For sale is a Gigabyte GTX 570 Super Over Clock edition in excellent condition. Worlds fastest GTX 570 with stock overclock, beats stock GTX 580. Easily considered best value 500 series card on the market when new. Check reviews, they're all good. Excellent single card for the price and if you all ready own a 570 card this is SLI on the cheap. Was used in very powerful gaming machine as part of an SLI system and never run over stock overclock. Card runs cool and quiet. Sorry only one available.