This product is either discontinued or we cannot get that from suppliers.
Startech MDISPLPORT3, 3 Ft Mini Displayport Cable, High resolution support of up to 4k x 2k, Connector Plating Nickel, Fire Rating CMG Rated (General Purpose), Conductors 19, PVC - Polyvinyl Chloride, Connector A/B 1 - Mini-DisplayPort (20 pin) Male, Cable Length 3 ft [0.9 m], Black, Wire Gauge 32 AWG.
The MDISPLPORT3 3ft Mini DisplayPort™ 1.2 cable features 2 Mini DP male connectors, and offers a dependable solution for connecting any Mini DisplayPort-enabled laptop (including Mac® family of products) to a Mini DisplayPort-equipped monitor.