Pci express 3 0 backwards compatible with 1 0?

Just now I had a reply from the sapphire support person saying that there are issues with 3.0 cards in 1.0 slot...Is there really issues>>?I need answer from anyone who has implemented this..
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  1. Hi.

    Afraid so ; http://www.overclock.net/a/the-final-answer-to-the-controversial-pcie-x16-version-compatibility

    Not always though, it's a bit like a lottery.

    Sometimes a bios update fixes the problem.

    You can try to find someone on the net using the exact same pc as yours with a 3.0 card. You tube for example can help sometimes.
  2. I don't think the issue would be that huge. If it doesnt work then you can always just send it back.
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