Opticis ODM3636 DVI Matrix Router 36x36, Enables to cross switch between one of multi DVI inputs
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Lightware MX8x8DVI-DL - 8x8 Dual link DVI matrix router. RS232 control.
Amazon.com: Opticis ODM-88 8X8 DVI Matrix Router, Enables Cross-Switching Up to 8 Displays from Up to 8 DVI Sources, Supports Graphic Computer Resolution Up to WUXGA (1920x1200) at 60Hz and HD 1080p (