Thank you for viewing. This is a Lenovo ThinkPad Ultra Dock 40A2 (00HM917). - Brand: Lenovo - Model Name: ThinkPad Ultra Dock 40A2 (00HM917) - Connection Ports: USB, HDMI, DisplayPort, Ethernet The power port, all USB ports, HDMI, and Ethernet have been connected and their operation has been confirmed. - Power Supply: Up to 90W - Color: Black - Compatible Models: ThinkPad series Since this is a used item, returns and refunds are not accepted. Please check the condition in the photos. I was using it connected to a ThinkPad X260, but I sold the X260, so I no longer need the dock and am selling it now.