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  1. #1

    shahvikram123's Avatar
    Member Since
    Nov 16, 2006
    Location
    UK, London
    Posts
    638
    Specs:
    13 inch Macbook Pro Retina, 2.7ghz, 128gb SSD
    External HD + Mac = Okay?
    heard that some external HD's don't work on macbook pro because they
    run via USB and no power supply is needed. (via mains plug ) and the USB is power is not enough to use the HD...is this true for the following HD's and the normal macbook?

    http://www.ebuyer.com/customer/produ...uct_uid=113881

    http://www.ebuyer.com/customer/produ...uct_uid=119016

    thanks for any help...

  2. #2

    eric's Avatar
    Member Since
    Nov 04, 2006
    Location
    twin cities, mn, usa
    Posts
    8,708
    i haven't had a problem with running 2.5" drives up to 80Gb with one usb connection on my regular macbook (not pro).

    i think this may have been an issue with some older ibooks and such, but i haven't heard of any issues lately. additionally, most newer 2.5" ext drives and drive enclosures seem to come with the double usb cables to tap two ports if necessary.
    Please participate in our Member of the Month polls. Every vote counts! And remember to use the user reputation system!
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  3. #3

    kgeier82's Avatar
    Member Since
    Dec 01, 2006
    Posts
    1,495
    Specs:
    MBP 2.4/2GB/200HD/256 8600gt
    no problems here, with a mbp and a 60gb usb 2.5
    2.4ghz Unibody | Hitachi 320GB 7200 | 256MB 9600gt

  4. #4

    shahvikram123's Avatar
    Member Since
    Nov 16, 2006
    Location
    UK, London
    Posts
    638
    Specs:
    13 inch Macbook Pro Retina, 2.7ghz, 128gb SSD
    yh thanks, but i decided to get one which is powered by an AC adapter....

  5. #5

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,907
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    I have an iBook and my WD 80GB USB powered HDD runs just fine. Should be fine on a Macbook.

  6. #6

    cazabam's Avatar
    Member Since
    Jun 06, 2006
    Posts
    1,153
    Specs:
    MacBook 2.0GHz White, 512MB RAM, 60GB HDD
    The problems with power only tend to happen if the root hub is overloaded, e.g. if you run two such drives of a single USB interface. For normal use, and if you plug it directly into the machine rather than via a hub of any kind, you should only need a single USB connection.

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