Lenovo ThinkPad Mini Dock Series 3 with USB 3.0 Mini dock 90 Watt United States for ThinkPad L420 L430 L520 L530 T400s T410 T410i T410s T410si T420 T420s T430 - Office Depot
Docking Station IBM Lenovo ThinkPad USB 3.0 T410 T420 T420S L520 L530 T400s DOC3 | eBay
Amazon.com: Lenovo ThinkPad Mini Dock Series 3 with USB 3.0 (433715G) (0A65683) : Electronics
I always thought that the overhang on the USB 3.0 ports on my T430 was weird, but then realized I could put these small usb drives there for almost unnoticeable extra storage!
Lenovo ThinkPad T430 T530 Mini Dock Plus Series 3 w/ USB 3.0 90W Docking StationのeBay公認海外通販|セカイモン