USB Type A

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USB Type A

The common rectangular USB plug and socket. Type A is the port on the computer (the host). The ports on the peripheral or mobile device are Type B, Mini USB, Micro USB or Lightning. Before USB-C was introduced, Type A ports were found on every computer. Today, laptops are increasingly using only USB Type C, which is expected to eventually replace all USB connectors. See USB and USB Type C.


References in periodicals archive ?
Type A connectors are available in 110-pin size, and Type B in 95-pin, 110-pin and 125-pin sizes; both can be with or without side shields.
(Note that type A connectors represent the original design, rated to 16 GHz.