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Overview
The Ergotron LX Pro Dual Stacking Monitor Arm, part number 45-710-290, is a white dual-monitor mounting system designed to position two displays vertically, one above the other. Its articulated arms provide flexible screen positioning, while the tall pole and grommet mounting base support installation on compatible desks.
This configuration belongs to Ergotron's LX Pro series and is intended for workstations where vertical monitor placement helps organize the available desktop area. The two displays can be repositioned to accommodate different viewing arrangements and working requirements.
Dual-Stacking Configuration
The stacking configuration uses two articulated arms, two extensions, and two monitor pivots mounted on a shared vertical pole. This arrangement allows one monitor to sit above the other rather than side by side.
The arm assembly supports adjustment of monitor height, tilt, pan, and rotation. The base and articulated joints provide a range of movement for positioning the displays, while the integrated rotation stop can restrict rotation at the base when required.
Display Compatibility
The mount is designed for two compatible LCD monitors, typically up to 24 inches each. Each display must weigh between 1.8 and 10 kg, with a combined monitor weight not exceeding 20 kg.
Both monitors must use a compatible VESA MIS-D mounting pattern with 75 × 75 mm or 100 × 100 mm mounting holes. Screen size alone does not establish compatibility: monitor weight, depth, height, and mounting-interface requirements must also be checked.
For vertical stacking, the manufacturer's guidance specifies a maximum outside display height of 37 cm to facilitate the stacked arrangement. Larger displays may restrict movement even when their weight remains within the supported range.
Desk Mounting and Installation
This version uses a grommet mount, securing the monitor support through a suitable opening in the desk. The installation surface must accommodate the mounting hardware and provide sufficient clearance for the articulated arms.
The assembly includes a 30.4 cm vertical pole. Before installation, check the desk opening, desktop thickness, mounting access, and available clearance above and behind the workstation.
Cable Management
The LX Pro arm system incorporates cable management to help route monitor cables along the articulated assembly. Allow sufficient cable slack for the full range of monitor movement, particularly when extending the arms or rotating the displays.
Key Features
- Vertical dual-monitor arrangement: Positions two compatible displays one above the other.
- Broad weight capacity: Supports individual monitors weighing 1.8–10 kg, subject to a combined maximum of 20 kg.
- Articulated adjustment: Provides adjustable monitor positioning, tilt, pan, and rotation.
- Grommet desk mounting: Attaches through a suitable desk opening instead of using an edge-mounted desk clamp.
- Integrated cable management: Helps organize monitor cables along the arm assembly.
Applications
The vertical configuration can be used in office workstations, data analysis environments, technical work areas, monitoring stations, and other settings where two displays are used simultaneously but a side-by-side layout is not preferred.
DC Supplies Product Note
For stacked installations, check the outside height of each monitor as well as its weight. Ergotron specifies a maximum outside display height of 37 cm to facilitate stacking. Two displays may satisfy the weight limits yet still be unsuitable if their physical dimensions prevent the intended vertical arrangement or restrict the arm's movement.
Specifications
| Brand | Ergotron |
|---|---|
| Part Number / MPN | 45-710-290 |
| Product Type | Dual-monitor stacking arm |
| Product Series | LX Pro |
| Model | LX Pro Dual Stacking |
| Color | White |
| Mounting Type | Grommet desk mount |
| Number of Displays | 2 |
| Display Arrangement | Vertical stacking |
| Typical Maximum Screen Size | 24 inches per monitor |
| Minimum Individual Monitor Weight | 1.8 kg |
| Maximum Individual Monitor Weight | 10 kg |
| Maximum Combined Monitor Weight | 20 kg |
| Maximum Outside Display Height | 37 cm, to facilitate stacking |
| Vertical Pole Height | 30.4 cm |
| Tilt Adjustment | 70 degrees backward and 15 degrees forward |
| Base Arm Pan | 360 degrees; can be restricted to 180 degrees using the rotation stop |
| Monitor Mounting Standard | VESA MIS-D |
| VESA Hole Patterns | 75 × 75 mm and 100 × 100 mm |
| Maximum Extension | 65.6 cm |
| Cable Management | Integrated cable routing |
| Included Components | Two arms, two extensions, two monitor pivots, grommet mount, large base, 30.4 cm pole, two pole collars, and attachment hardware |
| Warranty | 10 years |
| UPC | 698833096354 |
Frequently Asked Questions
Can the Ergotron 45-710-290 mount two monitors vertically?
Yes. This LX Pro configuration is designed for vertical stacking, with one monitor positioned above the other.
What is the maximum combined weight of the monitors?
The combined monitor weight must not exceed 20 kg, and each individual monitor must weigh between 1.8 and 10 kg.
Will this mount work with any two 24-inch monitors?
Not necessarily. Both monitors must meet the weight limits, use compatible VESA mounting patterns, and fit within the physical constraints of the stacking arrangement. Ergotron specifies a maximum outside display height of 37 cm to facilitate stacking.
Does this model include a desk clamp?
This part number specifies the grommet-mounted configuration. The listed components include the grommet mount and large base rather than the standard two-piece desk clamp.
What should be checked before installation?
Confirm monitor weight, VESA compatibility, outside display height, desk-opening suitability, and available clearance. Ensure the mounting surface and installation method are appropriate for the assembled equipment.