Sapphire Radeon R9 290X BF4 4gb/512bit http://www.tipidpc.com/viewitem.php?iid=28117657
or
Zotac GTX 780 OC 3gb/384bit http://www.tipidpc.com/useritems.php?username=PCHub
or
Zotac GTX 780 OC 3gb/384bit http://www.tipidpc.com/useritems.php?username=PCHub