Comparison GuideErgotron
Ergotron LX Single vs Dual Monitor Arm: Which One Do You Need?
4.7(28,600 ratings)~$165.002 min read
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Our Verdict
The best single monitor arm you can buy. Smooth, solid, and worth every dollar.
What We Liked
- +Smooth 360u00b0 movement
- +Holds position perfectly
- +Cable management channel
What We Didn't
- −Premium price
- −Single monitor only
Specifications
Monitors1
Max Weight20 lbs
VESA75u00d775 to 100u00d7100
Single arm vs dual arm — which setup is right for your desk?. We've used both. Here's the honest breakdown to help you pick the right one.
The Short Answer
Buy the Ergotron Ergotron LX Desk Monitor Arm if: The best single monitor arm you can buy. Smooth, solid, and worth every dollar.
Buy the Ergotron Ergotron LX Dual Stacking Arm if: Holds two monitors side-by-side with the same smooth movement as the single LX.
Ergotron Ergotron LX Desk Monitor Arm
Price: $165.00 · Rating: 4.7/5 (28600 reviews)
The best single monitor arm you can buy. Smooth, solid, and worth every dollar.
What We Love
- Smooth 360° movement
- Holds position perfectly
- Cable management channel
The Trade-offs
- Premium price
- Single monitor only
Specs
| Monitors | 1 |
| Max Weight | 20 lbs |
| VESA | 75×75 to 100×100 |
Ergotron Ergotron LX Dual Stacking Arm
Price: $189.00 · Rating: 4.6/5 (12000 reviews)
Holds two monitors side-by-side with the same smooth movement as the single LX.
What We Love
- Both monitors move as one unit
- Wide monitor compatibility
- Easy height adjustment
The Trade-offs
- Pricier than single arm
- Requires strong desk
Specs
| Monitors | 2 |
| Max Weight Each | 20 lbs |
| VESA | 75×75 to 100×100 |
Head to Head: Key Differences
| Feature | Ergotron Ergotron LX Desk Monitor Arm | Ergotron Ergotron LX Dual Stacking Arm |
|---|---|---|
| Price | $165.00 | $189.00 |
| Rating | 4.7/5 | 4.6/5 |
| Reviews | 28600 | 12000 |
Our Recommendation
Both are excellent. The difference comes down to your specific needs. If budget and the standard use case apply — go with the Ergotron Ergotron LX Desk Monitor Arm. If you need more capacity or range — the Ergotron Ergotron LX Dual Stacking Arm justifies the price difference.
Still unsure? We'd lean toward the Ergotron Ergotron LX Desk Monitor Arm for most people. It covers the typical use case at a lower price, and that's usually the right call.
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