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  1. #1
    New ROGer Array
    Join Date
    Aug 2019

    Post ROG Strix X570-E, using 2nd PCI-E x16 slot @x16


    my GPU completely covers up the motherboard fan.
    So I thought I could move it to the second slot.
    Unfortunately it runs at x8 only.
    There is a M.2 SSD installed in M_1, however this shouldn't influence it
    since it got a direct lane to the CPU right?
    A review I found claims that the first and second PCI-E x16 slot has
    a direct lane to the CPU.
    How is it that the GPU runs at x8?

    Thank you

  2. #2
    New ROGer Array
    Join Date
    May 2019

    Second slot only supports x8 mode. But there is no noticeable difference between x16 and x8 even you have a 2080ti.
    I don't think 'PCH fan is covered by GPU' is an issue. In my test PCH temperature only decrease about 2 degrees after moving GPU to second slot...

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