Lenovo ThinkPad Basic Dock 90W (40A00090US) 1x USB 3.0 and 3x USB 2.0 (1x always-on USB charging) 1x VGA (driver not required, perfect video quality, supports only one monitor/display) and 1x Ethernet Comes with ThinkPad AC adapter (90W) Compatible with select 65w and 90w Lenovo laptops - Not recommended for laptops with 170W AC adapters L440, L450, L460, L540, L560, L570, P50S, P51S, T440, T440p, T440s, t450, T450s, t460, t460p, t460s, T540p, T550, T560, T470, T470S, T470P, T570, W550s, X240, X250, X260, X270