converting a display port source to hdmi only requires a cable adapter. you don't need anything special. such as:
[Link: smile.amazon.com]now if you want to connect an hdmi source to a monitor that has a displayport connection, then you have to use a piece of electronics. We have used the following from Amazon.
[Link: smile.amazon.com][Link: smile.amazon.com]I'm sure there is something better, but these did the job.
