"This power supply would be perfect for anyone looking to build a quad core system with multiple video cards. It also is SLi Certified for up to two GeForce GTX280 GPU's! At around $200, this power supply is a bit pricey for a 850 Watt power supply, but the premium quality and performance makes up for all of it. Overall, this is a truly one of a kind power supply and should be purchased by anyone looking for extreme efficiency, amazing output performance and one of the best power supplies on the market."