Simple, GTX 680 DirectCU II was born TOP, a video card generous in every respect. With high performance and the heat sink slot DirectCU II to the top of the range 3 ASUS is set to make inroads into the hearts of hardcore overclockers thanks to a generous factory overclock and quality components designed to increase the frequency.Although not part of the series "ROG" the GTX 680 DirectCU II Top trace the line between video cards ASUS Classic those belonging to the elite end, it encloses, in an evening gown, the muscles of a ROG without but resume particulars identifying video cards Matrix.This 680 is the shot caller slaps the other 680's around makes them bow down! I would be all over that Asus TOP for its high factory overclock, cool temps, and really, really quiet fans,heavily modified PCB, with an efficient VRM design to produce low temperatures, improved voltage regulation circuitry, much better Chil controller , specially binned chip and voltage control and monitoring support that you won't find on most other non-reference cards.The card is a straight beast!I http://www.newegg.com/Product/Product.aspx?Item=N82E16814121634