Thunderbolt
Thunderbolt is a name for an Intel initiative originally code-named Light Peak, an optical physical layer used to connect peripherals. Thunderbolt is a faster alternative to USB 3.0, Thunderbolt combines Display-Port and PCI Express into a serial data stream. The Thunderbolt Interface has been adopted by Apple Computer, however, is not making as big of a presence in the PC market.
Universal Serial Bus version 3.0
The USB 3.0 Interface is much faster and capable of handling todays high definition video demands.