Best monitor arms: fixed desks, daily adjustment and heavy screens in 2027
Some links in my articles are affiliate links. I may earn a commission when you buy through them.
Start with the monitor’s weight without its stand, VESA mounting pattern and the desk edge. The Arctic Z1 Basic is the simple budget route, Ergotron LX adds frequent repositioning, and HX is for a genuinely heavy compatible display.
| Use | My choice | Why choose it | Choose another when |
|---|---|---|---|
| Budget, mostly fixed position | Arctic Z1 Basic | A pole-mounted arm for a screen you position and then leave in place. | You raise and lower the screen repeatedly during the day. |
| Frequent adjustment | Ergotron LX desk arm | An adjustable route for moving a compatible screen between working positions. | The display falls outside the exact arm’s supported load/size envelope. |
| Heavy compatible display | Ergotron HX desk arm | A heavier-display route with a specified 9.1–19.1kg load range for this model. | The screen is light, or a deep curved panel needs a different tilt/pivot accessory. |
The arm’s supported load range matters at both ends: a very light screen can be unsuitable for a high-capacity arm. Screen depth and curvature also affect the load on the tilt mechanism.
Budget, mostly fixed position: Arctic Z1 Basic
The Z1 Basic gives a useful desk-space upgrade without pretending every desk needs a gas-spring arm. Arctic lists VESA 75×75 and 100×100 support and a 15kg maximum; its height is set on the pole rather than floated up and down in normal use.
Its clamp is specified for desk edges from 20 to 60 mm. A glass or hollow desktop needs an appropriate mounting solution; the nominal thickness alone does not establish that the surface can take the clamp load.
Frequent adjustment: Ergotron LX desk arm
Choose LX when you actually use its movement: bringing the display forward, changing height or clearing the desk for another task. Match the particular LX part number and the display through Ergotron’s compatibility tool rather than buying from the family name alone.
Leave cable slack through the complete movement. A taut DisplayPort lead can spoil the positioning you bought the arm to improve. Adjust tension after mounting the display, following the arm’s instructions, and keep the screen supported during assembly.
Heavy compatible display: Ergotron HX desk arm
HX is a specialist choice. A 6kg display is not automatically suitable just because the maximum capacity is much higher. A very deep curved ultrawide can need a different pivot configuration even if its weight seems to fit. Use the exact monitor in the manufacturer’s compatibility selection.
Check the desk-edge clearance and what sits beneath it before ordering. An apron, cable tray or drawer can block the clamp. Keep the full arm assembly and screen movement within the usable desk space.
Measure the mounting job
Remove the stand weight from the comparison, note recessed VESA holes and any required spacers, then inspect the desk edge above and below. Plan a grommet mounting route only if the desk and mount support it.
For two screens, consider two independent arms when that gives better positioning; a dual arm is not automatically simpler. Set both screens around the primary working position rather than centring the join in front of your chair.
1. Screen
Weight without stand, VESA and depth
2. Desk
Material, thickness and edge clearance
3. Movement
Height, reach and space behind the desk
4. Cables
Slack through every intended position
If you are choosing the screen and arm together, compare the flat and curved formats in the OLED shortlist first. Use the selected monitor’s actual stand-free weight and mounting requirements for the arm.
Finish the setup
Choose the screen first and then its mount. For a laptop-sharing desk, plan the dock and the display connection at the same time.
Specifications and setup: Z1 Basic · LX compatibility · HX compatibility.
