Most Gaming graphics cards come pre-overclocked out of the factory. This simply means you get more performance out of your card, without spending any time on checking for maximum clocks and stability.Twin Frozr has been the industry defining graphics card cooler. The first Twin Frozr kicked of the dual-fan trend and today stays true to its dual-fan dual-slot design where others have to resort to less effective means. The other part that the Twin Frozr cooler uses is a large aluminum fin grid array that provides a huge amount of surface area for cooling