NTI's SPLITMUX® 4K 18Gbps HDMI Multiviewer with Built-In USB KVM Switch allows video from four different HDMI 2.0 Ultra-HD 4Kx2K 60Hz computers to be simultaneously displayed on a single monitor. Additionally, it can switch one of the four attached computers to a shared keyboard and mouse for operation and to two additional USB devices. 

• Quad, Picture-in-Picture, Full Screen, and Custom display modes.
  • Custom Display Mode: the size, position and selection of any or all windows are customizable.
• Supports input/output resolutions up to Ultra-HD 4Kx2K (3840x2160 and 4096x2160 @24/30/60Hz YUV 4:4:4) in all display modes.
• HDCP 2.2 and 1.4 compliant.
• Fluid, real-time video performance with up to 60 frames per second (fps) in all four quadrants.
• Zoom, pan, and crop the image from any source to focus on key areas.
• Switch audio independently of video from connected HDMI sources.
• A customized text label can be added for each video window to provide easy input identification (UMD).
• Control the multiviewer through Ethernet, RS232 serial port, keyboard commands, on screen display (OSD), front panel buttons, or optional IR remote.
• Built-in 2-port USB hub – switch devices between connected computers.
• Compliant with USB 2.0 (high-speed and low/full speed) standards.
• Cascade multiviewers to display video from any number of video sources on one screen.
• Backup and restore multiviewer configurations.
• 1RU rackmount kit and cable management shelf included.