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    Backup on USB 3.0 Speedy Gonzales..

    Discussion in 'VAIO / Sony' started by Riccardo_Ric, May 18, 2010.

  1. Riccardo_Ric

    Riccardo_Ric Notebook Guru

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    Full image backup of disk C: (3 partitions) using Macrium Reflect Free Edition.
    From SSD Raid 0 (3x64 GB) to external USB 3.0 Freecom 1.5 TB

    Very impressive speed

    [​IMG]

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    Dimension of destination file image backup (compressed): 27.257.819 kB.

    Job completed in 460 sec equivalent to 59256 kB/s



     
    Last edited by a moderator: May 8, 2015
    Riccardo_Ric, May 18, 2010
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  2. beaups

    beaups New Jack Hustler

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    59MB/sec is pretty much exactly the speed USB 2.0 (not 3) "should" be (that's 480Mbps pretty much on the nose). Too bad we need usb 3 to hit speeds that usb 2 should've done :(
     
    beaups, May 18, 2010
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  3. Riccardo_Ric

    Riccardo_Ric Notebook Guru

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    Formally you are right but the same job has been performed at 9 MB/s on a USB 2.0 drive.

    Those time are all including all necessary overhead in backing up process.

    I think that 6.5 ratio (in theory it should be ratio 10) better than USB 2.0 is not too bad.
     
    Riccardo_Ric, May 18, 2010
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  4. beaups

    beaups New Jack Hustler

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    I agree it's way better than what we get on USB 2.0...I'm saying USB 2.0 "should've" been this fast :)
     
    beaups, May 18, 2010
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  5. FXi

    FXi Notebook Deity

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    Overhead plays into it. Fact is that USB 3 is likely to pan out as 2-3 times as fast as USB 2. For large jobs like backups, that leads to some tangible time savings :)
     
    FXi, May 18, 2010
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  6. b|lly

    b|lly Notebook Deity

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    Why dont you just copy some ISO file from SSD directly to usb 3.0 drive? Process of making backup also take some time away.
     
    b|lly, May 19, 2010
    #6