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I have 2 Radeon HD 4650 video cards running 3 monitors right now on my new PC. Would it be possible to use Eyefinity with this or would I need different video cards?

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I think if you DONT use crossfire and have an adequite power supply, you should be able to use 6 monitors w/ eyefinity. Each card should be able to support 3 displays. – Aren B May 7 '10 at 0:15
    
I am not having troube ooking up multiple monitors, 3 monitors should be enough though, eyefinity allows you to run a video that spans all 3 of them though – JasonDavis May 7 '10 at 0:27
up vote 3 down vote accepted

Eyefinity is only supported on the Radeon 5000 series, so you would need new video cards.

From: http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx

ATI Eyefinity technology is supported by graphics cards in the ATI Radeon™ HD 5400 series and higher.

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bummer I just built this system, current top of the line everything except my 2 vid cards, guess I should of researhed this more first, thanks for the answer – JasonDavis May 7 '10 at 2:48

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