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  1. #1
    ROG Junior Member Array nrschoen PC Specs
    nrschoen PC Specs
    MotherboardMaximus Hero VIII
    ProcessorI7 6700K
    Memory (part number)F4-3400C16D-16GVK
    Graphics Card #1Galax HOF 980 ti
    MonitorDell S2716DG
    Storage #1Samsung 850 EVO 250gb
    Storage #2Crucial CT512 MX100 500gb
    CPU CoolerThermaltake Water 3.0 extreme
    CaseThermaltake V51
    Power SupplySeasonic X-750
    Keyboard Logitech G710+
    Mouse Logitech G502
    Headset Logitech G430
    OS Windows 10 64bit

    Join Date
    Apr 2016
    Reputation
    10
    Posts
    4

    Slow M.2 write speeds??

    System specs:
    Windows 10, Version 2004 Build 19041.572
    I7-6700k no OC
    Asus Maximus VIII Hero Bios 3802 (latest)
    Corsair Vengence 3200mhz 16gb ram
    Galax 980ti HOF
    Sabrent Rocket Q NVMe PCIe m.2 2280 SSD 1TB
    WD Black 4TB
    Asus Blu-ray DVD-RW drive

    How things are hooked up, have the WD and Asus optical drive on SATA ports 3 and 5 per Asus manual. m.2, is in only slot it can go into. Per Crystaldisk info, m.2 is running through NVME express, PCIe 3.0 x4 transfer mode. However, read speeds seem ok, but write speeds are abysmal!!! Have ensured windows is up to date, all chipset drivers are up to date... Haven't reinstalled windows yet, as everything else seems to be working right. I know this board doesnt have PCIe 4.0, but was expecting a bit better than this.... Anyone have any ideas as to what might be going on? Pics in the imgur link below! Thank you all so much!

    https://imgur.com/a/HSVS02Y

  2. #2
    ROG Junior Member Array nrschoen PC Specs
    nrschoen PC Specs
    MotherboardMaximus Hero VIII
    ProcessorI7 6700K
    Memory (part number)F4-3400C16D-16GVK
    Graphics Card #1Galax HOF 980 ti
    MonitorDell S2716DG
    Storage #1Samsung 850 EVO 250gb
    Storage #2Crucial CT512 MX100 500gb
    CPU CoolerThermaltake Water 3.0 extreme
    CaseThermaltake V51
    Power SupplySeasonic X-750
    Keyboard Logitech G710+
    Mouse Logitech G502
    Headset Logitech G430
    OS Windows 10 64bit

    Join Date
    Apr 2016
    Reputation
    10
    Posts
    4

    Well, reinstalled windows, write speeds about doubled ~1800Mbs, but still not on par with what I have seen. Contacted Sabrent support, they are replacing my drive, with out much fuss.. Kind of makes me wonder...

  3. #3
    ROG Junior Member Array
    Join Date
    Feb 2018
    Reputation
    10
    Posts
    3

    I have a Samsung 960 EVO that is running slow. I ran User Bench Test and it indicates it's funning the last 10th percentile compared to others in similar systems. I don't want to try and reinstall windows. I have too much installed that's a pain to get back to working. Oh Well...

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