Lenovo Thinkpad Docking Station USB 2.0 Type 4337. For ThinkPad L412, L420, L512, L520 ThinkPad T400s, T410, T410i, T410s, T410si, T420, T420s, T430, T430s, T510, T510i, T520 , T520i , T530 , T530i ThinkPad X220, X220i, X230, X230i (Dual Core models ONLY, Quad Core models require 170w AC Adapter) Earlier ThinkPad models include: R60, R61, R400, R500, T60, T61, T400, T500, W500, Z60, Z61.
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