shamsmu said: unfortunately, nvidia drivers no longer allow physx support in sync with an amd card. And to answer your question- no it would only share the bandwidth 8x-8x when in crossfire mode.
ap1991 said: That sucks. Are there any hack drivers i can use?
ap1991 said: I might look into. You think my 650w psu would be powerful enough? My 7850 is overclocked aswell so im not sure how much wattage I can spare.