Siig Mini DP 4K Video Dock LAN Hub - Mini DP Docking Station with USB 3.0 Lan HubIncrease productivity by connecting three different display modes to a single mini DisplayPort output- Transforms a single mini-DP port of your computer into multiple connections including 4K display, supports Surface Pro 3/4/5/6- Features one DisplayPort 1.2 port, one HDMI 1.4 port, one Gigabit Ethernet port, two USB 3.0 ports, one Micro USB 3.0 port, one Micro USB power in port (if necessary)- Supports Mirrored, Extended or Primary video modes either one 4K at 60Hz Ultra HD DisplayPort display or one 4K at 30Hz HDMI display. * Note: Does not support both outputs at the same time- Supports USB 3.0 data transfer rate up to 5Gbps for smooth and stable performance. Backward compatible with USB 2.0 and USB 1.1- Gigabit Ethernet up to 1Gbps. Compatible with 10BASE-T/100BASE-TX/1000BASE-T networks- Plug and play. No driver installation and no external power adapter required.