2 Year Warranty - We love our Plugable products, and hope you will too. All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support. Compatibility - Requires compatible USB-C port supporting both video and charging or Thunderbolt 3 system (USB-C Chromebooks, Surface Pro 7, Surface Laptop 3, HP Spectre, Dell XPS). Not compatible with legacy USB 3.0 systems. Not all USB-C ports and systems support Power Delivery or Alt Mode; please see our website for compatibility tables. DisplayPort monitors are not supported. 4K Performance - With VESA DisplayPort Alternate Mode over USB-C (Alt Mode), the dock establishes a direct pipeline to your host graphics processor. Enjoy native-level display performances up to the host system's GPU capabilities. Small-scale Design - This USB C docking station offers a sleek and minimal form factor which means saving valuable desk space and avoiding a clutter of electronics and cables. Includes a VESA mount to tuck the dock behind a monitor for an even lower profile at your workstation. Powerful USB-C Dock - Power up your productivity with a single 4K HDMI output (supports 4K 30Hz, 2560x1600 and lower at 60Hz), Ethernet, audio input/output, and four additional USB ports while providing up to 85W of power to charge your attached USB-C or Thunderbolt 3 system.