USB 3.0 SuperSpeed provides the next step in the ever-improving performance of the Universal Serial Bus, with nearly ten times the performance of USB 2.0. As expected, USB 3.0 maintains compatibility with the USB 2.0 low-, full- and high-speed devices by incorporating the actual USB bus into the USB 3.0 cable along with the SuperSpeed bus. In addition, SuperSpeed devices operate when plugged into USB 2.0 ports. Major improvements in USB power management is achieved through a combination of USB link power management and the new xHCI host controller.
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