The next version of USB, USB 3.2, will double the speed of existing Type-C cables. Cables currently qualified for USB 3.1 generation 1’s 5Gbps will be able to operate at 10Gbps; those qualified for generation 2’s 10Gbps will be able to run at 20Gbps.

• Delivers 10Gbps USB data rate – 2x improvement over current SuperSpeed USB 5Gbps data rate
• Improved data encoding for more efficient data transfer leading to higher through-put and improved I/O power efficiency
• Compatible with existing USB 3.0 software stacks and device protocols
• Works with both existing 5Gbps USB 3.0 hubs and devices, as well as USB 2.0 products

http://www.usb.org/developers/ssusb

http://www.usb.org/press/USB_3.2_PR_USB-IF_Final.pdf