Teal: Just like blue, but denoted as USB 3.1, supporting faster transfer speeds of up to 10 Gbps. Red: These are the newest and fastest devices available, categorized as USB 3.1 Generation 2 and USB 3 ...
USB ports began development in 1994 with the goal of creating a universal connector to replace the multiple standards used in computers of the time. Since then, USB ports have evolved significantly.