Features: 1.Compatibility: This CPU air cooler is specially designed for 775 1150 1151 1155 1156 1200 1700 1356 1366 and 2011 motheboard. 2.4 Heat Pipes: This desktop CPU cooling fan is designed with 4 heat pipes that ensure excellent heat dissipation effects and minimum airflow resistance. 3.3pin Power Connector: This CPU cooling fan for 2011 motherboard adopts 3pin power connector, which ensures stable power supply and running performance. 4.Low Noise Operation: This 3pin CPU cooling fan adopts sturdy copper and aluminium material, the high accuracy and reliable material reduce the noise to only 22dB low. 5.Colorful Lighting: This CPU cooler for 2011 motherboard is featured with colorful lighting that can create immersive and cool gaming experience, easily to match your PC build. specification:Item Type: CPU Cooling Fan Material: Copper, Aluminium Light Effects: Colorful Lighting Interface Type: 3pin Fan Size: Approx. 90 x 90 x 25mm / 3.5 x 3.5 x 1.0in ( Manual Measurement, Slight Error May Exist ) Voltage: 12 VDC Speed: 200010% Noise: 22dB Air Volume: 48CFM Life: 50,000 Hours Bearing Type: Hydraulic Application: Designed for 775 1150 1151 1155 1156 1200 1700 1356 1366 and 2011 Motheboard PackageList:1 x CPUCoolingFan 1 x Backplate 1 x Silicone Grease