The mini DisplayPort y-cable docking station easily expands the ports on your mini DisplayPort enable desktop, laptop or Ultrabook computer. Connecting to your computer's mini DisplayPort output and its USB 3.0 Port, the docking station provides two mini DisplayPort outputs, three USB 3.0 Ports and one gigabit Ethernet port. Supporting DisplayPort 1.2 Multi-Stream transport (MST) mode, the docking station can independently support two DisplayPort monitors with resolutions up to 2560x1600 at 60hz, 24bpp for each monitor. A single monitor can be supported up to 3840x2160 at 60hz, 24bpp. These resolutions as well as the use of the MST mode feature require that your computer has a mini DisplayPort 1.2 Output.