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Quite a discussion I found when looking for USB 3 hubs.

How do I get the best performance from the USB 3 ports?
The first device you plug in will configure the port, so always connect USB 3 capable hubs or devices first.

What happens if I plug in a USB 2 device into the USB 3 port first?
If you plug in a USB 2 hub first, all devices connected or "daisy-chained" to that hub will operate up to the maximum transfer rate of USB 2 speed (480 Mbps).

Is USB 3 supported in Windows 7 using Boot Camp?
Yes. To implement SuperSpeed USB support on Windows 7 using Boot Camp, download and install the Windows Support Software. See for more information.

Are there differences between USB 3 cables and other USB cables?
Yes. USB 3 cables:

Use more wires than other USB cables. This makes USB 3 cables a bit thicker than other USB cables.
Have a blue insert (usually).
Have an "SS" symbol on the computer connector.
Use a different connector on the device end than USB 2 cables.
Can deliver more power to an attached device (900mA).
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