Black Box Secure KVM Switch, DisplayPort, 4-Port, CAC, NIAP 3.0 (Quad Head)The Black Box Secure KVM Switch is a high assurance, military grade solution designed to give a single operator secure, seamless control over up to four DisplayPort enabled computers from one keyboard, mouse, and display. Built for environments where data integrity and access control matter most, this quad head KVM delivers robust CAC authentication, NIAP 3. 0 compliance, and a streamlined user experience that reinforces productivity without