XFX 6800 XT & PCIE Lanes

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  • eye2eyespy
    PCHF Member
    • Jun 2022
    • 1

    #1

    XFX 6800 XT & PCIE Lanes

    Silly Question Maybe…

    How can I find out if my PCIE lanes which is 16 is running a full capacity?

    I have a TRX40 10G (3960X CPU) with 4 (16) PCIE lanes (support x16/x8/x16/x8 mode) because of my case and PSU I have to place the GPU on the last lane away from the CPU.
    Will this hurt performance.

    The motherboard says that all lanes run at 16??? Not really sure?
  • phillpower2
    PCHF Administrator
    • Sep 2016
    • 15209

    #2
    From your MB manual here
    4 x PCIe 4.0 x16 slots (support x16/x8/x16/x8 mode)

    Slots one and three are X16 but slots two and four are only X8 meaning that GPU performance will take a hit.

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