The ThinkPad Universal USB-C Dock (40AY) is an advanced, universally compatible one-cable docking solution that allows you to work smarter, not harder. It features a variety of ports, next-generation plug-and-play capabilities, and fast charging options (up to 100W for most USB-C laptops). It is smart enough to automatically install critical firmware updates and is ideal for any mixed PC environment as well as for working from home. It gives you the freedom and power to do more.