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  1. #1
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    Angry G752VL Thunderbolt PCI-E Gen1 ??

    Hello ,

    I recently installed a eGPU( RX5700 XT)on my G752VL laptop and I did not see any big improvement's regarding the performance in games and started to dig more in the problem .

    Seems the big issue is that the thunderbolt chipset has PCI-E Gen1 x4 connectivity .Checked both in windows and Linux that shows PCI-e 2.5Gt/s x4 .

    If this is so then no way the thunderbolt can run at the stated 40Gb/s , the link between the CPU and the device connected via thunderbolt has them a max of 8Gb/s

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  2. #2
    ROG Guru: Yellow Belt Array pndiode PC Specs
    pndiode PC Specs
    Laptop (Model)ASUS G752VL-DH71
    MotherboardROG Maximus IX Extreme
    ProcessorI7-7700K
    Memory (part number)G-Skill F4-3600C19Q-32GTZRB
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    no way the thunderbolt can run at 40GB/s

    True:

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  3. #3
    ROG Member Array
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    Quote Originally Posted by pndiode View Post
    True:

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    The DSL6340 is rated to go up 40Gb but even if it's set to 20Gb it is not even near that speed .Any way it's a lesson learned it's just marketing crap , not worth the money spend on an external graphics card +egpu case .

    Bellow is the result from 3DMark PCI-e test , and it's absolute crap:

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  4. #4
    ROG Guru: Blue Belt Array
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    Reference at bottom of page 21 of the Notebook PC E-Manual:

    Note: Transfer rate of this port may vary per model.

    Results from stock G752VSK:
    Miniatura de Adjuntos Miniatura de Adjuntos PCI Express Feature Test 8 Jan 2021.png  

    Last edited by jdfrench3; 01-09-2021 at 11:18 AM.
    G752VSK, G75VW-3D, G51J, G1S
    Homebuilt Windows Server

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