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  1. #1
    external harddrive transfer speeds

    Member Since
    Nov 10, 2008
    Posts
    1
    Question external harddrive transfer speeds
    I just picked up a SimpleTech 500GB external HD. 7200 rpm. Connected it to my new imac using USB port on back. The hard drive has it's own power supply. I have Time Machine backing up my entire computer right now. It's been hooked up for an hour and a half and only 1.75GB have transferred so far. Is it just me, or is this incredibly slow? Any ideas or suggestions? HD does not have firewire. Only USB 2.0.

  2. #2
    external harddrive transfer speeds
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,066
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    USB even USB2 is so slow and does not work all that well on macs anyway. Try SuperDuper and see what speeds you get there as a comparison and it is a problem no firewire external with a Mac.

  3. #3
    external harddrive transfer speeds
    hughvane's Avatar
    Member Since
    May 18, 2008
    Location
    Banks Peninsula, New Zealand
    Posts
    3,296
    Specs:
    MacMini 2.4, 8 Gb, OS 10.10 and 10.6; MacBook 2.4, 4 Gb, OS 10.6.8
    See if these links help you understand USB vs Firewire better:
    USB 2.0 versus FireWire
    Firewire vs. USB: A Comparison IEEE 1394 IEEE 1394a IEEE 1394b USB1.1 USB2.0 USB 2.0 Hi-Speed-Best Computer Online Store Houston Buy Discount Prices Texas-Directron.com

    Even so, given all the arguments about the two forms of data transfer, 1.75 Gb in 1.5 hours IS slow and is probably attributable to the bridge or chipset used in the external drive enclosure. No easy way around that other than buying a more Mac-friendly external enclosure - with firewire!

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