The Aura Triple Aero 15.6" Pro Max ($699) is one of the most distinctive portable monitors we have reviewed, packing three 15.6-inch screens arranged side by side into a foldable frame, origami-style.

The Xebec Tri-Screen 3 adds a pair of 13.3-inch displays to your laptop, so you can have a triple monitor wherever you go.

I’ve used plenty of portable monitors over the years: clunky clip-ons, rigid folding screens, and some clever magnetic options. Most of them are fine in a pinch, but rarely do they feel like a ...