Always On USB 3.2 connector Gen 2Connect a compatible device to• Transfer data.• Charge with the output voltage and current of up to 5 V and 2.4 A.HDMI™ connectorConnect to an external display with a High-Definition Multimedia Interface (HDMI) cable.Power buttonPress to turn off or turn on the dock.Security-lock slotSupport cable locks that conform to the Kensington / Lenovo NanoSaver lock standards (usingCleat locking technology).Security-lock slotSupport cable locks that conform to the Kensington / Lenovo MicroSaver lock standards (using T-bar locking technology) or MiniSaver lock standards (using Cleat locking technology).VESA mount holesMount to wall or monitor stand with VESA mount screws (M4 x 10 mm x 2 pcs).Audio connectorConnect a headset or headphones with 3.5 mm plug.Statement on USB transfer rateDepending on many factors such as the processing capability of the host and peripheral devices, fileattributes, and other factors related to system configuration and operating environments, the actual transferrate using the various USB connectors on this device will vary and will be slower than the data rate listedbelow for each corresponding device.USB device Data rate (Gbit/s)3.2 Gen 1 / 3.1 Gen 1 53.2 Gen 2 / 3.1 Gen 2 10Thunderbolt 3 connector (USB-C) 40Thunderbolt 4 connector (USB-C) 40ThinkPad logo IndicationWhen the dock is connected to ac power, this indicator shows the dock status:LED status Dock statusRed Connected to ac powerPower button IndicationWhen the dock is connected to ac power but not your computer, this indicator shows the dock status:LED status Dock statusAmber OnOff Off4 ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide