What is different about USB 3.0 ports that allows USB 3.0 devices to communicate at higher speeds?

A.
USB 3.0 provides parallel processing techniques for optimal speeds.

B.
USB 3.0 provides and accepts greater voltage increasing overall performance

C.
USB 3.0 implements packet compression for fast data transfer

D.
USB 3.0 receptacles and plugs have twice as many contacts

Explanation:

Reference:
http://en.wikipedia.org/wiki/Universal_Serial_Bus