I have a lot of transferring to do to my USB 3 HD between a 2009 MBP and iMac. They only have USB 2 ports and the speed is slow (30MB/s). On a newer mac with USB 3 ports, the speeds are much faster (100MB/s). Would it be faster to connect the usb disk to the new rMBP with USB3 ports and connect to the hard disk remotely from the old 2009 Macs (using File Sharing)?
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