Dell RH40T HDMI Dual Monitor Expansion Port 9020M 7020M 3020M Secondary Display [Used]
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Dell RH40T HDMI Dual Display Expansion Board • Connects Second Monitor to Micro Series USFF PCs • 9020M, 7020M, 3020M • Second Monitor Connector
An expansion card to allow a second monitor to be connected to the Micro series of compact PCs from Dell. This is a harder-to-find HDMI interface. Note that Dell mostly used DisplayPort connectors with these models, so double check that your monitor/cable can work with an HDMI signal.