samuelspark

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Sep 12, 2011
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Ok, on the motherboard, it says there there are two PCI-E x16 slots, one is PCI-E x16_1, and the other is PCI-E x16_2. According to the specs, if I put two cards in crossfire, it'd work at x16, and x4. How does that work if both slots are x16? Does it matter which one I put my graphics card in or is one actually x4 instead of x16? If I installed a PCI fan, where would I put it? (people say that if the PCI fan and GPU are too close to each other, there's a high pitched noise) Thanks for any help guys. :)
 
Solution
It is recommended to use x16 x2 for CFing so that your grahics card performance won't bottleneck. Though you can feel the slight improvement when you are playing with 1920x1080 resolution.

washingmachine7

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Oct 13, 2011
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It is recommended to use x16 x2 for CFing so that your grahics card performance won't bottleneck. Though you can feel the slight improvement when you are playing with 1920x1080 resolution.
 
Solution