New Original 40a1 40a2 Workstation Dock Laptop Docking Station For Lenovo Thinkpad X240 X250 X260 X270 X280 T460s T460p T460 - Laptop Stand - AliExpress
Lenovo ThinkPad Pro Docking Station 40A1 USB 3.0 for T460 T460p T460s Laptop | eBay
Best Buy: Lenovo ThinkPad Docking Connector Docking Station 40A20090US