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Discussion in 'Mac Pro' started by rtrt, Sep 26, 2008.
Fine unless you plan on gaming or rendering on it.
The lanes are fixed, but you have 2 x16 slots that support PCIe 2.0 now.
Tom's Hardware did some impressive tests on PCI-Express lane scaling. x4 lanes was enough in the majority of cases for gaming performance. You'd get more FPS for x8 or x16 lanes but it'd only be a few more.