SX22H-3 is a secure 2x2 4K30 UHD HDMI mini-matrix KVM switch. It enables viewing and controlling two computers with different security classifications simultaneously while securely sharing peripherals - keyboard, video, mouse, and audio devices. SX22H-3 provides the highest possible isolation between connected computers and is NIAP Common Criteria Protection Profile version 3.0 (PP3.0) certified.