The EXT-DVI-144N 1:4 Distribution Amplifier from Gefen is a solution that allows you to share a high-definition digital video source among various monitors. It features (1) DVI input and (4) DVI outputs. This solution is ideal for any setting that requires video in different rooms or on different desktops. Monitor selection can be controlled through the unit’s front-panel push buttons. This unit supports single link 1920 x 1200 video resolution. It also supports the DDWG standard for DVI compliant monitors.