On the back of the PC, you have numerous ports available. Please note that the SmartDesk uses 1x HDMI, 1x DisplayPort and 1x DVI.
Pictured below is a configuration with the 1060 Graphics Card (Higher Performance Model):
The 1050 Graphics Card has one less HDMI slot, but otherwise the configuration is the same. See below for the 1050 ports:
On the front of the desk, you have access to 2x USB 3, 1x USB-C, Microphone In, and Stereo Out: