The ThinkPad Port Replicator Series 3 offers convenient, one step connection to the devices you use every day. You can access your LAN or Internet connection, VGA monitor, and USB attach peripherals with one simple click.
ThinkPad L412, L420, L512, L520, T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i, T520 Dual Core models, and X220 laptops.
Features & Benefits:
Left corner alignment for easy system attachment
Convenient eject button for one-step system removal
4 USB 2.0 ports
VGA monitor port
RJ-45 Ethernet port
Cable lock slot to secure both your port replicator and your notebook
Uses the system AC adapter, which can be purchased separately