Sold as 1 Each. Ultimate docking station for maximum productivity and compatibility. Extend visual productivity with the crisp resolution, contrast, and color depth of Ultra HD (single or dual 4K at 60Hz) via two DisplayPort ports; USB Type-C laptops must support Alt Mode. 3-year manufacturer limited warranty. 6 x USB Type-A 3.0 (one front, five rear), 1 x USB Type-C (front), 1 x 3.5mm combo microphone and headphone port (front), 2 x DisplayPort++, 2 x HDMI v2.0, 1 x Gigabit Ethernet. Quickly and simply charge any Thunderbolt 3 or USB Type-C enabled laptop; USB Type-C laptops must support Power Delivery; great for devices that require higher power. Includes TB3 cable, dock stand, power supply. Choose a horizontal or vertical placement on the desktop. Thunderbolt 3 technology allows you to transfer up to 40Gbps of data, video, and audio (10Gbps for USB Type-C Gen 2 laptops, 5Gbps for USB Type-C Gen 1 laptops), using the included Thunderbolt 3 cable for a quick and powerful Plug-and-