On the other hand, HDMI has some limitations and is not a perfect choice for all purposes. In most cases HDMI is fine, but for really high resolutions and frame rates, other options might be taken into consideration.
Since DisplayPort can support multiple displays and also due to its ability to connect to nearly any other type of monitor with an inexpensive adapter, getting a video recorder device which offers DisplayPort in addition to HDMI, is an admirable choice in video surveillance industry.