FLEXIMOUNTS Desk Mount for 10"-30" Computer Monitor with Swing Monitor Arm & 2 USB Cables (F9) Make sure that the VESA holes measure 100 x 100mm or 75 x 75mm and the weight of the monitor is within 4.4-19.8 lbs. Arm easily adjusts to support an ergonomically correct workstation; sit more comfortably at your desk while reducing neck, eye and back strain, rotate monitor to landscape or portrait mode Innovative mechanical spring system gracefully adjusts monitor height. Two front-loading USB 3.0 ports convenient for flash drives, speakers, etc. The horizontally Extended length of the arm is up to 19.1'' and the vertically adjust height is up to 16.9''. Durable hardware supports clamp or grommet hole installation