The thinkpad usb 30 ultra dock is a universal usb docking solution that not only delivers a premium display experience up to 4k2k resolution via dp port but also provides quick and easy connection to all of the workspace peripherals you use every day simply plug a single usb 30 cable into your lenovo pc for instant access to up to two external monitors usb ports gigabit ethernet headphonesspeakers usb printers scanners keyboard mouse and more for daily use the dock can also charge