This USB-C Triple 4K Monitor Docking Station is Works With Chromebook (WWCB) certified and features guaranteed compatibility with Chromebook Devices and USB-C or Thunderbolt 4 Chromebooks. Connect a combination of one USB-C DP Alt Mode, one HDMI, and/or up to two DisplayPort monitors to the Video 1 and Video 2 Ports and connect one HDMI monitor to the Video 3 Port for a triple-monitor setup at 4K 30Hz with DisplayPort 1.4 HBR3 w/DSC and HDMI 2.0 support. Supports up to 4K 60Hz This dock offers a wide range of connectivity features to enhance your productivity including 5x USB-A ports, Gigabit Ethernet, 3.5mm audio, and 2x 10 Gbps USB-C charge ports (1.5A, 7.5W) DK31C3MNCR is tested and certified to meet Google's Chromebook compatibility standards and ensures seamless operation with Chromebook devices. Automatic driver installation makes it ideal for setup and deployments. Auto firmware updates are available through ChromeOS. Includes one 3ft (1m) screw-locking USB-C host cable and universal power adapter.