i'm using a 400 mercury psu with two 12V rail with 14A and 13A on each and 20A on +3.3V and 14A on 5V...total power given is 385W...also i'm using intel dg31pr board with c2d e7400@2.8ghz...4gb ram and 350 gb HDD with x16 1.0 slot of ddr2....can i put any of these cards on my board...