Lenovo 40AC Thunderbolt 3 Dock ThinkPad T470 T480 T570 T580 DBB9003L1 w/ 135W AC | eBay
Amazon.com: Lenovo USA ThinkPad Pro Docking Station (P/N; 40AH0135US) Used In Specific Models Only; P52s, L580, L480, T580, P580p,T480s,T480, X1 Carbon Gen 6, X280 (Renewed) : Electronics
Lenovo ThinkPad T480 T480s USB 3.0 Docking Station w/ Dual Video Output Inc PSU | eBay