For sale are 5 computer keyboards. Four are high-quality Microsoft keyboards, one is Labtech. Priced at $5 each or all for $20. These are PS/2 style keyboards (Mini-DIN) which should connect to many desktops. USB to PS/2 adapters are available. PS/2 is faster than USB and offers NKRO compatibility. Preference given to a buyer that wants to buy all.