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White aluminium and steel dual monitor arm with desk clamp, pole, two articulating arms and extension brackets

Ergotron

Ergotron 45-491-216 LX Dual Side-by-Side Mount White

SKU CH-5TP4-697S1 MPN 45-491-216

Holds two LCD screens up to 27 inches with a desk-clamp mount, pole, two articulating arms, extension brackets and a T-bracket in white aluminium and steel

  • Size100% Standard
  • Product typeTools and Hardware
  • Supports two screens up to 27" for expanded workspace
  • Desk clamp mount installs without drilling permanent holes
  • Two articulating arms allow independent screen positioning
  • White aluminium and steel construction resists daily wear

Dual Monitor Arm for Desks up to 27 Inch Screens

The Ergotron LX Dual Side-by-Side Arm mounts two LCD displays up to 27 inches on a single desk clamp. It includes two articulating arms, two extension brackets, a T-bracket and a pole made from aluminium and durable steel. The white finish suits modern workspaces and the assembly supports side-by-side positioning for expanded screen real estate.

Suited for Dual Screen Workstations Not for Single

This mount suits professionals who need two screens at matched height and reach for productivity tasks such as coding, design or financial analysis. Buyers who only need to support a single display should consider a single-arm solution. Those with screens larger than 27 inches or heavier than the arm's capacity will need a different mounting system.

How it compares

Measured against everything we stock in Stand Legs & Mounting Hardware, at today’s prices. Recalculated every night.

Price $314.99
Pricier than about 70% of the 957 comparable items (median $95.99).

Specifications

Product
Brand nameERGOTRON
Model name45-491-216
Product typeTools and Hardware
Size & build
Size100% Standard
Shipping weight7.26 kg
Package size489 × 464 × 178 mm

Questions about this item

How can I check the LX Dual Side-by-Side Mount is holding both screens securely after installation?

After clamping the pole to the desk, attach each monitor to its articulating arm and verify the VESA brackets sit flush. Gently pull each display forward and sideways; the arms should move smoothly and lock in place without sagging, confirming the 27-inch weight limit is respected.

What hardware comes in the 45-491-216 box and what must I source separately?

The kit includes a desk clamp mount, pole, two articulating arms, two extension brackets and a T-bracket. You will need to provide the monitors themselves and any VESA mounting screws that match your specific display models.

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