Add 2 DisplayPort displays to a Thunderbolt 3 desktop, laptop, or notebook computer DUAL 4K VIDEO - Adds two DisplayPort 4K displays (up to 4096x2160 @60Hz) through a single Thunderbolt 3 USB-C port SINGLE 5K VIDEO - Connects a single DisplayPort 5K Display (up to 5120x2880@60Hz) through dual DisplayPort connection INTEL® THUNDERBOLT™ 3 CERTIFIED - Compatible with both Windows and Mac systems that are Thunderbolt 3 technology enabled WIDE COMPATIBILITY - Works with Thunderbolt 3 technology equipped computers such as MacBook Pro 2016/2017, Dell, HP, Lenovo, and many more PLUG-N-PLAY - No driver installation and no external power adapter required