Lenovo 40ANY230US ThinkPad Thunderbolt 3 Workstation Dock Gen 2, Black. The ThinkPad Pro Docking Station from Lenovo is designed to dock with select 2018 ThinkPads and provide extra ports for you to get your daily tasks done. Snap your ThinkPad laptop onto the dock to access three USB 3.1 Gen 1 Type-A ports, two USB 2.0 Type-A ports, one of which provides always-on charging, as well as a single USB 3.1 Type-C port that offers to charge support up to 3A when connected to the included 135W ThinkPad AC adapter. This dock also allows you to extend your ThinkPad's screen to a maximum of two external displays via its dual DisplayPort 1.4 ports. Connect to local area networks and the internet with the dock's built-in Gigabit Ethernet port. Or listen to your favorite tunes with the integrated 3.5mm headphone jack, which supports stereo audio and microphone usage. In terms of keeping your ThinkPad safe, this docking station has a Kensington security lock slot forwarding away potential thieves. It also includes two security keys to lock in your ThinkPad when it's attached to the dock.