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  1. #1
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    This is probably an easy yes, no question Just want some clarification

    I'm looking to start a new build with ROG MAXIMUS XII FORMULA and I was wondering how the M.2 works with the SATA slots. My current build has an MSI Z170A GAMING M5 and with every M.2 used you lose a SATA slot. Does the formula work the same? So if i fill all three M.2 slots i will only have 3 more SATA slots right?

  2. #2
    ROG Guru: Orange Belt Array MoKiChU PC Specs
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    Quote Originally Posted by BrathJotol View Post
    I'm looking to start a new build with ROG MAXIMUS XII FORMULA and I was wondering how the M.2 works with the SATA slots. My current build has an MSI Z170A GAMING M5 and with every M.2 used you lose a SATA slot. Does the formula work the same? So if i fill all three M.2 slots i will only have 3 more SATA slots right?
    Hi,

    It all depends on whether your M.2 SSDs are M.2 SATA or M.2 NVMe.

  3. #3
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    I'm planning on using NVMe I didn't realize there would be a difference

  4. #4
    ROG Guru: Orange Belt Array MoKiChU PC Specs
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    If you plan to use 3 M.2 NVMe SSDs, and if you plan to use only one PCIe x16 port (for the graphics card on the PCIEX16_1 port) and do not use your PCIEX1 port, you will be able to use your 3 NVMe SSDs at their maximum speed (x4) by disabling the SATA 5 and SATA 6 ports (SATA6G_56). If you cannot afford to disable the last 2 SATA ports, you must clamp the M.2_2 port at x2 speed and thus you will be able to use the SATA 5 and SATA 6 ports.

    Note : Yes, there is a difference if you use an M.2 NVMe SSD or M.2 SATA SSD : If you use the M.2_1 port for an M.2 SATA SSD, the SATA 2 port (SATA6G_2) will be disabled.

  5. #5
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    So i will have to put the graphics card in the second PCIe slot to use the M.2 at full speed?

  6. #6
    ROG Guru: Orange Belt Array MoKiChU PC Specs
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    Quote Originally Posted by BrathJotol View Post
    So i will have to put the graphics card in the second PCIe slot to use the M.2 at full speed?
    No, PCIEX16_1 is the first, not the second, reread precisely what I wrote please.

  7. #7
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    Sorry I think I get that if I use all 3 M.2 slots I will only have the one PCIe slot

  8. #8
    ROG Guru: Orange Belt Array MoKiChU PC Specs
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    Sorry, I can not be more explicit than I have been, here is the information from the manual, maybe this table will allow you to better understand my explanation :




  9. #9
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    Sorry the technical names for the slots confuses me so if I use all three M.2 slots i lose the third PCIe the little PCIe and 3 SATA slots
    Last edited by BrathJotol; 05-26-2020 at 01:30 PM.

  10. #10
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    Thank you for sticking with me til I got it

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