Maintain strict separation between users and connected systems with a secure KVM matrix switch designed for high-trust environments. This Black Box model supports 2 users and 4 sources, giving teams controlled access to multiple classified or sensitive systems without exposing peripherals or video paths across domains. NIAP 3.0 certification matters when policy, auditability, and operational discipline are non-negotiable. The DVI-I and USB interface combination supports dependable workstation integration while preserving the security posture expected in defense, government, utilities, and other regulated environments. Matrix switching adds flexibility for shared operator stations where access must be tightly governed, yet fast enough to keep work moving. Choose this platform when lower-cost KVM gear is not enough. Secure KVM deployments are purchased for assurance, not convenience: validated isolation, controlled user access, and a hardware design aligned to environments where a mistake can become an incident. For teams standardizing secure console access, this model delivers the right balance of access density and policy-driven control.