A VESA standard for the position of screw holes in the back of a TV or monitor for attachment to a wall mount or desktop arm ... the four corners of a square pattern. Up to 55" 200mm; larger ...

It’s compatible with 16 VESA patterns. The arms are capable of a massive, 28-inch extension, but when you press the mount back against the wall, it has a profile of only 2 inches or so.

For instance, some TVs may have a 200 x 100 pattern ... if your wall mount will support your current TV, measure the spacing ...