DMS-59 is a 59-pin electrical connector generally used for computer video cardsIt provides two DVI or VGA outputs on a single connectorAn adapter cable is needed for conversion from DMS-59 (digital) to DVI (digital) or VGA (analog) and different types of adapter cables exist. The connector is four pins high and 15 pins wide with a single pin missing from the bottom row in a D-shaped shell with thumbscrewsThe application for DMS-59 is to support a higher density of video displays in a similar amount of connector space to a DVI connector.