This adapter actively converts a Display Port signal into a DVI-D signal. It means that you can connect a Mini Display Port or Thunderbolt equipped computer to a high-resolution DVI equipped display, monitor or projector. A compact & lightweight aluminium design eliminates bulk, whilst USB (Universal Serial Bus) power reduces unnecessary cable clutter & power supply units. Supporting maximum resolutions of 2560 x 1600 it is ideal for working on 30-inch displays, watching movies & viewing high resolution imagery.