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  1. #1

    Member Since
    Mar 23, 2009
    External USB HDD usage
    Hi everyone,

    I just installed a 1 TB Western Digital External USB HDD for Time Machine on an iMac. It is working well.

    Just one doubt; I had read somewhere that External Drives must not be left on for long periods of time. Is this true? Can I leave my external drives on for 10 hours a day or longer?


  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Texas, where else?
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    My primary external drive (sitting in an OWC aluminum pro quad case) has not been powered off since it was plugged in almost 2 years ago.

    My Time Capsule has not been powered down since it was plugged in last August.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  3. #3

    Member Since
    Mar 23, 2009
    Thanks bobtomay. That's reassuring news. Though OWC, I think is far superior to my WD USB.?

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