? Main features: Model: Lenovo ThinkPad OneLink Pro Dock Type: Docking Station ? Prestazioni Performance: Cooling Type: Passive ? Doors: Video ports: 1x DVI-I with maximum resolution 1920x1200 1x DisplayPort with maximum resolution 2560x1600 USB ports: 2x USB-A 3.0 front of which one with always active charging for mobile devices 2x USB-A 3.0 rear for high speed accessories 2x USB-A 2.0 rear for peripherals such as keyboard mouse and printer Audio ports: 1x audio port stereo microphone combo Connectivity: 1x LAN Ethernet 10 100 1000 Mbit s Technology OneLink : Uses a single cable to provide data, video (dual display) and power, simplifying the connection and disconnection of the laptop. Unlike traditional USB docks, it offers uncompressed videos without overloading the notebook processor. Full Dual video output is supported on ThinkPad with DisplayPort 1.2. ThinkPad with DisplayPort 1.1 ( ThinkPad Edge E431/E531/S431/S531) have some limitations with video output configurations. : Design: Color: Black Material: Plastic Slots for Padlock: Yes ?: Environmental features: Operating temperature: -5 degrees to 40 degrees C Relative operating humidity: 5 percent to 95 percent excluding rain Storage temperature: -40 degrees to 60 degrees C Relative storage humidity: 5 percent to 95 percent excluding rain di Energy management Includes 90 W AC adapter (thin tip) to support notebook charging? Dimensions and weight: Height approx. 13,4 cm Approximate width: 4,8 cm Approximate depth: 9.2 cm Approximate weight: 480 g ? Compatible: Compatible operating systems: Windows Compatible Laptop Size: 12.5 inches 14 inches 15.6 inch Compatible Brand: Lenovo Compatible Product Line: Lenovo ThinkPad Lenovo ThinkPad Edge Lenovo ThinkPad Yoga Lenovo ThinkPad X1 Series Compatible Models: Lenovo ThinkPad E455 14" E450 14" E550 15,6" E550c 15,6" E555 15,6" S440 14" S431 14" Lenovo ThinkPad Edge E440 14" E531 15" E431 14" S531 15,6" Lenovo ThinkPad Yoga 12 from 12.5" 14" 15" S1 from 12.5" Lenovo ThinkPad X