Lenovo ThinkPad Pro Dock 40A10090US T440 X240 T540 L540 T460 L560 T560 X250
Item model number: P/N 40A10090US. ThinkPad L540 All All. ThinkPad T440 T450 T460 T470 All Integrated Graphics Only. ThinkPad X240 X250 X260 All All. Model: ThinkPad Pro Dock Type 40A1. Docking station is Unlocked.