The USB 3.0 Promoter Group teased us with the prospect of a 10Gbps USB standard back in January, and it now has something to show for its work: the alliance has finalized its specification under the USB 3.1 name. While little has changed with the port format in half a year's time, its completion lets AMD, Intel and others start work on chipsets that offer twice the bandwidth of USB 3.0 while preserving support for USB 2.0. There's no public r