ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad …

4 USB 3.1 connector Gen 2: With greater data transfer rate, the USB 3.1 connector Gen 2 is used to connect USB-compatible devices, such as a USB keyboard, a USB mouse, a USB storage device, or a USB printer. 2 ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

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