sli setup, cards with different dedicated ram

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budgetbuild8
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hey guys, i recently built my first computer nothing too special i had a rather tight budget hence my name.  Well the computer is working great and its been almost a year now, it was built primarily for gaming.  Now ive been wanting to upgrade for a while, adding another graphics card to be exact.  I have an nvidia geforce gts 250 with 512mb of gddr3 and was wondering if i could run the same card but with 1 gig of gddr3 in sli?  The reason i ask is because the card i bought originally is getting hard to find in retail stores and id rather by one locally than buy one online due to some bad experiences i had previously.

Zaraki8

DarkAnoma1y
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Yes, this is possible.

I'm sure that you are aware of the power requirements of an SLI setup (:

The amount of memory does not matter, as long as it is the same model card.

As long as the card is the same model and series - i.e. 9800 GT ad 9800GTS are not compatible.

budgetbuild8
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oh ok perfect i guess i'll go with that then, although i am rather tempted to go with the new ati cards instead, for the dx11 support and eyefinity. we'll see what happens. hey thanks for quick response, oh and by the way, kinda off topic here, a 750 watt powersupply is sufficient for sli right? just wanna make sure.

DarkAnoma1y
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For your particular setup, a 750 Watt should suffice.

And I would honestly recommend going with a 5 series ATi card, but then again, that is just if you want DirectX 11. You won't get a huge leap in performance if you just get a 5770 or so. I would wait a while for the prices to drop some, but if you are impatient, then just get the second card (: