With a maximum transfer rate of 480 Mbps, USB 2.0 was 40 times faster than USB 1.0. ... USB 3.0 debuted in that year, and it could transfer data ten times faster than USB 2.0, at speeds up to 5 Gbps. USB 3.0 was also known as SuperSpeed, to differentiate it from the optimistically-named “hi-speed.”
