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SLI setup question

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Last response: January 31, 2012 12:05 PM in Graphics & Displays

Syntek79

January 22, 2012 3:42:00 AM

Hello,
I was wondering if I could set up an SLI with 2 'damn near' identical cards. They are both GeForce GTX 470's, but they are made by different manufacturers and have slightly different clock speeds. I put links to them below. Also, if i can set up the SLI, would I have to match up the clock speeds? This is the first time that I am going to set up an SLI, so any advice would be appreciated.
Thanks.

http://www.newegg.com/Product/Product.aspx?Item=N82E168... (I currently have this one installed)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

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shadow187

January 22, 2012 3:54:22 AM

I can't view the two cards, but yes, two same-model cards from different manufacturers will work.

As for your clockspeed question, it used to be so that one card would downclock itself, but I'm not sure if that's how it works. Preferably, overclock the other card just the little bit you need to match them.

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amuffin

January 22, 2012 4:03:57 AM

Yes, either lower or raise the clock speed of one of them with msi afterburner.

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Best solution

ko888

January 22, 2012 4:51:45 AM

The SLI set (i.e. all of the cards) will start up at the clock speed of the card with the slowest clocks and use an amount of video memory equal to the card with the lowest amount of video memory.

To be able to set up an SLI configuration the GPU and Memory Interface Width of all of the cards must be the same.