Description Lenovo 40A20170US ThinkPad 3.0 Ultra Dock 40A2 170W FRU 04W3951 SD20A06041 Docking Station Keys are NOT included and not needed for the dock to work. AC adapter is not included.   Compatible systems: • ThinkPad T440, T440s, T440p, T540p, X240, X250, L450, L540, L440, W541, W540 and other 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 with an included ThinkPad 90W AC Adapter • Physical rear alignment for a perfect dock every time Smaller desktop footprint vs • Series 3 docking stations Specifications: Brand: • Think Color: • Black Connectivity: • Mechanical Ports: • 3x USB 2.0,3x USB 3.0,1x VGA,3x USB 2.1,3x USB 3.1,2x VGA,3x USB 2.2,3x USB 3.2 Security: • Yes Wattage (W): • 170