What does the abbreviation USB mean, the most common connector? USB ports can be found in computers, laptops, chargers, televisions and even in modern cars. It is used to connect various devices with each other, e.g. a telephone, external drive, USB flash drive with a computer, or also e.g. smartphone chargers with a power plug. Do we know what the abbreviation USB means? It comes from the English word “Universal Serial Bus” which means universal serial bus. The USB connector was invented in 1996 by Microsoft, Intel, Compaq, IBM and DEC. It was the USB 1.0 version that allowed data transfer rates up to 12 Mbit / s. For comparison, the USB 4 version allows you to achieve transfer speeds of up to 40 Gbit / s.