HUANUO Single Monitor Arm
13–32 in, up to 17.6 lb, clamp or grommet.
- Up to 32 in
- 17.6 lb
- Gas spring
Desk setup
HUANUO vs Ergotron LX: which monitor arm?
Short version: the HUANUO single arm is the better value for typical 24–32 inch monitors up to 17.6 lb. The Ergotron LX is worth the extra money for ultrawides up to 34 inches, heavier screens up to 25 lb, and the smoothest adjustment.
The HUANUO (HNCM12) is a gas-spring arm for 13–32 inch screens up to 17.6 lb with VESA 75/100 and both clamp and grommet mounts. The Ergotron LX (45-241-026) is a constant-force arm in polished aluminum for flat or curved screens up to 34 inches weighing 7–25 lb, also VESA 75/100 with clamp or grommet.
Based on OSHA · Ergotron · HUANUO
Which one should you buy?
Ergotron LX Single Monitor Arm
Up to 34 in and 7–25 lb, constant-force, polished aluminum.
- Up to 34 in
- 7–25 lb
- Constant-force
We don't list prices because they change daily; Amazon shows the current price and stock when you click. We earn a commission on purchases, which never decides a pick. How we choose.
The short answer: Weigh your monitor (with any VESA adapter) before you buy. Under 17.6 lb and 32 inches, HUANUO. Heavier, wider or curved, Ergotron LX. Light monitors under 7 lb may not stay put on the LX.
This is a focused guide. For the full category with every pick, read the best monitor arm.
HUANUO vs Ergotron: side by side
Swipe the table sideways to see both →
| Spec | Best valueHUANUO Single Monitor Arm | Best for heavy and ultrawideErgotron LX Single Monitor Arm |
|---|---|---|
| Screen size | 13–32 in | Up to 34 in |
| Weight range | Up to 17.6 lb | 7–25 lb |
| VESA | 75 / 100 mm | 75 / 100 mm |
| Mount | Clamp or grommet | Clamp or grommet |
| Mechanism | Gas spring | Constant-force |
| Best for | Most monitors | Heavy & ultrawide |
| Price & stock | Check price | Check price |
Why pick HUANUO Single Monitor Arm?
Most office monitors between 24 and 32 inches fall well inside the HUANUO’s 17.6 lb limit, and it includes both a C-clamp and grommet mount, so it fits most desks.
Gas-spring tension is adjustable. Desks with a thick lip or a crossbar under the edge can complicate clamp mounting, so check yours.
Great if you
- Have a 24–32-inch monitor
- Want to free desk space
- Want both clamp and grommet options
Skip it if you
- Have an ultrawide over 32 in
- Have a very heavy monitor
- Have a desk with a thick lip or crossbar
Key specs
- Screen size
- 13–32 in
- Weight
- Up to 17.6 lb
- VESA
- 75×75 / 100×100
- Mount
- C-clamp and grommet
- Model
- HNCM12
HUANUO Single Monitor ArmOpens Amazon; the live price and stock are shown there.
Check price on Amazon Why pick Ergotron LX Single Monitor Arm?
The LX handles screens the budget arms can’t: ultrawides up to 34 inches, curved panels and monitors up to 25 lb, with very smooth, stable movement.
It has a 7 lb minimum, so very light monitors may drift, and it costs considerably more.
Great if you
- Have an ultrawide or heavy monitor
- Want very smooth, stable adjustment
- Want premium build
Skip it if you
- Have a light monitor under 7 lb
- Want the lowest price
- Have a very shallow desk
Key specs
- Screen size
- Up to 34 in, flat or curved
- Weight
- 7–25 lb
- VESA
- 75×75 / 100×100
- Finish
- Polished aluminum
- Model
- 45-241-026
Ergotron LX Single Monitor ArmOpens Amazon; the live price and stock are shown there.
Check price on Amazon How to choose between HUANUO and Ergotron
Start with the monitor’s weight and size from its spec sheet, then check your desk edge.
Weight
HUANUO up to 17.6 lb; Ergotron 7–25 lb.
Size
HUANUO 13–32 in; Ergotron up to 34 in, flat or curved.
Mounting
Both offer clamp and grommet; check desk thickness and any crossbar.
VESA
Both are 75×75 / 100×100.
HUANUO Single Monitor ArmOpens Amazon; the live price and stock are shown there.
Check price on Amazon HUANUO vs Ergotron: common questions
Is Ergotron better than HUANUO?
Its build and movement are smoother and it handles heavier, wider screens. For a typical 27-inch monitor, HUANUO does the job for less.
Can the HUANUO arm hold an ultrawide?
Only if it is 32 inches or smaller and under 17.6 lb. Most 34-inch ultrawides need the Ergotron LX or similar.
What is the Ergotron LX weight range?
7 to 25 lb.
Do I need VESA mounting holes?
Yes, 75×75 or 100×100 mm for both arms, or a VESA adapter for your monitor.
How we compared them
We compared HUANUO and Ergotron specifications and the sources on our main monitor arm guide, as of October 2026.
We have not hands-on tested these products; we compare published specifications, independent measurements and manufacturer documentation, and we update this page when models change. Read the full methodology.
What sources did we use?
- OSHA: Computer workstations eTool, monitors (accessed October 23, 2026)
- Ergotron: LX desk monitor arm (accessed October 23, 2026)
- HUANUO: official site (accessed October 23, 2026)