The mini DisplayPort 1.2 to DVI 4k cable adapter will allow you to connect a high definition monitor projector or LCD TV to a MacBook Laptop or other PC graphics card with a mini DisplayPort connection. DisplayPort Version 1.2 allows greater resolutions while maintaining high picture quality with an active chipset allowing the connection of multiple displays.   Specification Input : mini DisplayPort male Output: DVI-D female - up to 4k x 2k @ 30Hz Active adapter Bandwidth: 10.2Gbps Plug n Play Supports AMD/ATI Eyefinity 20cm built-in lead With ferrite supressor