Optional master key lock. Compatibility - P52s, L580, L480, T580, P580p, T480s, T480, X1 Carbon Gen 6, X280.
Lenovo Docking Station Thinkpad T420 T430 T430s T510 T510i T520 DOC3+ Key
Lenovo Docking Station Thinkpad T430 T430s T510 T510i T520 + Key DOC3+SCHL
Lenovo Docking Station ThinkPad Ultra Dock 40A2 40A20170EU SD20F82750 20V M447
Lenovo Docking Station ThinkPad USB 3.0 Pro Dock Replicator 40A7 DK1522 +45W PSU
Lenovo Docking Station Thinkpad Tablet Dock Prx18
Lenovo Docking Station Thinkpad Hybrid 40AF0135UK Usb-C 2Xhdmi/2Xdp/Usb-C
