Overview The ThinkPad OneLink+ Dock (40A4), powered by Lenovo's revolutionary OneLink+ technology, transforms your new ThinkPad into a full office or home machine. The new convenient OneLink+ connector not only offers super fast data transfers with USB 3.0 and video up to Ultra High Definition (UHD), but also recharges your notebook, mobile phone and tablet while working or playing! Unlike USB docks, OneLink+ Dock provides compression-free video, driver-free and without any impact on image quality and notebook performance. Dock and connect to power, Internet and workplace accessories via a convenient single connector. Expect nothing less than an exceptional value with connections for two external displays, a keyboard, a mouse and a printer. It also comes with a ThinkPad 90w thin-tip AC adapter. The docking station is equipped with a stereo/microphone combined audio port and two USB 3.0 ports on the front panel, of which one as "always" port for charging mobile devices. Meanwhile, the rear panel has two USB 2.0 ports and two USB 3.0 ports, allowing maximum connectivity of the device. The OneLink+ dock also features a 10/1000 Gigabit Ethernet port, a VGA port and two DisplayPort 1.2 ports for up to 3 video outputs* with a maximum resolution of 4k2k**. For security reasons, the dock can be protected via a safety cable. With all these fantastic features. Features include: A single OneLink+ cable enables all docking functions by providing continuous power, allowing you to increase your productivity in no time. Video output up to 4k allows you to experience a vivid video experience with your brand new ThinkPad Ultrabook The ignition button on the dock reflects the ignition button of the Gigabit Ethernet system (10/1000) with Boot over [Bleep] LAN support on all systems ThinkPad OneLink+ Notes: *It is possible to issue a maximum of 3 monitors in total, including the OneLink+ dock system LCD is able to support a resolution of up to 4k2k (3840x2160). The actual video output on the dock is based on the video performance of the system as the video signal passes from the system to the OneLink+ dock. For detailed information, visit: Display and video output configurations - Docking station *** Gigabit Ethernet via USB , you may need to install a driver . Make sure your system BIOS is the latest version or update BIOS to the latest version via Lenovo System Update. Technical Information Doors and Security Four USB 3.0 (one provides always active charging of the mobile device) Two USB 2.0 Mount Connector OneLink+ Two DisplayPort VGA GigabitEthernet Combined stereo/microphone Slot for Kensington CC padlock inside