My goodness, that thing has a PS/2 keyboard port. Maybe I can drag my first-generation Microsoft natural keyboard out of retirement.
Some gamers still prefer PS/2 if given the choice, even though there's little technical advantage. Although their most cited reason (key rollover) isn't valid; the keyboard determines how many simultaneous key presses it will transmit over USB.
http://www.maxkeyboard.com/max-keyboard-nighthawk-x8-blue-ba...