I have no idea, i haven't run SLI on my last few builds, i know Unity used to be strictly a single card engine but it might be different now, that said i think you can use any old Nvidia card as dedicated PhysX card as long as it has PhysX support, i know you used to be able to do it so unless they removed it at some point it should be possible but whether this game benefits from it i do not know.Does VaM use both cards if you have two installed with SLI set up?
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