Can SLI this G-Card with my Motherboard?

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Sadistt

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Jun 17, 2012
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Hi!

I want to SLI graphics cards with the PCI Express 3.0 x16 interface, but my motherboard can only run it at x8 when both of the slots are occupied, or at least that's what i'm assuming?

"PCI Express 3.0 x 16 -------------- 2 (x16/0 or x8/x8)"


Can I SLI these 2 cards with my motherboard?

Motherboard: whttp://www.newegg.com/Product/Product.aspx?Item=N82E16813157293&nm_mc=KNC-GoogleKWLess&cm_mmc=KNC-GoogleKWLess-_-Motherboards%20-%20Intel-_-ASRock-_-13157293&gclid=CK7asOvPk7sCFcY7Mgod02YAdw

Graphics card: http://www.newegg.com/Product/Product.aspx?Item=N82E16814130915

I'm kinda confused as to what the aforementioned specification in italics mean.

If I can SLI the 2 cards but both running at x8, how much of a drop in performance will there be?
 
Solution
H4X3R
Running at 16x/16x means that each graphics card gets more bandwidth. The performance difference is so low because most graphics cards don't require the full 16x bandwidth (such as the one you have) therefore there is basically no difference.
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H4X3R

H4X3R

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Aug 11, 2013
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ALL of the motherboards on the Z77 platform below $200 will NOT be able to run 2 graphics
cards at 16x/16x. On the bright side, the performance difference is usually about 0%-5% at max so it should be no problem (if running at 8x/8x).
So there should be no problem with the motherboard that you currently have.
 
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Sadistt

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Jun 17, 2012
15
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10,510


That's so strange.. What's the benefit of running it at 16x/16x (I know my motherboard can't run 2 cards at 16x/16x like you explained, thanks for clearing it up) as opposed to 8x/8x? And how come the performance difference is so low?
 
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H4X3R

H4X3R

Distinguished
Aug 11, 2013
852
0
19,610
Running at 16x/16x means that each graphics card gets more bandwidth. The performance difference is so low because most graphics cards don't require the full 16x bandwidth (such as the one you have) therefore there is basically no difference.
 
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