SmartAVI 4x4 DVI Matrix Video SwitchThe SmartAVI 4x4 DVI Matrix Video Switch is a high performance routing hub engineered for professional environments where multiple computers must feed multiple displays with instantaneous, independent routing. This non blocking matrix switch enables you to display content from any of four PCs on any of four screens simultaneously, while also allowing rapid reconfiguration to adapt to meetings, demonstrations, classroom sessions, or control room