i run the same card on a p5k deluxe with a 650w silverstone psu
it could be your generic psu or bad ram on the card or a combination of both
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005&Tpk=corsair+650w
it could be your generic psu or bad ram on the card or a combination of both
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005&Tpk=corsair+650w