Lenovo Thinkpad Pro Dock 40A1. In used but good working condition with original Lenovo power supply The ThinkPad Pro Dock 65W is supported on ThinkPad L440 and L540, ThinkPad X240, ThinkPad T540p, ThinkPad T440 Integrated graphics models only (Discrete graphics models not compatible), ThinkPad T440p, and ThinkPad T440s Integrated graphics models only (Discrete graphics models not compatible).
