SuperSpeed USB 3.0 FAQ
 

The world's best-known computer peripheral interface once again receives a major revamp (following Wireless USB) to stay current with modern demands for connectivity bandwidth. Dubbed "SuperSpeed USB", USB 3.0 promises a major leap forward in transfer speeds and capability, while maintaining backwards compatibility with USB 2.0 devices. It may sound straightforward, but a lot has had to change; in this FAQ we will address the most common questions about USB 3.0 and explain in plain English what it all means.

http://www.everythingusb.com/superspeed-usb.html