hello im looking to get either of these, i currently have a 6850
http://www.overclockers.co.uk/showproduct.php?prodid=GX-190-MS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-097-GI&groupid=701&catid=56&subcat=938
will they work with my current power supply and motherboard? just 1 of them
motherboard: ASUSTeK Computer INC. M5A87
Power supply: 500W - 600W, not sure which but to be safe lets say 550W
ram: Corsair Vengeance Pro Blue 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Memory Kit
cpu: phenom II X4 965
also how much of an improve are they over my 6850? i want this for rome 2 total war i wanna max it
http://www.overclockers.co.uk/showproduct.php?prodid=GX-190-MS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-097-GI&groupid=701&catid=56&subcat=938
will they work with my current power supply and motherboard? just 1 of them
motherboard: ASUSTeK Computer INC. M5A87
Power supply: 500W - 600W, not sure which but to be safe lets say 550W
ram: Corsair Vengeance Pro Blue 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Memory Kit
cpu: phenom II X4 965
also how much of an improve are they over my 6850? i want this for rome 2 total war i wanna max it