How to create a multiple monitor setup with 3, 4, or more displays | PCWorld
Amazon.com: WESTREE Triple Dual Monitor Stand Riser, Extra Long Monitor Stand for 1~2~3 Monitors, Monitor Stand with Length and Angle Adjustable, 3 Shelf Desktop Storage Riser for Monitor Computer Screen Laptop : Electronics
Amazon.com: ECHOGEAR 3 Monitor Desk Stand for Screens Up to 27" - Triple Desk Mount with Lock Down Clamp to Eliminate Screen Wobble - Adjust Tilt, Orientation & Swivel of Each Monitor