Best Monitor Arms in 2026: Ergotron LX and the Alternatives

If your monitor is sitting on its stock stand, you’re wasting desk space and probably straining your neck. A good monitor arm lets you position the screen exactly where you need it, push it out of the way when you don’t, and reclaim the footprint under it for a keyboard, notebook, or nothing at all.

This guide covers the best options in 2026 — from the gold-standard Ergotron LX to budget picks worth considering.

Why a Monitor Arm Is Worth It

Stock monitor stands adjust up and down, maybe tilt. That’s it. A monitor arm gives you full range: height, depth, tilt, swivel, and rotation. You can raise it to eye level from your standing desk, pull it close for detailed work, or pivot to portrait mode for reading long documents.

The ergonomic case is straightforward. Eye level at or slightly below the top of your screen reduces neck strain. Most people’s stock stands don’t get the monitor high enough, especially if you’re tall or using a sit-stand desk.

The desk space case is equally compelling. Removing a bulky stand clears a significant chunk of real estate near your main workspace.

The Benchmark: Ergotron LX

The Ergotron LX is the answer to “what monitor arm should I buy?” for most people. It supports monitors up to 34 inches and 25 lbs, handles ultrawide screens well, and uses Ergotron’s CF (constant friction) mechanism — meaning you set the resistance once and it holds position without gas cylinders losing pressure over time.

The build quality is immediately obvious. Joints are solid aluminum, the cable management channel is deep enough to actually hide cables, and the clamp mount is beefy. Setup takes about 20 minutes, and adjustment after that is minimal.

It’s not cheap at around $160–$180, but it holds that value. Ergotron arms bought five years ago still hold position without adjustment.

What to Know Before Buying

The LX has a relatively long arm — it extends further from the desk than shorter alternatives. In a deep desk setup this is great. On a shallow desk or against a wall, you may run out of usable range before you find your ideal position. Check your desk depth before ordering.

It’s also clamp-mount by default. If your desk has a grommet hole, Ergotron sells a separate grommet base.

Budget Alternative: VIVO Single Arm

The VIVO single monitor arm runs around $35–$45 and covers the basics: clamp mount, VESA compatible, full range of motion. For a secondary monitor or a home office where you don’t need daily adjustments, it gets the job done.

The tradeoff is feel. The joints are plastic-heavy and the resistance adjustment is less refined — expect to retighten screws after a few months of use. It also maxes out at 17.6 lbs, so heavier ultrawide monitors are out.

If you’re outfitting a temporary workspace or testing whether you even like monitor arms, the VIVO is a low-risk entry point. If you’re setting up a primary workstation you’ll use every day, the Ergotron LX is worth the price difference.

Single vs. Dual Arms

Single arms handle one monitor on an independent arm. Dual arms mount two monitors on a shared pole with separate arms — either a clamp or grommet base.

Dual arms make sense if both monitors are your primary workspace and you want them at matched heights. They’re also tidier than two separate clamp mounts competing for desk edge space.

The downside: dual arms are less flexible. If you want one monitor at portrait and one at landscape, or very different heights, two independent single arms often work better. Dual arms also require a sturdier desk — a thin IKEA top can flex under a loaded dual arm pole.

What About Ultra-Wide and Large Format Monitors?

For 34-inch ultrawides, the Ergotron LX is rated and works well. Above 34 inches or above 25 lbs (common with 38”+ ultrawides and large 4K panels), you need a heavy-duty arm. Ergotron’s HX handles up to 42 lbs and is the go-to for big screens — but costs $200+.

What to Look For When Buying

Weight capacity: Match your monitor’s weight, not just the maximum. A 20 lb monitor on a 25 lb arm is fine. A 24 lb monitor on a 25 lb arm will sag.

VESA compatibility: Most monitors use 75×75mm or 100×100mm VESA patterns. Check your monitor’s spec sheet. Some ultra-thin displays require a separate adapter.

Desk thickness and edge clearance: Clamp mounts need adequate desk thickness and an edge without obstructions. Measure before ordering.

Gas lift vs. constant friction: Gas lifts feel lighter to move but can lose pressure over years. Constant friction (Ergotron’s CF mechanism) stays set once adjusted.

The Recommendation

For a single monitor setup, the Ergotron LX is the right answer for most people. It lasts, it holds, and it handles the widest range of monitors. If budget is the constraint, the VIVO single arm works — just go in knowing it’s a step down in build quality and longevity.

Don’t overthink dual vs. single. Start with single. If you later add a second monitor and want matched positioning, upgrade to dual then.