The ThinkPad OneLink Pro Dock, powered by Lenovo’s revolutionary OneLink technology transforms your new ThinkPad into a full-featured machine. Network: - Ethernet LAN: Yes - Ethernet LAN (RJ-45) ports: 1 Packaging content: - AC adapter included: Yes Performance: - Compatibility: ThinkPad X1 Carbon (2nd gen), ThinkPad Edge (E540, E440, S540, S440, S531, S431, E531, E431), ThinkPad Yoga - Optical drive included: No - Product colour: Black Ports & interfaces: - Connectivity technology: Wired - DisplayPorts quantity: 1 - DVI-I ports quantity: 1 - Microphone in: No - USB 2.0 ports quantity: 2 - USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 - USB connector type: USB Type-A Vendor information: - Brand Name: Lenovo - Warranty: 1 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Notebooks & Spare Parts - Product.Details.Specifications.Level3: Docks & Port Replicators