— a specialized port used only for keyboards or mice. Due to its large size, it is mainly used in desktops and is practically not found in laptops, mini-PCs and other compact equipment. Therefore, very few keyboards with their own PS/2 plug are produced, especially since USB keyboards are compatible with this connector through a simple adapter. On the other hand, connecting to PS/2 leaves free USB ports, which may be required for a variety of devices.
