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Discussion in 'Mac Accessories' started by macmesser, Apr 12, 2014.
Can a Mac boot from a usb 3 drive connected to its usb 2 port?
In most cases, yes. Most USB 3 drives are backwards compatible with USB 2 and USB 1.
The only time it would raise an issue is on old G3 systems without firmware updates. They are backwards compatible for the most part as Intell stated.