2000MT/s bottleneck?

[chpctech]

Hello,
I have an older 590sli AMD board, with 2000MT/s 1000Mhz FSB, will I have a bottleneck with (2) GTX560ti's running at 8x each in sli? (PCI-E 1.0 too)

 

[cuecuemore]

You will, I don't know how much, but I've seen it in a bunch of cases.

 

[chpctech]

Best answer selected by chpctech.