Since P55 was introduced, it seems like I’ve seen nonstop complaints about options for running multiple graphics cards. This is because most P55 boards only have a total of 16x PCIe lanes available, to be divided between however many cards you happen to be running. So for an SLI or Crossfire setup, you’re only going to get 8x/8x speeds. The difference between 16x/16x and 16x/8x and 8x/8x (and so on) have been well documented. This bandwidth limit seems like just another obstacle for the P55 platform.
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