Current: 0.25A Power Consumption: 3W Air Pressure: 0.42-0.91mm-H2O Air Flow: 26 to 52 CFM ±10% Noise: 16 to 24 dBA ±10% MTBF (Mean Time Before Failure): 60000 hrs. Socket: Intel LGA 7775/1150/1151/1155/1156