TRIPP LITE B022-004-R 4-Port Desktop KVM Switch
Allows controls of 4 computers with 1 keyboard, monitor & mouse console ; Ultraslim design takes up very little space & allows ;horizontal or vertical positioning ; Connects to a PS/2 or USB computer using Tripp Lite(R) P774-series or P776-series cable kits (sold separately); Plug & play; Fully compatible with all major operating systems, except Mac(R) & Sun(R); RoHS compliant;1-year warranty