1、This CPU heatsink has four heat pipes for better and more powerful heat dissipation. 2、It can enhance the cooling capacity of the duct system. 3、U-shaped heat pipe can quickly transfer heat from the processor, with good heat dissipation performance. 4、The aluminum base is combined with 4 pure copper heat pipes to efficiently dissipate heat. 5、High efficiency and low power consumption. Features: 1. This CPU heatsink has four heat pipes for better and more powerful heat dissipation. 2. It can enhance the cooling capacity of the duct system. 3. U-shaped heat pipe can quickly transfer heat from the processor, with good heat dissipation performance. 4. The aluminum base is combined with 4 pure copper heat pipes to efficiently dissipate heat. 5. High efficiency and low power consumption. Specification: Fan Size: about 9*9* 2.5cm/ 3.54* 3.54* 0.98inch Speed: 2200 ± 10% Noise: 22dBA Voltage: 12VDC Air Volume: 48CFM Life Expectancy: 20,000 hours Fan Interface: 3pin Bearing Type: hydraulic Light Color: Magic Light Applicable CPU: For Intel LGA775: Core2DUO Core 2/Celeronp Celeron/Pentium 4/Pentium D For Intel LGA 1155/1156/1366: Core i3/i5/i7 For AMD/AM2AM2+/AM3: Sempron/Athlon 64/Athlon X2/Phenom 64 Product Size: about 13.5* 11.8* 9.5cm/ 5.31* 4.65* 3.74inch Package List: 1 * Radiator 1 * Bracket 4 * Plastic Screw