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    DELL XPS 13 9350 SSD performance.

    Discussion in 'Dell XPS and Studio XPS' started by haris2887, Jan 20, 2016.

  1. haris2887

    haris2887 Notebook Enthusiast

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    HI All.
    Si i have bought a new XPS 13 9350, 15,8gb,QHD+,256GB SSD.

    I am wondering what normal performance numbers are for the SSD, I have a fresh install of windows with nothing loaded on. I have set to BIOS to AHCI (Instead of RAID), then I installed windows 10 and the Samsung nVME driver along with all the other Dell drivers (with the exception Intel RST). I did set the Bios to AHCI before iI i installed windows 10.
    Advertised results are below, I am getting no where near that.


    Here are the results.(Attached).

    Am I missing something here, seems to me the numbers are quiet low compared to what others are getting ?
     

    Attached Files:

    haris2887, Jan 20, 2016
    #1
  2. LOUSYGREATWALLGM

    LOUSYGREATWALLGM Notebook Deity

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    You are comparing your PM951 to 950 Pro advertised speed.
     
    LOUSYGREATWALLGM, Jan 20, 2016
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  3. LOUSYGREATWALLGM

    LOUSYGREATWALLGM Notebook Deity

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    Here's your SSD specs

    Max Sequential Read Up to 2150 MBps
    Max Sequential Write Up to 1500 MBps
    4KB Random Read Up to 90,000 IOPS
    4KB Random Write Up to 70,000 IOPS
    MTBF 1,500,000 hours

    ** Your bench result (write speed) doesn't look good **
     
    LOUSYGREATWALLGM, Jan 20, 2016
    #3
  4. didsip

    didsip Notebook Consultant

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    Looks pretty normal to me; I'm getting similar results with CrystalDiskMark on my XPS 13.
     
    didsip, Jan 20, 2016
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  5. ghtop

    ghtop Notebook Consultant

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    Now compare same with RAID/Intel RST drivers.

    cdm_511.PNG

    Go figure ...
     
    ghtop, Jan 20, 2016
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  6. haris2887

    haris2887 Notebook Enthusiast

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    Any Suggestions on a fix ? should i Put a warranty claim through as it could be possibly faulty SSD (unlikely).
     
    haris2887, Jan 20, 2016
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  7. Curamrda

    Curamrda Notebook Enthusiast

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    Curamrda, May 25, 2016
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  8. Curamrda

    Curamrda Notebook Enthusiast

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    Hello finally my new XPS 13 come... but I had very big troubles with win instalation... Since its XPS 13 9350 2016, its equipped with Toshiba SSD THNSN5512GPU7 instead of Samsung 951 :(

    Well the Toshiba should be much better:

    [​IMG]
    http://www.thessdreview.com/our-reviews/ngff-m-2/toshiba-xg3-m-2-nvme-ssd-review-1tb/3/


    but mine is terrible:
    [​IMG]
    First we tried to install Win 7, but BSOD happened during booting. The problem is that I had use MBR instead of GPT because of the TrueCrypt works only with MBR. . Anyway, we had to install Win 10, with MBR and AHCI :(

    How to make the SSD better?

    Shall create completly new thread with XPS 13 2016 ?
     
    Curamrda, May 25, 2016
    #8