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The initial creation of the USB standard was to find a means of making a standardized connector/port for devices such as mice, keyboards, peripherals, ect. The designers for of this USB were:
-Digital Equipment Corporation
-Compaq
-IBM
-Microsoft
-Nortel
-NEC -
Data rate of 1.5 Mbit/s and 12 Mbit/s
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Fixed problems with USB 1.0.
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APR 1, 2000
USB 2.0 ! Released in April of 2000, USB 2.0 was considered the Hi-Speed USB and had a rate of data tranfer of up to 480 Mbit/s. -
In octobot of 2000, Mini-A and Mini-B USB connectors were introduced.
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USB 3.0 was released in November 2008. The standard defines a new SuperSpeed mode with a signaling speed of 5 Gbit/s and a usable data rate of up to 4 Gbit/s (500 MB/s). A USB 3.0 port is usually colored blue, and is backwards compatible with USB 2.0
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A January 2013 press release from the USB group revealed plans to update USB 3.0 to 10 Gbit/s
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USB-C, technically known as USB Type-C, is a 24-pin USB connector system, which is distinguished by its horizontally symmetrical "reversible" connector. The USB Type-C Specification 1.0 was published by the USB Implementers Forum (USB-IF) and was finalized in August 2014. It was developed at roughly the same time as the USB 3.1 specification. A device that implements USB-C does not necessarily implement USB 3.1, USB Power Delivery, or Alternate Mode
