4-Port DVI Output Card with Scaler The VM8604 4-port DVI output card provides an easy way to pass 4 audio/video sources to 4 displays when used in combination with ATEN's Modular Matrix Switch. The VM8604 supports Seamless Switch™ technology that provides real-time video switching, a built-in scaler to handle multiple video resolutions, and EDID expert technology for smooth switching between displays, giving you the perfect viewing experience. Video input https://elecena.pl/product/17842921/vm8604-at-module-4-port-dvi-output-card-with-scaler 2021-04-24 https://elecena.pl/product/17842921/vm8604-at-module-4-port-dvi-output-card-with-scaler 2025-04-06