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.The U-shaped heat pipe can quickly transfer heat from the processor and has good heat dissipation performance. 4.The aluminum base is combined with 4 pure copper heat pipes for high efficient heat dissipation. 5.High efficiency and low power consumption. specification: This CPU heatsink has four heat pipes for better and more powerful heat dissipation. It can enhance the cooling capacity of the duct system. The U-shaped heat pipe can quickly transfer heat from the processor and has good heat dissipation performance. The aluminum base is combined with 4 pure copper heat pipes for high efficient heat dissipation. High efficiency and low power consumption. : Material: Metal + Plastic Color: White Fan Blades Speed: 220010%RPM Noise: 22dBA Voltage: 12VDC Air Volume: 48CFM Life: 50,000 hours Fan Interface: 3pin Bearing Type: Hydraulic Fan Size: Approx. 9 * 9 * 2.5 cm/ 3.5 * 3.5 * 1.0 in Size: Approx. 130 * 95 * 90 mm/ 5.1 * 3.7 * 3.5 in (overall) Applicable CPU: For IntelLGA775: Core2DUO/Celeronp/ 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 Package list: 1 * Single Fan Radiator 1 * Bracket 4 * Screw