ThinkPad Thunderbolt 3 Dock Gen 2 - Overview and Service Parts - Lenovo Support US
ThinkPad Thunderbolt 3 Dock - Overview and Service Parts - Lenovo Support GB
Lenovo ThinkPad Thunderbolt 3 Dock USB-C 40AC DBB9003L1 with Charger 03X7543 | eBay
Information about the power supplied by the Thunderbolt 3 Dock Gen 2 135W (40AN0135US) to a ThinkPad P16 G1 21D6008WUS 16" Mobile Workstation - QHD - 2560 x 1600 - Intel Core