http://www.hexus.net/content/item.php?item=5574Just take a look at the size of that heatsink, man! Positively dwarfing the heatsink-clad graphics card next to it, the 700g Noctua NH-U12 features 4 sets of heatpipes and is designed to work with a 120mm fan. The big bosses of the parent company, RASCOM, seemed suitably happy with their monstrous cooling. They reckoned that a 120mm fan spinning at just 800RPM would effectively cool any consumer-level CPU on the market.