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    Firewire 800 and HDD

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Gershom, Apr 24, 2006.

  1. Gershom

    Gershom Notebook Enthusiast

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    Will a Firewire 800 be able to generate enough power to run a 3.5" external hard drive, Seagate 300GB Barracuda IV without the need of an external power supply?
     
    Gershom, Apr 24, 2006
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  2. Ice-Tea

    Ice-Tea MXM Guru NBR Reviewer

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    Probably not. There are several IEEE1394 power classes, where the highest delivers 1A@12V. Barracudas apparently rev up using 2.6A. So, even in the unlikely event they fitted a laptop with 1amp, it couldn't handle it.
     
    Ice-Tea, Apr 24, 2006
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  3. Gershom

    Gershom Notebook Enthusiast

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    Oh thank you for your reply

    This is the power specs of the hdd enclosure i'm getting:

    Power
    Universal auto-switching (UL, cUL, CE, TUV approved)
    Input: AC 100-240V, 1.2A, 50-60Hz
    Output: DC +12V/3A

    More info here - http://www.pccasegear.com/prod2307.htm


    So is there any other 3.5" hard drives that doesn't use as much power?
     
    Gershom, Apr 24, 2006
    #3