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  1. #11
    ROG Enthusiast Array Baio73 PC Specs
    Baio73 PC Specs
    MotherboardAsus ROG Crosshair VII Hero Wi-Fi 3004
    ProcessorAMD Ryzen 3700x
    Memory (part number)2x8 G.Skill F4-4000C17D-16GTZR
    Graphics Card #1Sapphire RX 5700 XT
    MonitorDell U2515H
    Storage #1Samsung 960PRO nVme 512Gb
    Storage #2Crucial MX500 2Tb
    CPU CoolerCorsair H150i Pro RGB
    CaseLian Li 011D XL
    Power SupplyCorsair AX860i
    Keyboard Logitech G513
    Mouse Logitech G903 + Powerplay
    Headset G933 Artemis Spectrum
    Mouse Pad Logitech G840 XL
    Headset/Speakers Logitech G560
    OS Windows 1064bit
    Network RouterLynksys EA6500
    Accessory #1 Corsair Commander Pro
    Accessory #2 7xCorsair LL120 RGB fan

    Join Date
    Jul 2014
    Reputation
    10
    Posts
    52

    Quote Originally Posted by RedSector73 View Post
    I was wrong, my bad. You should use the bottom one, disregard what I said about using the top, it is incorrect.
    No problema man! ;-)

    I still don't understand the reason why Asus enumerates PCIex slots starting from the bottom to the lower… and the opposite for nVme slots!!
    When I first build up my rig, I immediately put the nVme in the upper slot as to me it was obvious it was the first one.

    Baio
    CASE Silverstone FT02 CPU AMD Ryzen 3700X COOLER Corsair H80i v2 MOBO Asus ROG Crosshair VII Hero Wi-Fi RAM 2x8 Corsair CMW16GX4M2C3600C18 PSU Corsair AX860i VGA Sapphire RX 5700 XT DISPLAY Dell U2515H AUDIO Creative Sound BlasterX AE-5 Pure Edition + Logitech G560 SDD Samsung 960PRO nVme 512Gb - Crucial MX500 2Tb INPUT Logitech G903 + Powerplay - G513

  2. #12
    ROG Enthusiast Array Frostie36 PC Specs
    Frostie36 PC Specs
    MotherboardCrosshair VII Hero X470 WiFi
    ProcessorRyzen 2700x
    Graphics Card #1Evga 1080TI FE
    Sound CardCreative X-Fi pcie
    MonitorAsus VG278QR
    Storage #1Samsung 840 Pro 256mb
    Storage #2Samsung 850 Evo 1TB
    CPU CoolerNoctua NH-U12S SE AM4
    CaseHAF 932 Advance
    Power SupplySilverstone Strider 1000w
    Keyboard Logitech g15 v2
    Mouse Logitech G502
    Headset/Speakers Creative Headphones
    OS Windows 10 Pro X64
    Network RouterNetgear WNDR4500

    Join Date
    Apr 2017
    Reputation
    10
    Posts
    41

    Are you actually experiencing performance issues with your gpu running at 8x because I'm not & my 1080ti is running at 8x as well due to the pcie cards I'm using. I did a test in a couple of games comparing 16x vs 8x & I have at most a 1fps difference in one of the games tested which is within margin of error test to test.

    Steve over at gamers nexus did a video about this a while back & the bottom line is, 8x is nothing to worry about in terms of how the gpu will perform, unless your worried about losing literally a frame or two in a few select titles & as stated above, that's within margin of error

  3. #13
    ROG Enthusiast Array
    Join Date
    Nov 2018
    Reputation
    10
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    42

    Quote Originally Posted by Baio73 View Post
    No problema man! ;-)

    I still don't understand the reason why Asus enumerates PCIex slots starting from the bottom to the lower… and the opposite for nVme slots!!
    When I first build up my rig, I immediately put the nVme in the upper slot as to me it was obvious it was the first one.

    Baio
    Just like man kits are installed furthest from the CPU with one empty slot in between. :-D

  4. #14
    New ROGer Array
    Join Date
    Sep 2019
    Reputation
    10
    Posts
    5

    Quote Originally Posted by Lothos View Post
    What this guy said is correct and I have the C7H with a 2080 and a 2TB NVME.

    It does state in the manual that if you place the M.2 in the slot closes to the CPU that it shares its lanes with the top PCIex slot. So if you put an M.2 in that slot it will then downgrade the speed of the graphics card in the top most slot from x16 to x8.

    The only way to get full speed is to place the M.2 into the furthest most slot from the CPU and then you will get your x4 speed for the M.2 and your x16 for the graphics card.

    It is in the manual, I highly recommend you follow that as there is absolutely no other way to get it to work.
    It's in bottom slot though!

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