Monitor arm review
Ergotron LX Monitor Arm Review — The €130 Fix For Your Neck
Listen to the verdict
Verdict
The Ergotron LX is the monitor arm to buy if you take your desk seriously. Infinite smooth adjustment, all-steel construction, and a 10-year warranty where most cheap arms give you one. Pay once, sit straight forever.
What works
- 10-year warranty — most cheap arms give you one
- Smooth, infinite adjustment across three axes
- Built-in cable management channel down the arm
- Holds monitors up to 11.3kg without drift
- Steel and aluminum — zero flex, zero wobble
- C-clamp and grommet mounts both included
What doesn't
- Spring tension setup requires an Allen wrench and patience
- Light monitors (under 3kg) are hard to tune
- €130 vs €40 generic clones — premium price
- VESA mount only — won't fit monitors without VESA holes
Why your neck hurts and what to do about it
Look at your monitor right now. The top of the screen is probably below eye level. You've been tilting your head down 15° for six hours. Your trapezius is permanently engaged. That's your problem.
A monitor arm raises the screen 5–15cm higher than any desk stand can. Suddenly you look slightly down at the centre of the screen instead of bending the neck. Eight hours later, no neck pain. The fix is mechanical, not muscular — the other half of the posture equation is a proper chair, covered in our best office chair under €1500 guide. On the go, a MOFT laptop stand is the packable version of the same eye-level fix.
The spring tension setup nobody warns you about
Out of the box, the LX is tuned for a heavy monitor. Mount a typical 27" Dell or LG (~6kg) and it works. Mount a 4kg ultrawide and the arm will drift upward when you let go. You need to back the spring off using the Allen key port at the lower joint — roughly four full turns counter-clockwise per 1.5kg less than the calibration weight.
This is in the manual. Nobody reads the manual. Then they leave three-star reviews claiming "it won't stay put." It will. Adjust the spring.
Watch before you buy
Ergotron's official setup video
Ergotron's own installation video: mounting the LX, adjusting spring tension, and routing cables through the built-in channel. It is manufacturer marketing rather than an independent review — useful for the mechanics, not for judging the claims.
Why the 10-year warranty actually matters
Most cheap arms come with one year of coverage. Ergotron covers the LX for ten, which means a gas piston that gives out in year eight is still Ergotron's problem rather than yours. For something holding your monitor — a panel like the Dell UltraSharp U2723QE — 70cm in the air over your face every day, that's not marketing fluff.
"Cheap is expensive when you average it over years."
Ergotron LX vs the €40 alternatives
The €40 arms are built to a price: a friction-and-spring joint rated for a narrow weight band, and one year of warranty. The LX is a gas-cylinder arm rated to 11.3kg, in steel and aluminum, with ten. The price gap is about €90. The coverage gap is nine years — and sag is the failure mode cheap arms are known for, which is precisely what a gas cylinder and a decade of warranty are there to address.
Who should NOT buy this
- Monitors under 23" — overkill; a basic stand is fine.
- Very lightweight monitors (under 3kg) — spring tension is hard to tune that low.
- Desk too thin (<10mm) or too thick (>60mm) — the clamp won't grip safely.
- Glass-top desks — use the grommet mount and drill a hole, or look at the freestanding HX.