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LX Dual Side-by-Side Arm (white)


Durable steel and aluminum construction! Create a fully adjustable side-by-side monitor configuration that lifts both LCD screens up to where they’re easier to see while reclaiming valuable worksurface.

Reposition your LCDs with just a touch. Up. Down. Forward. Back. The LX provides unparalleled range of motion. Save time by using multiple applications at once—eliminate toggling back and forth between documents and programs.

LX Dual Side-by-Side Arm (white)
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Part Number: 45-491-216

+ Accessories
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Suggested Accessories
Notebook Tray Grommet Mount for LX Dual Arm Thin Client Mount (white)

Position LCD screens for maximum ergonomic comfort with unparalleled range of motion—promotes wellness in any work area

Free up your desktop to increase your workspace

13-inch (33 cm) height range meets the ergonomic needs of more than nine out of ten adults

Extends LCDs out up to 25" (64 cm) with an extension range of 18" (46 cm); push your displays out of the way when not in use

Easily turn one or both screens from landscape mode to portrait mode—view entire pages without scrolling

Cable management feature routes cables under the arm, out of the way

Easy to use—simple installation and effortless operation

Passes Ergotron’s 10,000-cycle motion test, which ensures years of trouble-free height adjustment

Patented Constant Force™ lift-and-pivot motion technology

Tech Specs
≤ 27"†
40 lbs*
18 kg
33 cm
Part Number: 45-491-216
Description: LX Dual Monitor Arm, Side-by-Side (white)
Includes two (2) LCD arms and extensions, pole, t-bracket, desk clamp
Can be configured to hold a laptop instead of an LCD display; also order the Notebook Tray accessory (50-193-200)
Quality Tested: 10,000-cycle test applied to lift mechanism, ensuring years of trouble-free height adjustment
Improved LX Arm Features & Benefits
Steel and aluminum construction offers greater durability and enhanced aesthetics
Snap-fit cap secures interface of arms to extensions for greater stability
† Larger displays (e.g. 23" to 27" screen sizes) cannot be positioned in a stacked orientation; larger displays can only be placed side by side
* Weight Capacity: Individual monitor weight = 7–20 lbs (3.2–9.1 kg)
Mounting Standards: VESA FDMI MIS-D, 100/75, C (hole pattern: 100 x 100 mm & 75 x 75 mm)
Desk clamp attaches to edge up to 2.6" (66 mm) thick
A separately ordered grommet mount accessory (98-035) is available to attach the arm through a hole in the desktop
Product Weight: 11.6 lbs (5.3 kg)
Shipping Dimensions: 19.25" x 17.75" x 6.25" (49 x 45 x 16 cm)
Shipping Weight: 15 lbs (6.8 kg)
Warranty: Ten (10) years
Support Material
Table with available Ergotron downloads
Product Sheet English     pdf 1522 KB
Instructional Video: How to Install     KB
Market Flyer English     pdf 539 KB
Products Booklet     pdf 4968 KB
Installation Manual English     pdf 1261 KB
Dimensional Illustrations English     pdf 610 KB
Quick Finder
LCD Monitor, ≤24"
Multiple Displays
Large Display, >24"

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