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  1. #1
    ROG Member Array
    Join Date
    Oct 2021

    Asus ROG Strix Z690-A Gaming DDR4 M.2 Question

    I'm about to purchase an Intel Core i9 12900KF and a ASUS ROG Strix Z690-A Gaming WIFI D4
    Can I populate all the M.2 slots and run them all at PCIe 4.0 without affecting the PCIEX16(G5) Slot Speed, will it drop it from 16x to 8x as I have a Asus RTX3090 and don't want to starve it.

    (The Manual doesn't really explain it clearly)

    My drives I have are 1x Samsung 980 Pro 250GB Gen4 (OS), 1x Samsung 980 Pro 500GB Gen4, 2x Samsung 980 Pro 2TB Gen4

    Thank You

  2. #2
    ROG Guru: Yellow Belt Array pinkfloyd1173 PC Specs
    pinkfloyd1173 PC Specs
    MotherboardROG STRIX Z690-F GAMING WIFI
    ProcessorIntel i7 13700k
    Memory (part number)CORSAIR - DOMINATOR PLATINUM RGB 32GB 5600MHz DDR5
    Graphics Card #1Asus Tuff OC 4090
    MonitorLG 32GQ950-B
    Storage #11 M.2 980 PRO 2 TB
    CPU CooleriCUE H150i ELITE LCD Display Liquid CPU Cooler
    CaseCorsair 7000D Air Flow
    Power SupplyCorsair HX1000i
    Headset Astro A40 TR Pro w/TR Mix Amp
    OS Windows 11 Pro
    Network RouterAsus RT-AX86U PRO
    pinkfloyd1173's Avatar
    Join Date
    Nov 2012

    I have the same mob, alot of issues at the moment with it. I have 1 m.2 samsung 850 pro. I think if you put that many drives in, it will drop it to 8x, not sure.
    I installed my m.2 right beblow the 1st gpu slot.

    Sorry I was not much help, but someone will give you the right answer on here.

  3. #3
    ROG Enthusiast Array
    Join Date
    Dec 2020

    It will run at x 16 even with all the m2 slots filled however be aware that these boards have a real problem seating the m.2 drives properly

  4. #4
    ROG Guru: White Belt Array
    Join Date
    Oct 2019

    Quote Originally Posted by SmokeyKilla View Post
    It will run at x 16 even with all the m2 slots filled however be aware that these boards have a real problem seating the m.2 drives properly
    Will have to try and remember that if I ever install a 4th m.2, Had lots of fiddling to install 2 of them but only because I didn't want to use the built in heatsinks and that damn Q-Latch doesn't work well with EKWB m.2 heatsinks. They weren't an issue on the Z270 Tuf board with a vertical m.2 port. Had a nice simple push a tapered plastic cylinder into a circular hole. I'm afraid the little thin bit of plastic on these Q-Latches are gonna snap and be useless.

    I ended up taking a dremel to the bottom plate of the EKWB heatsink and made it almost a CM shorter. Then had to trim some of the thermal from under the m.2 and the plate so it didn't hang on the motherboard. Next was trimming it between the top and the m.2 drive so the Q-latch does get stuck on it. Dropped mymy m.2 temps located in the twin m.2 section/bottom of the board 5-7 degrees lower. Not an issue how it was but I prefer to replace the thermal pads if I remove a heatsink. The motherboard setup = fiddling to line the up perfectly and 1.25mm isn't a common size for thermal pads so looking at direct from Asus. Lining the top and bottom part of the heatsink up is a little more fiddly as you can't just put the 2 ends opposite the connector on the table and push them together becase 1 is now shorter ;/

    Sorry not an option for me. This way if I ever reinstall windows, like when I can be bothered to use win11 over 10 I can unplug all my drives besides the OS m.2 next to CPU with out having to mess around replacing thermal pads.

    Got a lian li GPU brace for the new GPU and it replaces the middle and middle bottom screw with standoffs it secures to. I missed the hole in the middle and had to lift the heatsink off the M.2 located by the CPU. Thermal pad already stuck to M.2 and was pulling away. Wasn't keen on that scenario hence the DIY modification.

    I know slightly off topic but just incase someone finds it helpful.

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