The IPC-R1 has 4 ports for connecting to external monitors 1 x VGA, 1 x DVI and 2 x DisplayPort connectors. All four ports will not work at the same time, due to the sharing of the QM77 chipset. In the chart below, you will see the supported video display sets the IPC-R1 supports.
Note: The IPC-R1 does not have HDMI ports. If you plan to use an HDMI monitor, you will need to supply an active Display port to HDMI adapter.