The quick listHerman Miller Jarvis Single Monitor Arm. $139 at Herman Miller. ... Amazon Basics Monitor Stand. $29.92 at Amazon. ... Ergotron LX Desk Monitor Arm. $234.58 at Newegg. ... Vari Dual-Monitor Arm. $203.66 at Walmart. ... Mount-It! Full Motion Dual. ... Mount-It! Triple Monitor Desk Mount. ... Humanscale M2. ... Ergotron LX Dual Stacking.