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  1. #1
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    Unhappy High average response time, low write speed on nvme ssd Samsung 960 Pro m/b Hero X

    All went ok till i did an update from 1003 to 2102 bios. After this i start to see big lags while launching programs. Tested my ssd speed and its greatly decreased. Then go to Device Manager and see there a huge response time when my ssd doing write operation its over 16000ms and write speed 300-500 mb/sec but read speed is around 2700-2800 mb/sec with average response time of 0.8ms. i tested everything i can, switched different bios switches but have no luck. Then i rolled back to my old bios but problem remains. Started with LiveCD and problem is persist. What else can i do? i'm tired of this "optimizations".Click image for larger version. 

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    16481ms it is for Seq Q32T1 write
    31050ms it is for 4KiB Q8T8 write
    and overall result.
    Help please if anyone can.
    Sorry for big pictures i dont know how to hide them.
    Last edited by steamapps; 08-15-2019 at 02:06 AM.

  2. #2
    ROG Enthusiast Array
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    Anything else running in the background? Disable AV and indexing then run the Crystal benchmark again. Or just wait a day or two for it to settle out. Double check all your BIOS settings as well.

  3. #3
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    nothing on the background, no AV. With indexing disabled same situation. do you think day or two will help? dont understand to what it should help)

  4. #4
    ROG Guru: Yellow Belt Array Deepcuts PC Specs
    Deepcuts PC Specs
    MotherboardAsus Maximus X HERO BIOS 1901
    ProcessorIntel i7 8700K @ 4.7Ghz 1.215V
    Memory (part number)CMR32GX4M4C3466C16 @ 3200Mhz 1.360V
    Graphics Card #1Asus Strix GTX 1080Ti OC 11GB
    Sound CardCreative Omni 5.1 USB
    MonitorDell 24' S2417DG
    Storage #1Samsung EVO 960 nvme 500 GB
    Storage #2Seagate NAS 8TBx2
    CPU CoolerNZXT Kraken X62
    CaseFractal Design Define R5 Black
    Power SupplyCorsair AXi760
    Keyboard Razer DeathStalker Chroma
    Mouse Razer Abyssus
    OS Windows 10
    Network RouterMikrotik

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    Flash the latest BIOS version that was stable for you and see if the problem goes away.
    If it goes away, just stay on that version.
    I am on 1901, because all others are crap for my build.

  5. #5
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    Quote Originally Posted by Deepcuts View Post
    Flash the latest BIOS version that was stable for you and see if the problem goes away.
    If it goes away, just stay on that version.
    I am on 1901, because all others are crap for my build.
    thx, i will try. i realized that latest audio drivers make my pc open programs very slow. i can open winrar about 10 sec (only exe file of it). downgraded to previous and program start like it have to be. Another problem is write speed on my nvme ssd samsung 960 pro is about 500mb/sec. read speed is about 2500. Can you advise something?

  6. #6
    ROG Guru: Orange Belt Array ThrashZone PC Specs
    ThrashZone PC Specs
    MotherboardASUS x99 sabertooth & x299 Rampage VI Apex
    Processori7-5930k & i9-9940x
    Memory (part number)Trident-Z 3200C14 & Trident-Z 3600C16 both Samsung B-Dies
    Graphics Card #1EVGA 1080ti FTW3 water block & Titan Xp copper water block
    MonitorAOC G2460PG 24"G-Sync 144Hz & ASUS VG248QE 24" 144Hz
    Storage #12-Samsung 970 Evo Plus 500gb M.2 & 2.5" ssd's 850 pro's for os 850 evo for games
    Storage #22-LG Blu-Ray WH16NS40
    CPU Coolerx99 2-240GTX with Heatkiller-4-Pro/ vrm water block Both&x299 2-280GTX 2-D5's before and after rads
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    ThrashZone's Avatar
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    Hi,
    Probably doesn't help your C partition is at 73%
    Storage and optimize drive.

    Put os and programs on a smaller m.2 500gb
    Put all personal files/ games on a larger m.2 1tb or heck even a 2.5" ssd 1-2tb if no other m.2 is an option

    All ssd's slow down once it starts to fill up
    Use samsung magician to see the state of the ssd.

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