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What is the meaning of this.

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a c 137 V Motherboard
July 4, 2012 4:44:48 PM

x8/x8 3.0 is just fine for SLI (that's x16/x16 2.0, but even x8/x8 2.0 would be fine).

It would only be a problem if one of them was x4. SLI can't be enabled if one of the GPU's is in a x4 slot.
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July 4, 2012 4:48:22 PM

The graphics card is GTX 670 and it's pci-e 3.0. Does that make a difference or no?
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a c 716 V Motherboard
July 4, 2012 4:55:21 PM

phunky_21 said:
The graphics card is GTX 670 and it's pci-e 3.0. Does that make a difference or no?

No. Assuming you have an IB CPU you're effectively doubling the PCIe bandwidth as @DJDeCiBeL stated. Even x8/x8 PCIe 2.0 on ANY HD monitor isn't even remotely close to saturation regardless of what settings including any AA setting.

/edit see - http://www.techpowerup.com/reviews/Intel/Ivy_Bridge_PCI...
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July 4, 2012 5:39:43 PM

Yes I have Ivy bridge. i7 3770 3.5ghz. I remembered reading something about ivy bridge only being compatible with the pci-e 3.0 that's one of the reasons that pushed me towards getting it. That was a good link thanks.

/edit: Those aren't SLI though are they? Does it make any difference in SLI?
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a c 716 V Motherboard
July 4, 2012 7:39:06 PM

For SLI only the GTX 600 series + IB + PCIe 3.0 MOBO = PCIe 3.0 otherwise you're running PCIe 2.0 on say a GTX 500 series or before.

Single HD Monitor: SLI or CF PCI Express 3.0 x8/x8 vs PCI Express 2.0 x8/x8 no differences in performance; see my prior link.

It takes 4-WAY SLI GTX 680 + Multiple Monitors + High Details + High AA = to see any discernible differences.
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July 5, 2012 1:29:07 PM

Best answer selected by phunky_21.
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a c 328 V Motherboard
July 5, 2012 4:32:57 PM

This topic has been closed by Nikorr
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