Will my GA-P55A-UD3 motherboard's PCI-E X16 run a PCI-E 2.0 GPU?

Hello, I've recently decided to upgrade my old Sapphire HD 3850, but since the rest of my computer isn't as dated, I wish to avoid replacing any other components. However, my gigabyte GA-P55A-UD3 motherboard only has a PCI-E x16 (running at x16) slot. Will it be able to run a 2.0 GPU like the sapphire HD 6870?
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  1. Best answer
    yes it will run for sure. Pci-e express 2.0 gpus are backwards compatible. Besides, your mobo has pci-e x16 slot with 2.0 standard.
  2. Thing is, it says its up to 2.0 only in revision 2 of the mobo, and I'm not sure whether I have rev 2 or rev 1 (same slot, I think, it just doesn't say specifically its up to 2.0 standards)

    is there any way I can make sure which revision I have?
  3. you can use gpuz to find out what rev the pci express slot is.

    The hd6870 runs on a pcie 2.1 slot but it should work on any pci-e x16 slot nonetheless.
  4. PCI-E is pretty much compatible across the board.
  5. Gotta get home and try GPUz out, on my work laptop ATM. Thanks!
  6. Best answer selected by 91stCataclysm.
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