External Hard Drive Question

Discussion in 'MacBook Air' started by Phil22, Jul 20, 2012.

  1. Phil22 macrumors member

    Apr 29, 2009
    Hi just a quick question regarding this external hard drive:


    It says it supports USB 3.0, will this work on the new mac air as USB 3.0 or only 2.0?

    It's because I read a review online which had this in its last paragraph:

    "In the AJA system tests, the 38.2MBps speed it obtained in the read portion pushed it near the top of the class of drives that we’ve tested. As previously mentioned, the My Passport Essential offers USB 3.0, which is unfortunately not supported by the Mac, but will work with the Mac’s USB 2.0 ports."

  2. Macman45 macrumors G5


    Jul 29, 2011
    Somewhere Back In The Long Ago
    The description applies to the old MBA which only has USB 2 ports. If your Mac has USB 3 then it will work in USB3 mode fine...If your Mac has USB2 it will still work. As described it is USB 2 compatible as are nearly all USB 3 peripherals:

    "Dual USB 3.0 and USB 2.0 compatibility"

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