Everything you need, nothing you don't. Completely re-designed for a new generation of ThinkPads, snap into the ThinkPad Basic Dock with an included ThinkPad AC Adapter and get connected to power, your Local Area Network/Internet and workplace accessories such as an external display, keyboard, mouse and printer so you can get more done faster. One of the dock's USB ports also supports always-on mobile device charging, which means that you can charge your mobile phone or tablet, even when your notebook is away. Our unique physical alignment guarantees perfect notebook-dock alignment every time. Ideal for: Individuals above-and-beyond the budget and small businesses which need the basics done right.3x USB 2.0, one supports always-on USB charging 1x USB 3.0 10/1000 Gigabit Ethernet, supports enterprise manageability 1x VGA Driver-free, perfect video quality Charges your ThinkPad with an included ThinkPad 65W AC Adapter Security lock hole Convenient eject button for one-step system removal Physical rear alignment for a perfect dock every time Smaller desktop footprint vs. Series 3 docking stations Includes ThinkPad AC adapter (90W) Package Contents: ThinkPad Basic Dock - 90W US / Canada / Mexico ThinkPad 90W AC Adapter Power Cord Publications Host Interface: Proprietary Interface Product Type: Docking Station Device Supported: Notebook/Tablet/Cellular Phone Product Type: Docking Station Compatibility: Lenovo ThinkPad T440S 20AQ Notebook Device Supported: Notebook/Tablet/Cellular Phone Manufacturer Part Number: 40A00090US Limited Warranty: 1 Year Weight (Approximate): 1.81 lb Connectivity Technology: Docking Connectivity Technology: Docking Manufacturer: Lenovo Group Limited Product Name: ThinkPad Basic Dock - 90W US / Canada / Mexico Brand Name: Lenovo Brand Name: Lenovo Height: 2.2 Width: 13.6 Depth: 6.4 VGA: Yes Network (RJ-45): Yes Total Number of USB Ports: 4 Number of USB 2.0 Ports: 3 Number of USB 3.0 Ports: 1 VGA: Yes Network (RJ-45): Yes Total Number of USB Ports: 4 Number of USB 2.0 Ports: 3 Number of USB 3.0 Ports: 1