Lenovo Thinkpad 40A1 Pro Dock USB 3.0 Docking Station T440 T440p L440 T440S X240. Condition is "Used". ThinkPad L440 (integrated), L450 (integrated), L460 (integrated), L540, L560, L570, P50s, T440/s (integrated), T450p (2 cores), T450/s (integrated), T460 (integrated), T460p (integrated, 2 cores), T460s (integrated), T540p (2 cores), T550, T560, T570, W550s, X240, X250, X260 (integrated)Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual data transfer rate will be slower than 5 Gbit/s on USB 3.1 Gen 1 (USB 3.0) connectors, slower than 10 Gbit/s on USB 3.1 Gen 2 connectors, and slower than 20Gbit/s on USB 3.2 connectors.Compatible with both 65W and 90W Lenovo ThinkPad machines (see product description for compatible Lenovo ThinkPad machines) that have the required bottom dock portOnly Supports a dual monitor hook up with different connection typesWARNINGS: (1) You must download the updated Lenovo firmware utility drivers for this item to function correctly (requires: Windows 10, 8.1, 8 and 7); (2) This product does not support Lenovo ThinkPad models with a Quad Core Processor; (3) This product does not support ThinkPad T460p quad-core models with discrete graphics; (4) NOT recommended for Lenovo ThinkPad machines with 170W AC adapters