What is the differance between these cards if any but why has one got a 10 year warranty and includes a backplate while the other has a 3 year warranty and no backplate but are the same price http://www.overclockers.co.uk/showproduct.php?prodid=GX-148-EA&groupid=701&catid=1914&subcat=1812 http://www.overclockers.co.uk/showproduct.php?prodid=GX-149-EA&groupid=701&catid=1914&subcat=1812
