Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 (Model 40AN). The high-performance workstation dock. Lenovo 40AN Thunderbolt 3 Dock Gen 2: Fully tested and in excellent working order. Triple 4K Display Support (Windows): Run up to three 4K UHD monitors via HDMI, DisplayPort, and Thunderbolt downstream.
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