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    USB copy speed -- kinda slow

    Discussion in 'Lenovo' started by masmusic, Jan 26, 2009.

  1. masmusic

    masmusic Notebook Enthusiast

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    I have a new T400 and am migrating files from my old laptop to the new one. I am moving about 6 gig of files now from an external USB device. It's less than 2 years old. It's a Seagate 500 gig SATA drive in an ULTRA case, probably SATA 1.

    On several occassions now I'm seeing copying speeds of about 4 MB/seconds. Does this sound right? It seems kind of slow. USB 2 is supposed to be up to 480 MBts/sec or 60 MB/sec, correct?

    I have the Hitachi HTS722016K9SA00 in the T400.

    Update, I am watching the copying and it has gone up to 8 MB/Sec while it's copying mp3 files. Could the slow speed be related to lots of small files?


    Thanks
     
    masmusic, Jan 26, 2009
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  2. jaredy

    jaredy Notebook Virtuoso

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    Depends on file sizes as well.
     
    jaredy, Jan 26, 2009
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  3. mrjohn

    mrjohn Notebook Consultant

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    Lots of small files will take much longer to copy than a few large ones. USB is also host based as opposed to FireWire which has its own controller processor - although on a T400 that shouldn't be a massive problem.
     
    mrjohn, Jan 26, 2009
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