Lenovo ThinkPad Laptop Mini Dock

Lenovo ThinkPad Laptop Mini Dock Docking Station Series 3 Type 4337 - 20V. Ideal for notebook users who need easy access to the Internet/LAN, multiple USB devices, audio and video equipment, and robust key lock security. Left corner alignment for easy system attachment. Convenient eject button for one-step system removal. Six USB 2.0 ports. Three video ports. Lightly used. Locking keys included. COMPATIBLE with the following 65w and 90w ThinkPad models: L412, L512, L420, L520, T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i, T520 (Dual-Core models only), and X220.