The Extra Large Heatsink
Zalman has a heatsink available which is touted as the world's largest CPU cooler. It is the Zalman's CNPS9500 LED which needs five 300W power supplies to make it work. It weighs 530 grams and its base material is made up of pure copper. Its dimensions are 85X112X125 mm and it is meant only for overclockers who don't want to burn up the processor. Available at Amazon for $62. For more information, Click Here.