BenQ Ergo Arm Review

Verdicts here are built from published testing, real owner reports and spec sheets, not our own hands-on use. See how we judge →

Verdict: Buy. It does not have the Ergotron LX’s name recognition, but on paper it is the more capable arm: the widest real-world capacity range of any arm on this site, plus a desk-protecting detail the Ergotron LX skips. This verdict is built from published spec sheets and the pattern across verified owner reviews.

What it actually does well

• Gas spring adjustment: one-finger repositioning once installed, same mechanism as the Ergotron LX.
• 4.4 to 44 lbs, 17 inch to 45 inch screens: well above the Ergotron LX’s 25 lb ceiling, so it covers everything from a light 1080p monitor to a heavy curved ultrawide with room to spare.
• Reinforcement plate under the clamp: protects your desk from the indentation a standard clamp leaves over time, a detail most arms in this price range skip entirely.
• Single or dual-arm configurations: same base hardware scales to a two-monitor setup without switching product lines.

Where it is not the best option

At around $150, it costs roughly what a mid-range monitor costs, so mounting a budget 1080p screen under it is spending more on the arm than the display. If your monitor is light and standard-sized, the Ergotron LX or an even cheaper option covers the same ground at a lower price. You are paying the extra $0 to $30 over budget options specifically for the wider weight ceiling and the desk-protecting plate, not for anything a lighter setup actually needs.

Who should buy this

Anyone running a heavier or premium monitor, 5K, OLED, curved, or ultrawide, where the LX’s 25 lb limit is cutting it close and a desk-protecting clamp actually matters. It is also the safer single purchase if you are not sure yet whether you will add a second monitor later, since the same arm scales to dual.

Who should skip it

If you are mounting one light, standard monitor and do not plan to upgrade, see our best-of guide for the Ergotron LX or the VIVO budget pick instead. You will not use the extra weight ceiling, so there is no reason to pay for it.

Full head-to-head against the Ergotron LX and the AmazonBasics arm: see our comparison.

The BenQ spec sheet, line by line

These numbers are for the single arm, model BSH01, taken from BenQ’s own specification page. We have not measured them ourselves.

Setup and fit notes before you order

• The desk plates change your fit range. Per BenQ, the clamp takes a 17 to 50 mm desk on its own, but 12 to 45 mm once the reinforcement plates are in. A very thin desk needs the plates; a very thick one (over 45 mm) has to go without them.
• Less backward tilt than the Ergotron LX. BenQ lists 50° up and 20° down. Ergotron lists 70° back and 5° forward for the LX. If you like to tip the screen well back, for example when standing, the LX has more range; if you tilt the screen down toward you, the BenQ has more.
• Plenty of reach. At up to 22.4” of extension, it can pull a screen well forward from the back edge of a deep desk.
• Check the VESA pattern. Only 75 x 75 and 100 x 100 mm are listed. Many large TVs and some big ultrawides use bigger patterns, so check the back of the screen first. Our monitor arm buying guide shows where to look.