on 2013-09-05 18:16 Stan Halpin wrote
But what if I daisy-chain USB2 and USB3 devices? I am assuming that I take the same hit in potential speed. Which means I would want one or more USB ports free to use with USB3-capable externals, one or more USB ports to handle my older devices (printer, scanner, CD writer) which won't run at USB3 speeds. And one T'bolt port with FW adapter for FW800 externals, one T'bolt port with FW adapter for FW400 externals. Assuming all of the above is correct, I have thought of instead buying 2 new 4-6 TB RAID drives, backing up all of my legacy drives to the new drives, and stashing the old ones in a closet. But when I did the math, including memory and generous internal drive space, my projected 27" iMac was going to be close to $5000. Which is another reason I am putting off a decision for a while.
USB doesn't "daisy-chain" like FireWire, it uses hubs; plugging a USB 2 device into a USB 3 hub shouldn't slow the USB 3 devices - as i understand it the two protocols run on different wires
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