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. Important Notes - Supports most modern Windows and Mac systems, with additional requirements for 4K output. Doesn't support playback of HDCP-protected content. Not recommended for gaming or software requiring a dedicated graphics card. See system requirements below. Supports Windows and Mac - Compatible with, and easily installed, on most Windows 11, 10, 8.x, and 7 computers and macOS 10.14+. Linux and Chrome OS are not supported. Flexible Connection - Add 2 monitors using either DisplayPort or HDMI allowing for a versatile 1 in 2 out solution to fit your equipment. Easily adapt USB 3.0 systems with included USB-C to USB 3.0 adapter, fulfilling your USB C to HDMI adapter needs and more. Dual 4K Monitors - Video adapter is equipped with dual DisplayPort and HDMI ports for easy connection to two 4K monitors. Each monitor can run in extended mode displaying unique content, and supporting resolutions up to 3840x2160 @ 60Hz and lower resolutions such as 1920x1080 (1080p).