How is the below powersupply vs the Corsair VX450, the Antec EA500, or the BFG LS-550? Will be going into an AMD x3 720 system. Also is the below an earthwatts though? It's EA650 vs EA500 but doesn't seem to be listed as an earthwatts.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371015&Tpk=17-371-015
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371015&Tpk=17-371-015