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Belkin 4-port single-head DisplayPort secure KVM switch with CAC reader, matte black box

Belkin

Belkin 4-Port Single Head DisplayPort Secure KVM with CAC

SKU CH-ZHS9-XS23V

A secure four-port DisplayPort KVM switch with CAC reader for single-head multi-computer control

  • Single-head design simplifies multi-system control
  • Four ports connect up to four computers
  • CAC reader support enables smart-card authentication
  • DisplayPort video delivers clear digital output
  • Belkin engineering backs reliable KVM performance

4-Port Single-Head DisplayPort Secure KVM

This Belkin KVM switch lets one operator control four separate computers using a single DisplayPort monitor, keyboard and mouse. It is built for environments that require strict isolation between connected systems. The integrated CAC reader supports smart-card authentication for each attached machine. Government, defence and regulated-enterprise buyers use it to meet multi-domain security policies.

CAC reader and secure switching

The built-in Common Access Card reader allows users to authenticate on any of the four connected computers without moving the card between ports. Hardware-enforced data-path isolation prevents signal leakage between channels. Keyboard, mouse and video paths are electrically separated so no peripheral can bridge classified and unclassified networks. The switch also blocks unauthorised USB devices from reaching the target systems.

DisplayPort single-head limitation

Only one DisplayPort video stream is supported per port, so dual-monitor workstations cannot be driven from this unit. Each computer must provide a single DisplayPort output that matches the monitor's native resolution and refresh rate. Switching between ports introduces a brief video re-sync delay that varies with the attached graphics hardware. The device does not carry audio, USB hub data or other peripheral signals beyond keyboard, mouse and CAC.

Highlights

  • Single-head design simplifies multi-system control
  • Four ports connect up to four computers
  • CAC reader support enables smart-card authentication
  • DisplayPort video delivers clear digital output
  • Belkin engineering backs reliable KVM performance

Specifications

BrandBELKIN

Questions about this item

Does the 4-port single-head KVM need any firmware updates or module swaps over time?

The unit ships as a sealed secure appliance with no user-serviceable firmware or swappable modules; maintenance is limited to cable inspection.

What limit appears first when four DisplayPort sources run continuously through the switch?

The secure channel isolation enforces a fixed single-head path per port, so simultaneous multi-monitor spanning is the hard boundary.

How much heat and fan noise does the Belkin secure KVM produce during all-day operation?

The chassis is fanless and rated for passive cooling, so it runs silent with only warm exhaust at the rear vents.

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