Pci express 3.0 x 16 on pci express x16

I wonder can we putt a pci e 3.0 on a pci 1.0 x16 cause my computer is old i only need a new video card for my needs ?? thanks
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More about pci express pci express x16
  1. Yes. PCIe is backwards compatible.


  2. This is **sorta-kinda** general performance

    Gen3 has 2X the bandwidth of Gen2
    Gen2 has 2X the bandwidth of Gen1
    OR

    PCIe Gen1 x16 (lanes) is roughly similar in bandwidtyh to PCIe Gen3 x4 (lanes)
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