Bidirectional Mini DisplayPort to DisplayPort Cable and DisplayPort to Mini DisplayPort Cable. 15FT Black. Connect a Mini DisplayPort w/ThunderboltTM port compatible PC to a monitor or projector with DisplayPort. Or Connect a DisplayPort compatabile PC and laptop to a monitor with mini displayport. Transmits both audio and video from computer or tablet to HD monitor display; Supports 4K (3840x2160) Ultra HD resolution and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels Low-profile connector does not block adjacent ports on your computer, has molded strain-relief for long life, and has ergonomically designed treads for easy plugging and unplugging