[DM-MUG] Electrical Q ref external harddrives

[Alan Maupin]

Most external 2.5 (not 3.5) drives up to 40-GB can be powered by a  
single USB port.  Drives larger that 40-GB (2.5) require a special  
dual USB Y plug.

Google this:  (2 Type A to 1 Mini 5)


On Apr 22, 2009, at 8:18 AM, Victoria L. Herring wrote:

> I have 50G Western Dig. drive that is allegedly self USB powered but
> maybe not enough from a laptop usb port  [it does work off my MacPro
> but not laptop] = it does have a port for power adapter and notes I
> have on it says "needs AC 100-240vac, 50-60hz, .3AMax, 24VA-31VA, DC
> output 5Vdc = 2A"
>
> Radio Shack had one for $25 which sounded nuts to me, but what do I
> know.  Any ideas as to whether that's the best I would do?  Or other
> options?
>
> Anywhere else in town to get one cheaper?  I need to send this off to
> my daughter this week [in Chile] and her little MacBook probably
> won't pass thru enough power.
> -- 
> Victoria L. Herring, Travel Research/Photography,
> http://www.JourneyZing.com; Lawyer, Discrimination/Civil Rights, Des
> Moines, Iowa http://www.herringlaw.com; personal blog,
> http://victorialherring.typepad.com/serendipity/
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