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Ergotron LX Dual Stackable Monitor Arm Tall Pole


From: $605.00

Whether you need 2, 3 or 4 Monitors the LX Dual Stackable with Tall Pole has all configurations covered.


This multi-monitor mount lets you position large screens separately for a new level of flexible working.

The Ergotron LX Dual Stackable Monitor Arm Tall Pole allows you to display multiple screens in a multiple of ways.

You can even add a laptop tray accessory to your arm extension so you can set a screen and laptop side by side.

Includes two, three or four (select quantity in drop down box) LX arms and extensions, 23″ pole, heavy-duty two-piece desk clamp base with dual screws, two pole collars, two caps, grommet mount plate and hardware and monitor mounting hardware.

To support a laptop, order the Notebook Tray – Ergotron LX Notebook Tray

If you want to add a third or fourth display later, you can also order the LX Arm, Extension and Collar Kit separately: Ergotron LX Tall Pole Extension and Collar Kit

Screen Requirements:

  • Screen/Monitor must have Standard VESA Mount (100mm x 100mm & 75mm x 75mm)
  • To support a laptop, order the Notebook Tray (see Notebook Tray link above)
  • To facilitate stacking of monitors, maximum outside height of display should be no more than 530mm (21″)
  • To align monitors side by side, maximum outside width should be no more than 1020mm (40″)
  • 2 Arm Weight Capacity: 3.2 – 10kg per arm
  • 3 Arm Weight Capacity: 3.2 – 6.6kg per arm (add 1 Extension Kit)
  • 4 Arm Weight Capacity: 3.2 – 5kg per arm (add 2 Extension Kits)


  • Arm extended reach: up to 640mm
  • Vertical height adjustment: 330mm
  • 360° Rotation, 360° Pan and 75° Tilt
  • Pole: 580mm
  • Desk Clamp attaches to surface up to 66 mm thick
  • Grommet Mount attaches through surface holes 8 to 50 mm wide and up to 76 mm thick
  • Product Weight: 8.6kg


  • Support up to 4 screens with the LX Arm, Extension and Collar Kit accessory
  • Extra flexibility: Each arm lifts, extends and rotates for the best view
  • More motion: Places screens one over the other or on either side
  • More workspace: Free up your desktop for office essentials
  • New clamp and grommet mount base ensures greater stability of display and arm
  • Sleek build – Streamlined look enhances your work area
  • Quality design, built for years of use (by passing the 10,000-cycle motion test)
  • BIFMA level® 2 certified for a low environmental and social impact
  • Warranty: 10 years

How to place an order:

You will need to select an option from both drop downs above. When all options have been selected your price will be displayed under the options.

  • Colour Option: select if you want your LX Dual Stacking Arm Tall Pole in Black, White or Polished Aluminium
  • Arm Extension QTY: select the number of arm extensions (2, 3 or 4) you want to install onto your pole

Then add your item to your cart.

Additional information

Weight 18 kg
Dimensions 48 × 81 × 19 cm