Zettaguard Multimedia Ultra Dock Dual Video USB 3.0/2.0 Universal Docking Station with Gigabit Ethernet Connectors: DVI, HDMI, RJ-45 Gigabit Ethernet Port, DC Power Jack, USB 2.0 Ports x 4, USB 2.0 Ports x 4, USB 3.0 B Female, 3.5mm Lineout/Mic input Chipset: Display Link DL-3900 Number of Displays Supported : 2 Max resolution : 2048 1152 HDCP 2.0, Protected video playback