The Lenovo 40AF0135US ThinkPad Hybrid USB-C with USB-A Dock is a black docking station that expands laptop capabilities. It features enterprise-class manageability, including PXE boot and MAC address pass-through, and offers three high-speed USB 3.1 ports. A USB-C to USB-A adapter is included to provide port replication to non-Lenovo or USB-C laptop computers.