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Ergotron 45-491-216 LX Dual Monitor Arm - White - 2 Display Support - 27" Screen - 40 lb Load Capacity
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Product Features
Technical Overview
This mounting arm features a dual-arm architecture that accommodates two displays with independent height, tilt, and swivel adjustments. The lift mechanism undergoes a rigorous 10,000-cycle durability test, ensuring smooth and reliable operation over years of daily use. Compatibility extends to standard VESA mounting patterns of 100x100 mm and 75x75 mm, covering a broad range of modern monitors.
With a footprint of 18" width by 19.25" length and a height of 6.25", the arm fits comfortably on most desks without excessive protrusion. The total weight of 11.60 lb reflects its solid steel and high-grade materials, contributing to stability under full load. The white finish offers a neutral aesthetic that blends with contemporary office environments.
Relevant factors for this section include Device Supported, Number of Displays Supported, Maximum Load Capacity, Color Family. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Ergotron LX arm stands out with its proven durability and versatile mounting options. The 10-year limited warranty underscores confidence in its construction, backed by extensive testing of the lift and pivot mechanisms. Users gain precise positioning control to reduce neck strain and improve viewing angles, enhancing productivity in multi-display workflows.
Enhanced Ergonomics
Independent adjustments for height, tilt, and swivel allow each monitor to be positioned optimally, reducing glare and promoting comfortable viewing over long sessions.
- Reduce neck and eye strain
- Customize viewing angles
- Minimize reflections
Space Optimization
By lifting displays off the desk surface, the arm frees up valuable workspace for keyboards, documents, or other peripherals, creating a cleaner and more functional area.
- Clear desk clutter
- Maximize usable surface
- Improve cable management
Deployment / Use Cases
This dual monitor arm is ideal for professional environments where screen real estate and ergonomic flexibility are priorities. Financial traders, software developers, and graphic designers benefit from side-by-side display arrangements that streamline multitasking and data comparison. The arm's robust load capacity ensures stability even with heavier, feature-rich monitors.
In corporate offices, the arm supports standardized dual-monitor setups for administrative staff, call centers, or IT support teams. The desk-clamp installation avoids permanent modifications, making it suitable for rented spaces or flexible workstations. For specialized applications, the arm can be configured to hold a laptop using an optional Notebook Tray accessory (50-193-200), expanding its utility beyond traditional monitors.
Trading & Analytics Desks
Simultaneously display market data, charts, and news feeds on two screens, with easy adjustments to track fast-moving information without visual fatigue.
Creative & Design Studios
Position reference images on one screen and editing software on another, maintaining an ergonomic posture during detailed design work.
Physical Profile
The arm's white powder-coated finish provides a sleek, modern look that resists scratches and fingerprints. Its compact base dimensions allow installation on desks as narrow as 20" deep, while the central pole and arms extend to accommodate varying monitor placements. The desk clamp secures firmly to surfaces up to 2.4" thick, ensuring stability without damaging furniture.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 6.25" (158.75 mm), 18" (457.20 mm), 11.60 lb (5261.67 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 18" (457.20 mm)
- Height
- 6.25" (158.75 mm)
- Weight
- 11.60 lb (5261.67 g)
- Length
- 19.25" (488.95 mm)
What's in the Box
The package includes all components needed for immediate setup of a dual-monitor mounting system.
Highlights
- Supports two monitors side-by-side for enhanced multitasking
- Holds displays up to 27" with a total load capacity of 40 lb
- White finish complements modern office aesthetics
- VESA compatible with 100x100 mm and 75x75 mm patterns
- Includes desk clamp, pole, T-bracket, and two LCD arms
- Lift mechanism tested for 10,000 cycles of reliable adjustment
- 10-year limited warranty for long-term peace of mind
- Optional laptop tray allows conversion for notebook support
Specifications
| Specifications | |
|---|---|
| Manufacturer | Ergotron, Inc |
| Manufacturer Part Number | 45-491-216 |
| Brand Name | Ergotron |
| Product Series | LX |
| Product Name | LX Dual Side-by-Side Arm (White) |
| Product Type | Mounting Arm |
| Product Information | |
| Device Supported | Monitor |
| Number of Displays Supported | 2 |
| Maximum Load Capacity | 40 lb (18143.69 g) |
| Maximum Screen Size Supported | 27" |
| Physical Characteristics | |
| Color Family | White |
| Product Color | White |
| Mounting Pattern | 100 x 100,75 x 75 |
| Height | 6.25" (158.75 mm) |
| Width | 18" (457.20 mm) |
| Length | 19.25" (488.95 mm) |
| Weight (Approximate) | 11.60 lb (5261.67 g) |
| Miscellaneous | |
| Package Contents | 2 x LCD Arms and Extensions Pole T-bracket Desk Clamp |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 10 Year |
User Manual
FAQ
What monitors are compatible with this Ergotron arm?
The arm supports monitors up to 27" in size with VESA mounting patterns of 100x100 mm or 75x75 mm. This covers most modern LCD and LED displays from major brands. Ensure your monitor's weight does not exceed 20 lb per arm, or 40 lb total, and verify its VESA pattern matches before installation.
Does this arm require drilling into my desk?
No drilling is necessary. The arm uses a desk-clamp attachment that securely fastens to the edge of surfaces up to 2.4" thick. This non-invasive installation preserves your furniture and allows for easy relocation or removal without leaving permanent marks or holes.
Can I adjust the height and angle of each monitor independently?
Yes, each of the two LCD arms features independent height adjustment, tilt, and swivel capabilities. This allows you to position monitors at different levels or angles to suit individual viewing preferences, reduce glare, or accommodate multiple users sharing the workspace.
What is the weight capacity, and how is it tested?
The total load capacity is 40 lb, distributed across two arms. Ergotron subjects the lift mechanism to a 10,000-cycle durability test, simulating years of daily height adjustments under full load. This rigorous testing ensures smooth operation and long-term reliability in professional environments.
Is a laptop tray included, or can one be added?
A laptop tray is not included in the standard package. However, the arm can be configured to hold a laptop instead of an LCD display by adding the optional Ergotron Notebook Tray accessory (model 50-193-200). This provides flexibility for users who switch between monitor and notebook setups.
What warranty comes with this mounting arm?
Ergotron backs this LX Dual Monitor Arm with a 10-year limited warranty. This coverage reflects the product's durable construction and tested performance, offering long-term assurance against defects in materials or workmanship under normal use conditions.
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