Amazon.com: Lenovo Thinkpad Ultra Dock with 170w Ac Adapter (40A20170US ) - Retail Packaging : Electronics
Lenovo ThinkPad Pro Dock Type 40A1 T440 T450 T460 T470 T550 T560 T570 X240 X250
Lenovo ThinkPad Pro Docking Station USB 3.0 for T470 T470p T470s Laptop | eBay
Amazon.com: Lenovo ThinkPad USB 3.0 Pro Dock (40A70045US) 45W AC Adapter With 2 Pin Power Cord Included, Item Does Not Charge The Laptop Or Tablet When Attached : Electronics
Lenovo ThinkPad Pro Dock 40A10090US T440 T450 T460 T470s T470 docking station | eBay