Monmount Quad LCD Monitor Free Standing Desktop Mount (Supports 4 VESA Compatible Monitors). Create a great multi-monitor work or play station with this Monmount Quad Monitor Desk Stand for Four Monitors. Looking to mount 4 screens on your desk? This quad monitor stand can give you ergonomic viewing angles with 4 screens up to 24 inches. The mount allows for 90 degrees of swivel and 360 degrees of rotation.