Lenovo Thinkpad Mini Dock Series 3 (433710U) 6x USB 2.0 ports, located on the rear of the dock; ideal for peripherals like mice, keyboards, printers, scanners, cameras, etc. Video Ports: 1x VGA analog (supporting 1920x1200 resolution); 1x DVI-D digital (supporting 1920x1200 resolution); 1x DisplayPort (supporting 2560x1600 resolution). Internet: 1x RJ-45 Ethernet port. Audio ports: 1x Analog Microphone in; 1x Headphone out. Includes a 90W AC Power Adapter. Features Left-corner alignment for easy laptop attachment. Convenient eject button for one-step laptop removal. IMPORTANT - Full Compatibility List in DESCRIPTION.