https://www.startech.com/AV/Displayport-Converters/Mini-DisplayPort-Triple-Head-DisplayPort-Multi-Monitor-MST-Hub~MSTMDP123DP
• model: MSTMDP123DP
• VESA and DisplayPort certified
• Compatible with mDP 1.2 graphics
• support for resolutions up to 4K at 60Hz
• input: 1 - Mini-DisplayPort (20 pin) Male
• output: up to 3 - DisplayPort (20 pin) Latching Female
• 99% new