Features: This CPU heatsink has 2 heat pipes for better and more powerful heat dissipation. It can enhance the cooling capacity of the air duct system. U-shaped heat pipe can quickly transfer heat from the processor and has good heat dissipation performance. The aluminum substrate is combined with 2 pure copper heat pipes to efficiently dissipate heat. High efficiency and low power consumption. With colorful lighting effects, make the chassis more beautiful. Specification: Type: CPU Cooler Fan size: about 9 * 9 * 2.5cm / 3.5 * 0.9in Speed: 2200±10% Noise: 22dBA Voltage: 12VDC Air volume: 48CFM Life: 20,000 hours Fan interface: 3pin Bearing type: hydraulic Applicable CPU: IntelLGA775: Core2DUO/Celeronp/Pentium 4/ Pentium D, Intel LGA 1155/1156/1366: Core i3/i5/i7, AMD/AM2AM2+/AM3: Sempron/Athlon64/Athlon X2/Phenom64 Package List: 1 * Single Fan Radiator 1 * Bracket 4 * Screws 1、This CPU heatsink has 2 heat pipes for better and more powerful heat dissipation. 2、It can enhance the cooling capacity of the air duct system. 3、U-shaped heat pipe can quickly transfer heat from the processor and has good heat dissipation performance. 4、The aluminum substrate is combined with 4 pure copper heat pipes to efficiently dissipate heat. 5、With colorful lighting effects, make the chassis more beautiful.