Slow transfer to USB pendrive with OSX

Discussion in 'Mac Basics and Help' started by profit42, Oct 25, 2009.

  1. profit42 macrumors newbie

    Aug 13, 2007

    If I copy a file to my USB pendrive with OSX Snow Leopard, by simply drag-dropping a file on my usb disk I get a transfer rate of about 2MByte/sec.

    If cp the file in a terminal window and time the process with "date && cp test.flac /Volumes/Cruzer && date" I get a transfer speed of approx 4MByte/sec.

    In contrary: with windows I get more than 10MByte/sec!

    Any solution for this? Or is there a more efficient program to copy files with for osx?
  2. madog macrumors 65816


    Nov 25, 2004
    Korova Milkbar
    It may be the fact that the drive is in FAT format, which isn't a native Mac OS format (but is compatible). You could try switching the partition table to GUID (assuming you have an Intel machine) and changing the format to Mac OS (HFS) to see if that is the case.

    To get the flash drive back it needs to be in Master Boot Record and FAT (in Disk Utility it says MSDOS).

    I'm not really sure if that's how it works, but it sounds logical to me.

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