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USB 1.0
The very first USB was released in January of 1996. The USB 1.0 has specified data rates of about 1.4 Mb/s for low bandwith, and about 12 Mb/s for higher bandwidth. -
USB 1.1
Before the release of the USB 1.1, USB's were not widely accepted, until the 1.1 solved many of the issues with USB 1.0 -
USB 2.0
TheUSB 2.0 increased the speed of the USB up to 480Mb/s and solved many problems of the USB 1.1 -
USB 3.0
Introducing the new supersped mode, USB 3 has dramatically increased the speed of the USb standard up to 5 Gb/s and is backwards compatible with USB 2.0 -
USB 3.1
The USB 3.1 doubled the speed of the USB 3.0 and introduced superspeed+
