Product Detail 4 X 8mm large sintered heat-pipes efficiently remove excessive heat away from the CPU, allowing for great Overclocking potential Nickel Plated Base and Heatpipes, increase the longevity of the heatsink by slowing oxidation and deterioration rates... maintained performance over time Double fin stack design, provides each tower with an impressive 147 x 103mm of surface area for heat dissipation Special Arrow fin design, which allows cool air to pass through while rapidly moving heat away and maintaining a quiet operating volume Soldered Heat-pipes, Fins and Copper Base, ensure all components maintain the higest of Thermal Efficiency . The "Cogage Arrow" is best product for you. We recommended Cogage Arrow