COOLSERVER 2U R83 4 Heatpipe CPU Server Cooler Computer Case Radiator Side Air C Adopt 4 composite heat pipes,Superconducting composite tube, excellent thermal conductivity and heat dissipation performance. Supermicro 2U Passive CPU Heat Sink Socket LGA3647-0 SNK-P0069PS Pure copper heat conduction and 4 heat pipes heat absorption, the fins on both sides of the lga 3647 low profile cpu cooler can not only increase firmness, but... Uniform thickness, resistance, wear resistance, excellent heat dissipation performance. The copper base is used, and the fins are electroplated with chemical . The measurement allowed error is +/- 1-3cm. Using 6025 fan, IC original-components, quiet, stable, strong wind, large air volume, fast and efficient heat dissipation. 2U Server Heatsink For LGA3647 Narrow Intel Lga3647 Narrow 2u Server Passive Cpu Cooling Heatsink R81| Lori Copper Aluminum Combination Heatsink Colour:As ShownMaterial:copper-aluminum combinationPackage Contents:1 * cpu CoolerOnly the above package content, other products are not included.