"Despite the reference designs impressive cooling solution there were consumers who demanded enhanced versions of the GTX 580 with enhanced cooler. One of the latest to deliver this is Inno3D with their custom GTX 580 HAWK Edition. As well as featuring an enhanced cooler and some tweaks on the style of the card it also has 3GB of memory rather than the standard 1.5GB. Lets see how it performs in a selection of real world tests."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips