Sli ?
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Thread: Sli ?

  1. #1
    Join Date
    Nov 2002
    Posts
    26

    Sli ?

    I have an SLI board and a 7800 gt 256 card. Can I put in a 7900 gt or does it have to be the same as the other card ( 7800 )

  2. #2
    Join Date
    Sep 2001
    Location
    Independence, MO
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    8,071
    I'm pretty sure you need same-model cards (7800GT + 7800GT), and possibly even the same make (eVGA, Asus, etc).

  3. #3
    Join Date
    Nov 2002
    Posts
    26
    Hmm, according to The Sli zone http://www.slizone.com/page/home.html It mentions different mfg's ok but it's not to clear on the mixing of say a 7800 and a 7900

    Your probably right that I would need the same "7800"

    All may be for waste anyway since I use an LCD and the native is 1280 so what would be the point I guess in having SLI if I couldn't crank it up in games.

  4. #4
    Join Date
    Sep 2001
    Location
    Independence, MO
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    Yeah, and it's not like the 7800GT isn't a good card still.

  5. #5
    Join Date
    Nov 2005
    Location
    Columbus, Ohio
    Posts
    471
    From what I've read it's pretty much a given that both cards have to be the same Nvidia GPU though manufacturers and clock speeds can be different. And another note, if you use two cards with different ram sizes, you have to use CoolBit to allow the cards to run at the lower of the two ram sizes (ie. 256 and 512, both would only run at 256 in SLI).

  6. #6
    Join Date
    Jul 2006
    Posts
    20
    and if you can get another 7800 I had one and wanted to get the second one for sli but the 7800 series has been phased out!!! I am now with ATI and crossfire

  7. #7
    Join Date
    Nov 2002
    Posts
    26
    Yeah I had thought about that...what if when I'm ready there isn't any around =( Ebay still has them. Maybe I'll pick one up anyway.

  8. #8
    Join Date
    Sep 2001
    Location
    Independence, MO
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    8,071
    There should still be a few around. This is kinda the risk of SLI though. I think nVidia and ATI are much faster about phasing out the old cards these days, just so you don't have the ability to upgrade for so cheap. They want you to buy two high-end cards at the same time, I suppose. It's one of the many reasons why I'm not a fan of the technology.
    Give what you cannot keep to gain what you cannot lose.

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