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Thread: Only getting SATA rev2 speeds from SATA rev3 components




  1. #1
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    Default Only getting SATA rev2 speeds from SATA rev3 components

    Recently build a new system using a MB with support for SATA 6Gb/s (ASRock H61M/U3S3) and HDD 6Gb/s (WD5000AAKX) and my speeds are no better(actually worse) than an older computer I have with only SATA rev2 components. Feel like itís something simple but just canít think of it. Any help is appreciated. Here are the numbers from CrystalDiskMark. Thanks

    Old Machine
    CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo
    Crystal Dew World : Crystal Dew World
    -----------------------------------------------------------------------
    * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

    Sequential Read : 76.066 MB/s
    Sequential Write : 74.979 MB/s
    Random Read 512KB : 34.889 MB/s
    Random Write 512KB : 30.278 MB/s
    Random Read 4KB (QD=1) : 0.493 MB/s [ 120.3 IOPS]
    Random Write 4KB (QD=1) : 0.855 MB/s [ 208.8 IOPS]
    Random Read 4KB (QD=32) : 0.620 MB/s [ 151.4 IOPS]
    Random Write 4KB (QD=32) : 0.869 MB/s [ 212.2 IOPS]

    Test : 1000 MB [C: 29.5% (14.4/48.7 GB)] (x5)
    Date : 2012/02/05 1:50:54
    OS : Windows 7 SP1 [6.1 Build 7601] (x86)


    New Machine
    -----------------------------------------------------------------------
    CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
    Crystal Dew World : Crystal Dew World
    -----------------------------------------------------------------------
    * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

    Sequential Read : 70.855 MB/s
    Sequential Write : 65.807 MB/s
    Random Read 512KB : 23.824 MB/s
    Random Write 512KB : 37.467 MB/s
    Random Read 4KB (QD=1) : 0.233 MB/s [ 57.0 IOPS]
    Random Write 4KB (QD=1) : 0.764 MB/s [ 186.4 IOPS]
    Random Read 4KB (QD=32) : 0.867 MB/s [ 211.8 IOPS]
    Random Write 4KB (QD=32) : 0.817 MB/s [ 199.4 IOPS]

    Test : 1000 MB [C: 84.4% (392.9/465.7 GB)] (x5)
    Date : 2012/02/05 11:43:03
    OS : Windows 7 Home Premium Edition SP1 [6.1 Build 7601] (x64)

  2. #2
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    Running in ahci mode?and using Intel sata3 ports? Tried disabling usb3 to see if speeds increase? And using latest Intel rst drivers and chipset driver's

    Sorry just realised your using a mechanical hdd as aposed to an ssd,you won't see any real improvement with a mechanical hdd from sata2 to sata3,only with an ssd you would see a huge improvement
    Last edited by wazza300; 02-06-2012 at 02:22 AM.
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    Thanks wazza300. I've been looking at this ssd.

  4. #4
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    It uses asynchronous nand memory and will give you lower read/write figures when drives half full,the corsair Gt 60gb uses superior synchronous nand memory where this problem doesn't happen,same for crucial m4 and ocz vertex 3
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    Thanks again. I'll look at those.

  6. #6
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    Check out the links in http://forums.tweaktown.com/storage-...rformance.html to confirm what Wazza said about the inferior performance of ssds that use asynchronous NAND memory. You can't judge an ssd's real world performance just by looking at benchmark scores. Many manufacturer's websites don't always make it clear which type of NAND memory is used in each of their ssd models.
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  7. #7
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    Default Re: Only getting SATA rev2 speeds from SATA rev3 components

    Thanks profJim. I'll do some research.

  8. #8
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    Cool Re: Only getting SATA rev2 speeds from SATA rev3 components

    You're welcome.
    If your hard drive partitions were created under win7 they will automatically be 4K aligned for maximum performance.
    You can run AS_SSD where it will show you if a partition is 4K aligned.
    Check out http://forums.tweaktown.com/gigabyte...tml#post383199, post #44 for a 4K aligned hard drive benchmark comparison.

    This picture shows some results from my P35 sata2 system.
    The AS_SSD results are not from my system, but they show how AS_SSD displays information that shows if a partition is or isn't 4K aligned.
    The lower left CDM score is from my WD640 Caviar Black hard drive.

    Copy and paste the picture into your image viewing program where you can zoom in and read the details.

    Only getting SATA rev2 speeds from SATA rev3 components-benchmark-samples-p256c-jpg
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


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