Get 4K Your Way for Better Productivity From the leader in desktop productivity solutions, Kensingtons SD4000 Universal Docking Station enables 4K Ultra HD, even when your laptop doesnt have a 4K graphics card. As well as serving as a central hub and charger for all your peripherals, the dock provides Ultra HD (3840x2160) to a single 4K monitor or TV via an HDMI or DisplayPort connection. When using two additional monitors instead of one, the dock provides 2K resolution to each screen (2048x1152). There are three available USB 3.0 ports that support transfer speeds of up to 5Gbps, including one that provides 2.1 AMP fast charging for a tablet or smartphone. Theres also a gigabit Ethernet port so you have a reliable, wired network connection. 4K Ultra HD for One Monitor Give your computer the screen space, power and clarity of Ultra HD, with 3840x2160 resolution via USB 3.0, increasing the content available on your monitor for improved productivity. No Need for 4K Graphics Card The SD4000 takes care of all the work for you so you dont have to upgrade or modify your laptop to enable the higher resolution on the screen HDMI or DisplayPort Options for 4K Both connections are available on the back of the dock and can be accessed through a sliding panel that covers the connection port youre not using to protect the electronics 2K for Dual Monitors Ideal for users not ready to make the transition to 4K, this option can support the typical two-monitor setup with 1920x1200/2048x1152 resolution for each screen USB 3.0 Ports/2.1A Charging Port