Plugable USB C to HDMI 2.0 Adapter Compatible with 2018 iPad Pro, 2018 MacBook Air, 2018 MacBook Pro, Dell XPS 13 & 15, Thunderbolt 3 Ports & More (Supports Resolutions up to 4K@60Hz) Utilizes USB-C "DisplayPort Alternate Mode" to provide an additional HDMI 2.0 port on supported USB-C and Thunderbolt 3 systems. Backward compatible with HDMI 1.4 displays Supports resolutions up to 38402160@60Hz (4K@60) when connected using an HDMI 2.0 capable system, cable, and display. Some displays require addtional settings to allow 4K60; many additional 4K60 troubleshooting details available on our website Compatible with 2018 iPad Pro, 2018 MacBook Air, 2017 iMac/iMac Pro, 2017 / 2018 MacBook Pro, 2017 / 2018 12" MacBook Retina, Dell XPS 13 & 15 (9350 / 9360 / 9370, 9550 / 9560), Microsoft Surface Book 2, HP Spectre x360 systems with Thunderbolt 3 ports, Chromebook Pixel 2015, and many other tablets, & desktops which comply with the VESA "DisplayPort Alternate Mode on USB Type-C Connector Standard." NOT compatible with Dell XPS 15 9570 Requires USB-C port which supports "DisplayPort Alternate Mode" (not all USB-C ports/systems support Alternate Mode functionality) or Thunderbolt 3 port. Please note the Apple 12" MacBook only supports up to 4K@30Hz. See additional compatibility information below We love our Plugable products, and hope you will too. All of our products are backed with a 1 year limited parts and labor warranty as well as Seattle-based email support