Kramer HighSecLabs Secure 4-Port, 4K30 UHD DisplayPort to HDMI KVM Switch - 4 Computer(s) - 1 Local User(s) - 3840 x 2160 - 2 x PS/2 Port - 6 x USB - 1 x HDMI - 4 x DisplayPort

SK41P-3 is a secure 4-port 4K30 UHD DisplayPort KVM switch. It allows users to share peripherals - keyboard, video, mouse, audio and USB - between four different security-level networks/computers while isolating all hosts and protecting against data leakage and malicious attacks through shared peripherals. SK41P-3 provides the highest possible isolation between connected computers and is NIAP Common Criteria Protection Profile version 3.0 (PP3.0) certified