USB Standards

USB 0.7

Nov 23, 1994

USB 0.8

Dec 23, 1994

USB 0.9

Apr 23, 1995

USB 0.99

Aug 23, 1995

USB 1.0

Nov 23, 1995

USB 1.x

Jan 23, 1996

-USB 1.0 specified data rates of 1.5 Mbit/s

USB 2.0

Apr 24, 2000

480 Mbit/s called High Speed, in addition to the USB 1.x Full Speed signaling rate of 12 Mbit/s

USB 3.0

Nov 24, 2008

-New SuperSpeed mode
-Backward compatible with USB 2.0
-5.0 Gbit/s

USB 3.1

Jul 24, 2013

-The USB group revealed plans to update USB 3.0 to 10 Gbit/s