Mini Display Port 1.1a & DVI output Supports DVI resolution of 1080p Supports DVI 225 Mhz 2.25 Gbps per channel 6.75 Gbps total Supports DVI 12-bit per channel 36-bit total deep colour Powered by the Display Port This Mini Display Port to DVI adaptor means that you can connect your Macbook Macbook Pro or Macbook Air with a mini Display Port to any digital monitor or projector with a DVI connection. This means you can easily link up your macbook with a larger screen for single or dual screen operation or link it to a projector for presentations. The Mini Display Port adaptor is bi-directional so you can also use the cable to attach your PC with DVI output to an Apple Cinema Display with Mini Display Port Like the 20 & 23 inch Apple Cinema Display.