Can this gigabyte superb power supply be enough
http://www.gigabyte.com/products/product-page.aspx?pid=2795#sp
for any of those cards
HD 7770 OC Vapor X
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102993
or Asus GTX 650 ti
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121686&SortField=0&SummaryType=0&PageSize=100&SelectedRating=-1&VideoOnlyMark=False&IsFeedbackTab=true#scrollFullInfo
Thank you
http://www.gigabyte.com/products/product-page.aspx?pid=2795#sp
for any of those cards
HD 7770 OC Vapor X
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102993
or Asus GTX 650 ti
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121686&SortField=0&SummaryType=0&PageSize=100&SelectedRating=-1&VideoOnlyMark=False&IsFeedbackTab=true#scrollFullInfo
Thank you