Thermalright Silver Arrow SB-E Extreme Dual Fan Universal CPU Heatsink
8 X 6mm sintered heat-pipes effectively takes  away excessive heat from the CPU when overclocked, Nickel Plated heat-pipes, slower Oxidation and deterioration of the heat-pipes, provides longer period of Thermal conductivity.Double fin design , each side with 154mm*120mm heat dissipation area, can be used with 14 or 15 cm fan ( fan clips included).Special Arrow fin design, which allows cool air to pass through and take heat away rapidly, effectively provide cooling for the cpu.Support Multiple-Platforms. Can be used on Socket 2011/1366/1155/1156/775 Platform, and AM2/AM2+/AM3/AM3+/FM1 Sockets.