The Ergotron 45-549-026 LX Dual Stacking Arm, Tall Pole is a dual-monitor desk mount with a polished aluminum finish and black accents. Its tall-pole configuration provides two independently adjustable LX monitor arms for positioning displays in stacked or side-by-side arrangements. The mount supports displays up to 40 inches and provides 13 inches of vertical adjustment.
Overview
The 45-549-026 is designed for two-display installations where flexible monitor positioning and a taller pole configuration are required. Each arm supports a display weighing 7–20 lb (3.2–9.1 kg), giving the standard two-arm configuration a combined capacity of 14–40 lb (6.4–18.1 kg).
Dual-Display Configuration
The two LX arms can be configured to position compatible displays in a stacked arrangement or side by side. Each arm provides independent monitor positioning, allowing the two displays to be adjusted separately.
Tall-Pole Design
The mount uses a 23-inch (58 cm) pole and a heavy-duty two-piece desk clamp with dual mounting clamps. A grommet mount plate and associated hardware are also included, providing an alternative desk-mounting configuration where appropriate.
Monitor Adjustment
The LX arms provide 13 inches (33 cm) of lift. Each supported display can tilt through 75 degrees, pan through 360 degrees, and rotate through 360 degrees. Maximum arm extension is 25 inches (64 cm).
VESA Compatibility
The 45-549-026 uses VESA FDMI MIS-D mounting with 100 x 100 mm and 75 x 75 mm hole patterns. Verify the display's VESA interface and weight before installation.
Key Features
- Supports two displays up to 40 inches
- 7–20 lb (3.2–9.1 kg) capacity per arm
- 23-inch (58 cm) tall pole for expanded vertical positioning
- 13-inch (33 cm) lift with 75° tilt and 360° pan/rotation
- Polished aluminum finish with black accents
Applications
The 45-549-026 is suited to multi-monitor workstations requiring adjustable dual-display positioning and a taller mounting pole. The LX architecture also allows additional monitor configurations using the appropriate LX Arm, Extension and Collar Kit.
Expansion Options
Ergotron documentation indicates that an LX Arm, Extension and Collar Kit can be used to add a third or fourth display to the tall-pole configuration. Additional displays have different per-arm weight limitations, so the applicable configuration specifications should be checked before expansion.
DC Supplies Product Note
For a standard two-monitor installation, check each display against the 7–20 lb per-arm capacity and confirm its VESA 75 x 75 mm or 100 x 100 mm mounting pattern. The 23-inch pole is the defining feature of this tall-pole version.
Specifications
| Specification | Details |
|---|
| Brand | Ergotron |
| Part Number / MPN | 45-549-026 |
| Product Type | Dual Stacking Monitor Arm |
| Product Family | LX |
| Configuration | Dual Monitor, Tall Pole |
| Color / Finish | Polished Aluminum with Black Accents |
| Maximum Display Size | Up to 40 inches |
| Number of Displays | 2 |
| Capacity Per Arm | 7–20 lb (3.2–9.1 kg) |
| Combined Capacity | 14–40 lb (6.4–18.1 kg) |
| Lift | 13 inches (33 cm) |
| Tilt | 75° |
| Pan | 360° |
| Rotation | 360° |
| Maximum Extension | 25 inches (64 cm) |
| Pole Height | 23 inches (58 cm) |
| VESA Standard | VESA FDMI MIS-D |
| VESA Mounting Patterns | 75 x 75 mm / 100 x 100 mm |
| Desk Mounting | Heavy-duty two-piece clamp and grommet mount |
| Product Weight | 8.8 kg |
| Warranty | 10 years |
| GTIN | 00698833065626 |
Package Contents
The 45-549-026 includes two LX arms and extensions, a 23-inch pole, heavy-duty two-piece desk clamp base with dual screws, pole collars, caps, grommet mount plate and hardware, and monitor mounting hardware.
FAQs
How many monitors does the Ergotron 45-549-026 support?
The standard configuration supports two displays. Ergotron also documents expansion to three or four displays using the appropriate LX Arm, Extension and Collar Kit.
What is the maximum display size?
The 45-549-026 is specified for displays up to 40 inches. Display weight must also remain within the applicable capacity limits.
How much weight can each arm support?
For the standard two-arm configuration, each arm supports 7–20 lb (3.2–9.1 kg), giving a combined range of 14–40 lb.
What VESA patterns are supported?
The mount supports VESA FDMI MIS-D with 75 x 75 mm and 100 x 100 mm mounting-hole patterns.
What makes this the tall-pole version?
The 45-549-026 uses a 23-inch (58 cm) pole, providing the tall-pole configuration for the LX Dual Stacking Arm.
What finish does the 45-549-026 have?
The exact 45-549-026 has a polished aluminum finish with black accents. White and other LX Dual Stacking Arm variants use different MPNs.
