- The new SuperSpeed+ USB 10 Gbit/s (USB 3.1) specification adds a 10 Gbit/s speed mode that uses a more efficient data encoding and will deliver more than twice the effective data through-put performance of existing SuperSpeed USB over enhanced, fully backward compatible USB connectors and cables_x000D_ - The specification extends the existing SuperSpeed mechanical, electrical, protocol and hub definition while maintaining compatibility with existing USB 3.0 software stacks and device class protocols as well as with existing 5 Gbit/s hubs and devices and USB 2.0 products_x000D_ * Improved data encoding for more efficient data transfer leading to higher through-put and improved I/O power efficiency_x000D_ * Compatible with existing USB 3.0 software stacks and device protocols_x000D_ * Works with both existing 5Gbit/s USB 3.0 hubs and devices, as well as USB 2.0 products_x000D_ * The USB type-C defines a new small reversible-plug connector for USB 3.1 devices_x000D_ * The type-C plug can be used at both host and device si