Lenovo 433715U ThinkPad Mini Dock Series 3 with USB 3.0 Fru # 433710U/45m2489/75y5735/04w1502/04w1816 Compatibility: ThinkPad L412* ThinkPad L420 ThinkPad L430 ThinkPad L512* ThinkPad L520 ThinkPad L530 ThinkPad T400s ThinkPad T410 ThinkPad T410i ThinkPad T410s ThinkPad T410si ThinkPad T420 ThinkPad T420i ThinkPad T420s ThinkPad T420si ThinkPad T430 ThinkPad T430i ThinkPad T430s ThinkPad T430si ThinkPad T510 ThinkPad T510i ThinkPad T520 Dual Core models only ThinkPad T520i Dual Core models only ThinkPad T530 ThinkPad T530i ThinkPad X220 ThinkPad X230 ThinkPad X230i Notes: ThinkPad T420, T420s and T520 models, USB 3.0 port on the Mini Dock Series 3 with USB 3.0 will function as a USB 2.0 port. Thinkpad T430, T430s and T530 models on the Mini Dock Series 3 with USB 3.0 will function as a USB 3.0 port. The functionality of the T420, T420s and T520 is a limitation of the Intel Chipset not a defect in either the Thinkpa...