Hall Research KVM-U4 4 Port VGA USB KVM Switch

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The KVM-U4 is a compact KVM switch for controlling up to 4 computers from a single keyboard, mouse and monitor. It is designed for desktop or rack mounting.


  • Hot key control
  • Push button and Auto Scan switching
  • Optional ear brackets for rack mounting
  • Supports USB or PS2 (with adapter)
  • Auto Scan Mode for monitoring
  • Audible alerts for confirmation


  • Host Port Connector: HD15 VGA
  • Host Ports: 4
  • Console Type: USB or PS/2
  • Maximum Distance: 16 Ft (5m)
  • Video Resolution: 1920x1440
  • Console Ports: Local Console
  • Computer Selection: Hot Key
    Push Button
  • HotKey: Scroll Lock + Scroll Lock
  • Auto-Scan Interval: 8 Seconds
  • Maximum Connected Computers: 4
  • Housing: Metal
  • Power: 9 vDC, 500 mADC
  • Operating Temperature: 0-50 degC
  • Storage Temperature: -20-60 degC
  • Humidity: 0-80%, Non-Condensing
  • Mechanical: Desktop or 19" Rackmount, 1U
  • Dimensions: 158 (mm) x 74 (mm) x 25 (mm)

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