3.62" Maximum Fan Diameter - 351.6 gal/min Maximum Airflow - 2500 rpm - One Sleeve Bearing - 4-pin PWM - Socket H LGA-1156, Socket H2 LGA-1155, Socket H3 LGA-1150, Socket H4 LGA-1151 Compatible Processor Socket - Processor - 3.4 Year Life General Information Manufacturer: Thermaltake Technology Co., Ltd Manufacturer Part Number: CLP0556-B Brand Name: Thermaltake Product Name: Cooling Fan/Heatsink Product Type: Cooling Fan/Heatsink Fan Information Fan Bearing Type: One Sleeve Bearing Fan Speed (Max): 2500 rpm Maximum Airflow: 351.6 gal/min Noise Levels (A-Weighted): 27 dB(A) Fan Life: 3.4 Year Heatsink Information Compatible Processor Socket: Socket H LGA-1156 Compatible Processor Socket: Socket H2 LGA-1155 Compatible Processor Socket: Socket H3 LGA-1150 Compatible Processor Socket: Socket H4 LGA-1151 Interfaces/Ports Connectors: 4-pin PWM Physical Characteristics Heatsink Material: Aluminum Maximum Fan Diameter: 3.62" Height: 2.4" Width: 3.8" Weight (Approximate): 10.65 oz Miscellaneous Compatibility: Intel Processors: Core i3 Core i5 Core i7 Application/Usage: Processor