With the horsepower to drive mobile workstations, the completely re-designed and supercharged ThinkPad Ultra Dock with an included ThinkPad 170W AC Adapter grows capability without growing in size. The ultimate docking solution includes a wide range of video outputs, including HDMI 1.4, and support for multiple external monitors so you can multi-task like never before.3x USB 2.0, one supports always-on USB charging 3x USB 3.0 10/1000 Gigabit Ethernet, supports enterprise manageability 2x DisplayPort 1.2 1x DVI-D 1x HDMI 1.4 1x VGA Driver-free, perfect video quality 1x Stereo/Mic Combo Audio Port 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 Comes with ThinkPad AC adapter (170W) Some of the video ports do have exclusive use and are also dependent on the docked ThinkPad configuration Package Contents: Ultra Dock Docking Station 2 x Security Keys 170W AC Adapter Power Cord Publications Host Interface: Proprietary Interface Product Type: Docking Station Device Supported: Notebook Product Type: Docking Station Compatibility: Lenovo ThinkPad T440s 20AQ Notebook Device Supported: Notebook Manufacturer Part Number: 40A20170US Limited Warranty: 1 Year Weight (Approximate): 2.03 lb Connectivity Technology: Docking Microphone: Yes Connectivity Technology: Docking Manufacturer: Lenovo Group Limited Microphone: Yes Product Name: Ultra Dock Docking Station Product Line: Ultra Dock Brand Name: Lenovo Product Series: 3 Brand Name: Lenovo Height: 2.2 Width: 13.6 Depth: 6.4 HDMI: Yes DVI: Yes VGA: Yes Network (RJ-45): Yes DisplayPort: Yes Total Number of USB Ports: 6 Number of USB 2.0 Ports: 3 Number of USB 3.0 Ports: 3 HDMI: Yes DVI: Yes VGA: Yes Network (RJ-45): Yes DisplayPort: Yes Total Number of USB Ports: 6 Number of USB 2.0 Ports: 3 Number of USB 3.0 Ports: 3