Gefen 4x1 VGA Switcher



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The Gefen EXT-VGA-4x1 is a 4x1 VGA Switcher which allows you to connect and access up to four cross-platform computers from the same workstation.  With this VGA switch, there is no need for networking as everything is connected and routed through the small metallic Switcher. It switches analog video (VGA), USB keyboard/mouse controls and audio capability for each computer.

Gefen 4x1 VGA Switcher Backside
Gefen 4x1 VGA Switcher Backside

How the Gefen 4x1 VGA switch works:

Plug your peripherals directly into the back of the Switcher, connect the cables to the computers you want to control then push to select the computer you want to work on. The VGA Switcher allows you to choose between a Macintosh or PC keyboard/video/mouse combination. Switching between computers is done from a key switch or remotely using contact closure remote control (sold separately).

Gefen VGA Switcher Wiring Diagram
Gefen VGA Switcher Wiring Diagram

Gefen EXT-VGA-4x1 Features:

  • Switches easily between any four VGA computers with USB 1.1 and audio
  • Output is mirrored to two VGA displays
  • Maintains highest 1920x1200 resolution video
  • Use either PC or Mac USB 1.1 keyboard/mouse
  • Front panel switching
  • Parallel remote port (RMT-4 not included)
  • Supports resolutions up to 1080p, 2K, and 1920 x 1200
  • Includes rack ears

Gefen EXT-VGA-4x1 Package Includes:

  • 4x1 VGA switcher
  • (1) 12V Power Supply
  • (1) DVI-A to VGA adapter
  • (4) 6ft DVI-A to VGA cables
  • (4) 6ft USB cables
  • (4) Audio cables
  • Rack Ears

Gefen EXT-VGA-4x1 Specifications:

Height 1.75 in. (4.45 cm.)
Width 17 in. (43 cm.)
Depth 4.375 in. (11.113 cm.)
Rack Space 1U
Shipping Weight 10 lbs. (5 kg.)
Supply 12V AC
Consumption 18 watts (max)
Video DVI-I 29 pin female (analog only)
USB Input type "B"
USB Output type "A"
Input Signal  
Video 1.2 volts p-p
Sync 5 volts p-p (TTL)
Frequency Range  
Horizontal 15 - 70 KHz
Vertical 30 - 170 Hz
Video Amplifier Bandwidth 350 MHz