Lenovo 40AH0135UK laptop dock/port replicator Docking Black: The ThinkPad Pro Docking Station is designed exclusively for 2018 and newer ThinkPad T, L, X, and X1 Series laptops to provide the best docking experience for large enterprise ThinkPad customers. The innovative side connector provides a slim, driver-free way to connect conveniently and securely to a range of USB accessories and external displays, while rapid charging support and a mirrored power button make it easy to undock and go. For IT Managers, the mechanical ThinkPad Pro Dock supports PXE book, wake on LAN, and MAC address pass-through for, simplifying asset management. Painstakingly designed after extensive feedback from ThinkPad customers, these new ThinkPad docking stations provide seamless connectivity through dual USB-C and ethernet ports. Transfer data at 5 Gbps via three USB 3.1 ports, and connect to dual UHD displays, too. Enterprise-class, universal, mechanical side-docking station Supports ThinkPad RapidCharge Built for 2018 ThinkPad L Series, T Series, X Series, and X1 Series laptops Can charge mobile devices with 15W and 10.5W from USB-C port and USB3.0 always power-on port respectively