Is this DMS59 - i.e. can I just plug in a Y split cable to get two independent DVI outputs

I Guess the two outputs would have to run the same resolution

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  • This is not DMS-59 (Dual Monitor Solution, 59 pins). With DMS-59, the two monitors can be different resolutions, as the signals for the two displays are completely separate. The purpose of the DMS-59 connector is to reduce the space required to support two displays on a graphics card.

    Dual Link DVI uses a 29 pin connector. Dual Link DVI is similar to Single Link DVI except it has double the link signals to effectively double the pixel clock from the usual max of 165 MHz (for resolutions like 1920 x 1200 60Hz) to 330 MHz (for resolutions like 2560 x 1600 60Hz).

    HDMI contains the same signals as Single Link DVI but can go much faster (HDMI 1.0 165 MHz, HDMI 1.3/1.4 340 MHz, HDMI 2.0 600 MHz). There is actually a Dual Link HDMI but no-one uses it (the connector is larger, unlike for Dual Link DVI which uses the same sized connector as Single Link DVI).

    Some Single Link DVI ports on some PC motherboards can go up to HDMI 1.4 speeds.

    You can look up all these connectors on wikipedia.

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