This adapter converts a Mini DisplayPort | Thunderbolt signal for viewing on a DVI-I equipped display. Connect the adapter directly to your PC, then use your DVI-I cable between the adapter and the display, and enjoy PC video content on virtually any DVI-I display. This adapter features 3 3/4 inch dongle-style adapter, gold-plated Mini DisplayPort | Thunderbolt connector, molded DVI-I connector, and 28 AWG copper wire. It supports resolutions up to 1920x1200 and it provides a simple solution for adapting PC or Mac output for DVI monitors, televisions, and projectors.