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    For what reason do I need the PCI-E(x4) slot?


    Hello,

    I bought a motherboard originally to try CrossFireX on it. However it seems that the motherboard, although supporting HybridCrossFireX on both the PCI-Ex16 and the PCI-Ex4 slots, it does not allow CrossFireX configuration between two cards. The motherboard in question is the GA-MA785GT-UD3H just in case you think of buying it for the same reasons as mine.

    Anyways, I have a good setup so I have no reason to panic. However this episode made me wonder; for what else would I need to additional PCI-Ex4 slot? This for me does not make sense either in a HybridCrossFireX configuration since HybridCrossFireX only works between the the IGP and one GPU or else the IGP and two GPUs as long as the second PCI-E slot is x8 (from wikipedia).

    For me it feels that the second PCI-Ex4 slot on this motherboard is useless. Even more useless to have this slot support HybridCrossFireX. However I am no hardware expert and would like to know what else I can put in this slot just out of curiosity.

    The motherboard has on-board sound card so I wouldn't need that either, neither a network card (also on-board). I have several USB slots as well so no reason for that either.
    Last edited by sim085; October 21st, 2010 at 03:25 AM.
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  3. Lord of the Dance
    Devshed Expert (3500 - 3999 posts)

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    You could place a eSata card in it.

    I know there are x1 port, but depending at the size of the graphic card, this will give some air space between the the two cards.
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  5. Just another guy
    Devshed Frequenter (2500 - 2999 posts)

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    You could use the x4 for some SSD action and put Windows on the SSD to improve performance...

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