In our opinion, the best Triple monitor stand in the market at the moment is the MountPro stand. It has 3 Gas Spring Monitor Arms that can easily hold up to 27″ monitors.
The MountPro gas spring monitor arm offers a full-motion desk mount, enabling you to adjust the monitor with 360° rotation. Additionally, it offers ±90° swivel & about 35° tilt functions, both clockwise and anti-clockwise. So you can easily find the optimal observation angle.
The triple monitor arms also hold your monitor at 4.5″ to 27.8″ above the table surface. The monitor arms are also highly adjustable to proper tension.
Additionally, this triple arm monitor stand holds 13″ to 27″ LCD monitors weighing from 2.2 lbs to 17.6 lbs & having VESA 75 x 75 mm as well as 100 x 100 mm.
You can install the stand in two ways. It fits desks both with or without a hole. The C-Clamp is installed on the desk which is 0.4″ to 3.35″ thick. Also for or desks with thickness up to 3.35″, you can use the grommet base mounting.
The package contains an installation manual and all the related accessories. You can finish the setup within a mere 10 mins. The MOUNTPRO stand also offers lifetime technical support.