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Port for SLI

Last response: in Graphics & Displays
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March 7, 2011 7:33:14 AM

I'm going to sound like a huge nube, but what ports do you need to fun SLI or crossfire?

Many board have a PCI E x16 and another PCI E that runs at x8. Is this standard? can you get boards with 2 PCI E at x16?


this board says when you use both slots then they will run at x8.

basically what i'm asking is... would SLI or crossfire on this board be ideal or should i look for a different board?

More about : port sli

March 7, 2011 2:38:07 PM

Your board is just fine, when you add a 2nd card for SLI they with run in x8 x8 mode, which you won't even notice the difference from x16.

What is your current graphics card?
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a c 540 U Graphics card
March 7, 2011 2:38:33 PM

How many displays and what display resolution will you be running at?

If you're running on a 30" or smaller display at a resolution of 2560x1600 or below, an x8/x8 SLI or CFX configuration will perform the same as a x16/x8 or x16/x16 configuration. The only time that you should even be slightly concerned about running at x8/x8 is when you move up to a multiple display setup at a resolution of 5760x1200 across three displays in NV Surround/CrossFire Eyefinity mode.

If you're not running at a resolution of 5760x1200 across three displays in NV Surround/CrossFire Eyefinity mode the x16/x8 configuration of the GIGABYTE GA-P67A-UD4-B3 will be absolutely fine.
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