Active adapters are required if adapting DisplayPort to HDMI or DVI monitors. Active adapters use additional chips to make the conversion inside the adapter. Passive DisplayPort to HDMI or DVI will not work with this device.
Examples of active adapters:
Do you still have questions or want to discuss video adapters with others in our IT Pro Community? Please post in our forum here: Docks, Hubs, Display Adapters — StarTech.com IT Pro Community