Original ThinkPad Pro Dock ( 40A10090US ) With 90W AC Adapter Factory Sealed Lenovo USA Features 3x USB 2.0, one supports always-on USB charging 3x USB 3.0 10/1000 Gigabit Ethernet, supports enterprise manageability 1x DisplayPort 1.2 (Exclusive use with DVI-D) 1x DVI-D (Exclusive use with DisplayPort) 1x VGA Driver-free, perfect video quality 1x Stereo/Mic Combo Audio Port Security lock hole Convenient eject button for one-step system removal Charges your ThinkPad. Only Supports a 2 monitor Hook up with different connection types/ WARNING - YOU MUST DOWN LOAD THE LENOVO UPDATED FIRMWARE AND DRIVERS FOR THIS ITEM TO FUNCTION CORRECTLY. 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, L470, L540, L560, L570 , P50s, P51S, T440, T440p, T440s, T450, T450s, T460, T460p, T460s ,T470 ,T470P, T470S, T540p ,T550 ,T560, T570 , W550s , X240 , X250, X260, X270