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how much power can a macbookpro provide for a usb ext hd?

262 Views 4 Replies Latest reply: Oct 11, 2012 4:33 AM by John Crawford3 RSS
John Crawford3 Calculating status...
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Oct 11, 2012 3:27 AM

I want to get 2 ext hds, for photos, one primary and one back up.  the portables are powered by usb.  will the mbp provide enough power?  8 watts?



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