Sep 25, 2021 · The simplest and the most efficient way to put the difference is; USB standards like the, 3.1, 3.0, 2.0, etc defines the data transfer speed and the function of the USB cable, while the USB ports or plugs like USB type A, type B, type C, etc defines the shape of the cable plugs and ports. The USB type A is a very familiar rectangular port.
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