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White dual monitor arm with two vertical poles and desk clamp

Ergotron

Ergotron 45-492-216 LX Dual Stacking Arm White 40 lb 24 VESA 75 100 install accessory

SKU CH-G52Y-PGHTR MPN 45-492-216

A dual stacking arm holds two monitors up to 24 inches and 40 lb each on VESA 75 and 100 mounts with full motion adjustment

  • Mounting typeMounting Arm
  • TV weight limit40 lb (18.1 kg)
  • VESA compatibility100 × 100 75 × 75
  • Product colorWhite
  • Supports two 24-inch monitors side by side
  • Holds up to 40 lb total weight capacity
  • Fits VESA 75x75 and 100x100 patterns
  • Full-motion arms adjust up, down, forward, back
  • Includes desk clamp and extension pole for installation

Dual stacking monitor arm for two screens

The Ergotron LX Dual Stacking Arm holds two monitors up to 24 inches each in a vertical arrangement. It supports displays weighing up to 40 lb per arm and fits VESA 75 x 75 and 100 x 100 mounting patterns. The white finish suits light-coloured workspaces.

VESA 75 and 100 patterns only

The arm attaches to monitors using the two VESA standards listed. Screens with other hole spacings cannot be mounted without an adapter bracket not included in the package. The desk clamp secures to surfaces up to the thickness allowed by the clamp design.

40 lb per arm weight limit

Each arm is rated for a maximum load of 40 lb. Monitors heavier than this will exceed the safety rating and may cause the arm to sag or fail. Verify the weight of each display before purchase.

How it compares

Measured against everything we stock in TV Wall Mounts & Install Kits, at today’s prices. Recalculated every night.

Price $260.99
Pricier than about 90% of the 1,540 comparable items (median $47.99).

Specifications

Product
Brand nameErgotron
Product lineLX
Product colorWhite
Size & build
Mounting typeMounting Arm
TV weight limit40 lb (18.1 kg)
VESA compatibility100 × 100 75 × 75
Shipping weight7.26 kg
Package size508 × 406 × 254 mm

Questions about this item

Should I choose the white 45-492-216 or another colour for a dual 24-inch VESA 75x75 and 100x100 setup?

The 45-492-216 is the white LX Dual Stacking Arm that supports two 24-inch monitors on VESA 75x75 and 100x100 patterns with a 40 lb total capacity. Other colours exist but are separate part numbers.

What does the 40 lb capacity mean when I mount two monitors on the stacking arm?

The 40 lb limit is the combined weight of both screens plus any attached accessories; each monitor must stay within that total so the arm moves smoothly and holds position.

How does the VESA 75x75 and 100x100 interface limit the monitors I can attach?

The arm only fits displays with 75 mm or 100 mm square mounting holes; screens with larger VESA patterns or proprietary brackets cannot be mounted without an adapter.

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