- Higher transfer rates (up to 4.8Gbps)
- Increased maximum bus power
- New power management features
- Full-duplex data transfers
- Support for new transfer types
- Backward USB 2.0 compatibility
- New connectors and cables
USB 3.0 is backward compatible with USB 2.0. There simply is not enough bandwidth in USB 2.0 to do HD video, but you can do a single channel SD video with Captiva when used with USB 2.0.