Timeline of USB

Prereleases

• USB 0.7: Released in November 1994.
• USB 0.8: Released in December 1994.
• USB 0.9: Released in April 1995.
• USB 0.99: Released in August 1995.
• USB 1.0 Release Candidate: Released in November 1995.

USB 1.0

• USB 1.0: Released in January 1996.
  Specified data rates of 1.5 Mbit/s (Low-Speed) and 12 Mbit/s (Full-Speed).
• USB 1.1: Released in September 1998.
  Fixed problems identified in 1.0. Earliest revision to be widely adopted.

USB 2.0

external image 180px-Certified_Hi-Speed_USB.svg.png

The Hi-Speed USB Logo

• USB 2.0: Released in April 2000.
  Added higher maximum speed of 480 Mbit/s (now called Hi-Speed).

USB 3.0

external image 180px-USB_3.0_Icon.svg.png

The USB 3.0 logo

external image 180px-Certified_Superspeeed_USB_logo.svg.png

The SuperSpeed USB

• USB 3.0 is expected to be 10x faster than USB 2.0. It can transfer data at 4.8 Gbit/s.

On September 18, 2007, Pat Gelsinger demonstrated USB 3.0 at the Intel Developer Forum. USB 3.0 is likely to hit consumers in 2010.