Accell Mini DisplayPort 1.2 Docking Station - Designed for Microsoft Surface - 2X Mini DisplayPort (DP++), 3X USB 3.0, 1x Gigabit Ethernet (RJ45) Licensed by microsofts designed for surface program, compatible with any Windows PC High Definition: resolutions up to 2560x1600@60hz USB 3.0 compliant: transfer data at speeds up to 5Gbps with Each of the 3 USB-A Ports Plug-and-Play installation does not require additional software or drivers Warranty: 2-year replacement