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Does PCI Express 3.0 x16 graphics card work on PCI Express 2.0 slot?

So i have this question that is at title. Does it work and does it have any performance drop?
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  1. Best answer
    yes it'll work and no, not really, modern cards aren't fast enough to notice a difference between 2.0 and 3.0
  2. Thanks for the fast reply! :)
  3. np
  4. Prolly give legend best answer so people stop stopping by...
  5. In our case not.
    We have a Asus Sabertooth P67 (pci 2.0) and a Gigabyte GTX 960 (pci 3.0) black screen on monitor en red VGA_LED on mainboard.
    So it is not always compatible.
    We have latest firmware in P67 and bios default loaded.
    Any idea?
  6. maffe said:
    In our case not.
    We have a Asus Sabertooth P67 (pci 2.0) and a Gigabyte GTX 960 (pci 3.0) black screen on monitor en red VGA_LED on mainboard.
    So it is not always compatible.
    We have latest firmware in P67 and bios default loaded.
    Any idea?


    The card is bad or not properly installed. Most often the problem is power or not fully seated. But they are fully compatible.
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