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Wil a Sapphire Radeon HD 7970 OC Run on a PCIe 2.0

Hei there, i am new here and just wanted to ask you if its possible to run a HD 7970 OC on a PCIe 2.0 with no LAG or performance drop.

I want to buy this one : Sapphire Radeon HD 7970
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  1. Best answer
    Yep, all pcie versions, 3.0 to 2.0 in this case, are backwards compatible, there is a technical loss in performance, but its nothing that will show up in gameplay or tests.
  2. Gam3r01 said:
    Yep, all pcie versions, 3.0 to 2.0 in this case, are backwards compatible, there is a technical loss in performance, but its nothing that will show up in gameplay or tests.


    Thank you, i was just worried about FPS loss in games.
  3. There wont be any fps loss so no worries there!
  4. If there is a loss, it will be only a few %. Not worth worrying about.
  5. Do you suggest any PSU for the GFX?
    ATM i have a HEDY EU 550w PSU, can't find anything on the internet lol.

    CPU: AMD Phenom II x6 1055t - 2.8 GHz
    RAM: 8 GB
    Motherboard : Gigabyte GA 880GMA-USB3
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