http://www.nti1.ca/quad-splitter.html




Why buy this over 4 screens? No idea. It doesn't even do dual link DVI. Display Port where are you???

"The Quad Screen Splitter allows you to simultaneously display and monitor video signals from four different computers and/or video sources on a single screen. Additionally, the SPLITMUX can switch one of the four attached computers to a shared keyboard and mouse for operation.
  • Quad, Picture in Picture, and Full Screen display modes.
  • Independent video in to video out resolution.
  • Supports up to 1600x1200 video resolution.
  • Accepts analog and digital video signals simultaneously.
    • Connect analog and digital devices to the splitter, and display images on a digital or analog monitor."