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  1. #1
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    Crosshair V Formula-Z RAID-0 (SLOW WRITE SPEEDS)

    I am having a very strange issue regarding the RAID-0 setup I run with my Crosshair-V formula Z motherboard.
    I am using the builtin RAID controller packed with the motherboard.
    My read speed are fine averaging around (990 MB/s - 1000 MB/s) which is what I expected
    However my write speeds are very poor only averaging (200 MB/s- 300 MB/s)
    This is not optimal! My write speeds should be around (800 MB/s)

    Here are my specs
    • Motherboard: Crosshair V Formula-Z
    • CPU: AMD FX8350 (OC 4.8Ghz)
    • RAM: 1600MHz Gskill Trident X
    • OS: Windows 10 x64
    • GPU: Matrix 980 (NVIDIA)


    WHAT I HAVE TRIED

    I have tried breaking the RAID0 and Secure Erasing both SSD's, changing the stripe block to 128K. Nothing seems to work as far as increasing the write speeds.


    • I have the latest BIOS
    • Can't seem to find any raid drivers from ASUS
    • Both SSD's are running the latest firmware


    Here are pics of the RAID utility and RaidEXpert

    Click image for larger version. 

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    Click image for larger version. 

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    My Speeds as of now

    Click image for larger version. 

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    Last edited by golferdrew32; 11-21-2015 at 09:36 PM.

  2. #2
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    A help, please, about RAID 0

    How you managed to install windows in Raid 0?
    That driver was charged to identify the raid volume during the installation of windows?

    Thank you!

  3. #3
    ROG Guru: Green Belt Array Dr. Zchivago PC Specs
    Dr. Zchivago PC Specs
    Laptop (Model)Lenovo Thinkpad T410
    MotherboardASUS Crosshair V Formula - Z
    ProcessorAMD FX 9590
    Memory (part number)BLE2KIT8G3D1869DE1TX0 (8-8-8-24, 1866 MHz)
    Graphics Card #1ASUS R9 390 STRIX (OC, GAMING)
    Storage #1SG Constellation 6 TB (6x1 TB) RAID 0
    Storage #2SG Constellation 2 TB (2x2 TB) RAID 1
    CPU CoolerNoctua NH-D15
    CaseCaseLabs STH-10
    Power SupplyCorsair AX1500i
    Keyboard Microsoft Sidewinder X4
    Mouse Microsoft Sidewinder X5
    Headset Logitech G930
    Mouse Pad Perixx 900x440x3 mm + Steelseries 320x270x3 mm + ALLSOP hard pad
    Headset/Speakers Logitech G930/Altec Lansing 5.1
    OS Windows 8.1 Pro (64 bit)
    Dr. Zchivago's Avatar
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    Quote Originally Posted by golferdrew32 View Post
    I am having a very strange issue regarding the RAID-0 setup I run with my Crosshair-V formula Z motherboard.
    I am using the builtin RAID controller packed with the motherboard.
    I have to start by writing that I am no expert with RAID.
    However, I always understood smaller blocks to be ideal for random operations.

    I did find several pages via TomsHardware forums that showed benchmark results that suggest you are certainly correct - should be much faster.

    I'll keep thumbing through articles in my free time, and let you know what I find in a few days (it's finals week now).

    Quote Originally Posted by rdsales View Post
    How you managed to install windows in Raid 0?
    That driver was charged to identify the raid volume during the installation of windows?

    Thank you!
    I didn't have any trouble at all installing onto my RAID0 array, and I too am using the built-in controller on the motherboard. Installed Win8.1 Pro normally, and the volume on the RAID0 array was found in the installation wizard, no problem.

    Z
    Resistance is futile (at <1 Ohm).

  4. #4
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    Quote Originally Posted by Dr. Zchivago View Post
    I have to start by writing that I am no expert with RAID.
    However, I always understood smaller blocks to be ideal for random operations.

    I did find several pages via TomsHardware forums that showed benchmark results that suggest you are certainly correct - should be much faster.

    I'll keep thumbing through articles in my free time, and let you know what I find in a few days (it's finals week now).



    I didn't have any trouble at all installing onto my RAID0 array, and I too am using the built-in controller on the motherboard. Installed Win8.1 Pro normally, and the volume on the RAID0 array was found in the installation wizard, no problem.

    Z

    I didn't have any trouble at all installing the OS on my RAID0. They only thing that is troublesome is the write speeds. I have also tried the 64k stripe block as well as the 128k same exact issue on both. I literally have no idea. I even tried to search for alternative raid drivers. Can't really seem to find anything useful.

  5. #5
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