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Radeon 7770 Crossfire on x16/x4 board?

Last response: in Graphics & Displays
December 26, 2012 3:07:11 AM

Today I got a Radeon 7770 (I wanted a 7850 but whatever). I have almost enough money to buy a second card and Crossfire it. My board however is only x16/x4. I know that when Crossfired the 7770 performs pretty well. What kind of performance hit would I see by crossfiring the two cards on this board? I don't care about micro stuttering or any bottleneck (I will probably get an FX 8350 down the road) just the performance I would see. Can I do this? Thanks.

Current Card:
Current Motherboard:

Radeon 7770 Crossfire Review (Older, should be a bit better due to current Catalyst Drivers)
May 23, 2013 3:56:36 AM

I am in the same position as u montosaurous, looking to xfire 2x7770s
mobo:z77 Pro3 only x16/x4

someone help!