NIAP-Certified PP4.0 One USB console controls 2 secure computers on 2 displays UHD Resolution: 3840 x 2160 @30Hz Port Selection via Push-Button and Remote Port Selector Isolated Channel per Port Active Chassis Intrusion Detection Integrated circuits are soldered directly onto the circuit board to hinder component sabotage Non-Reprogrammable Firmware Clears Keyboard Buffer Analog Speaker Support Supports Windows® 2000, Vista, 7, 8, 8.1, 10, 11 Linux, Mac OS X, & Sun