It has a long warranty. Fully’s 15-year warranty is the longest of any of the monitor arms we tested aside from the Ergotron Trace Single Monitor Mount, which costs more than three times as much.

Ergotron also avoids any serious flaws. I have a few nitpicks, sure. I think the clamp could be smaller. The white colorway doesn’t have a color coordinated VESA mount. And the arm’s overall ...