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ypx
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2006-01-29T07:28:07Z
If my motherboard supports SLI. If I want to put in two graphic cards, do I have to put in two of the same kind - like two Geforce 6800GTs? Or can I put in a 6800GT and afterwards put a 7800GTX next to it?
Is that possible.
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Eric
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2006-01-29T10:44:13Z
no they must be the same card but in most cases u can have them from different manufaturers (and it will just clock the other one to the lowest cards speed) but u must have the same card to run sli.
LoBsTeuR
2006-01-29T20:37:18Z
Eric is correct. After recent nivida drivers I think 81.95 or something, you could mix and match manufacturers cards, but they had to be the same model, i.e. both 6800GS cards etc.
Reaper1988
2006-01-30T04:18:48Z
I think if your using crossfire with ATI cards thay cab be different
Edward The Less
2006-01-30T05:57:46Z
Yes with crossfire they can be two different cards but one must be a "Master" card with a special chip on-board.
ypx
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2006-01-30T07:35:17Z
That's a shame.
Maybe they did it on purpose just to boost their sales, otherwise I would buy a card and then sometime later add a whole new and more powerful one.
But then again I could buy one now and get the second one later when its price drops but still before it runs out of stock.

But those who already use dual GPU's: Can you really see the difference?
Freeman
2006-02-01T13:33:24Z
also, if you have a crappy card in the firs place, and buy an uber xfire master card, then the master card will scale to the clocks and pipes of the old card, negating the performance of the xfire card.
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