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Thread: 965p-ds3 ssd low raid performance

  1. #1
    Join Date
    May 2010

    Default 965p-ds3 ssd low raid performance

    Need some help in getting my raid set up & running please. This has me pulling my hair out!

    I have two intel x25-v setup in a raid 0 and they're not performing as well as they should.

    motherboard is gigabyte 965p-ds3.

    So here's a list of what i have done:
    ACHI is set in bios along with raid.
    Created the raid0 array with a 128k stripe size.
    Went to install win 7 64bit and loaded the gigabyte 64bit sata raid drivers because win7 wouldnt detect my raid array w/o them.

    I've also reinstalled windows this time loading the jmicron raid drivers released in march 2010. Still no dice, same performance issues.

    It looks like my read speeds are capped at 170-180MB, which is what the drive is advertised as a single SSD. The drive write speed is advertised as 35MB, yet in these benchmarks, im getting 80MB writes, which would mean the raid0 is working in a way, i guess?

    Here's a couple pictures of some benchmarks and device manager:


    HD Tune:

    AS SS D

    Device manager:

    Any ideas?

  2. #2
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: 965p-ds3 ssd low raid performance

    do you know if you can update the firmware for those drives???
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
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    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
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  3. #3
    Join Date
    May 2010

    Default Re: 965p-ds3 ssd low raid performance

    second thing i did after making the changes in the bios. both drives are running the 02hd FW

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    PCB Island

    Default Re: 965p-ds3 ssd low raid performance

    You should reinstall, and this time use the Intel ports and drivers!

    Put your disks on SATAII-0/1 Yellow ports, and use the Intel Preinstall drivers here

    Of course align your array before you install too! Use an alignment twice what you would on a single disk, I use 1024kb offset with 128kb stripe.

    Then be sure you install the Matrix program and enable Write Back Cache (Can also be enabled in Device manager, properties, policy - for the array)

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