TRIPP LITE USB 3.0 SuperSpeed Laptop Dual Head Docking Station - HDMI and DVI Video, Audio, USB Hub Ports and Ethernet (U342-DHG-402) Add multiple ports to your laptop via one USB 3.0 connection Backward compatible with USB 2.0 and 1.1 Windows XP, Vista, 7, 8, and 8.1 compatible DVI-I and HDMI ports for connection of external monitors Supports video resolutions of up to 2048 x 1152 3-year limited warranty IEEE 802.3az (Energy Efficient Ethernet) compliant