Aten VS491 - Switch VGA 4x1 desktop


4 Port VGA Video Switch. Resolutions up to 1920x1440, from VGA to UXGA. No software required.



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VS491 is a video switch with 4 ports. It allows 4 independent computers to display their video outputs on a single monitor. Therefore, users will not need to buy monitors for each computer additionally.


  • Displays the video output of four computers on a single monitor or projector
  • Computer selection via pushbutton switch
  • Electronic switching for greater reliability and durability. 
  • Easy Installation - No Software Required. 
  • Long distance transmission - up to 10m 
  • High resolution video - up to 1920x1440.
  • DDC, DDC2, DDC2B Compatible. 
  • Supports VGA, XGA. SVGA, UXGA and Multisync monitors
  • OS Support: Windows 2000, Windows XP, Linux, Mac and Sun

Package contents:

  • 1x 4-Ports VGA Switcher
  • 1x Power Adapter

Data sheet

Video Inputs
Resoluciones VESA
1920x1200 - WUXGA

Video Input

Interfaces 4 x HDB-15 Female (Blue)
Impedance 75 Ώ
Max. Distance 1.8 m
Video Output
Interfaces 1 x HDB-15 Female (Blue)
Impedance 75 Ώ
Max. Distance 10 m


Max. Bandwidth 150 MHz
Max. Resolution Up to 1920 x 1440
Max. Distance Up to 10 m


Power 1 x DC Jack

Power Consumption



Operating Temperature 0 - 50°C
Storage Temperature -20 - 60°C
Humidity 0 - 80% RH, Non-Condensing

Physical Properties

Housing Plastic / Metal
Weight 0.18 kg ( 0.4 lb )
Dimensions (L x W x H) 12.00 x 6.52 x 4.40 cm (4.72 x 2.57 x 1.73 in.)

Carton Lot

20 pcs


For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

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