The thinkpad onelink dock powered by lenovos revolutionary onelink technology transforms your new thinkpad into a full featured machine in the office or at home not only does the new convenient onelink connector deliver super fast data transfers with usb 30 and up to ultra high definition uhd video but it also charges your notebook cell phone and tablet while you work or play unlike usb docks the onelink dock delivers video with no compression no drivers and no impact on image quali