Maintain strict separation across four computers without sacrificing operator efficiency. This Belkin secure KVM is built for environments where access control, data path isolation, and consistent video handling matter every day. With support for both DisplayPort and HDMI workflows, it fits mixed workstation deployments that need a single operator console without exposing sensitive systems to unnecessary risk. CAC support adds another layer of access control for regulated environments, helping ensure only authorized users can interact with connected systems. That makes it a strong fit for defense, government, utilities, and other infrastructure teams that cannot accept consumer-grade switching behavior. The compact four-port design keeps the footprint focused while still supporting a practical multi-system desk setup. For teams standardizing secure access at the edge or in control rooms, this model offers the discipline expected from a premium secure KVM: clear separation, controlled switching, and compatibility with modern digital video paths. It is the kind of hardware purchased to reduce operational risk, not just to connect cables.