The CalDigit Thunderbolt 3 mini Dock is a truly portable docking solution for users that need additional device connectivity in small and light form factor. Unlike other small form factor USB-C based hubs, the Thunderbolt 3 mini Dock utilizes full 40Gbs Thunderbolt 3 which allows dual 4K display compatibility. Additionally, you can find a full speed USB 3.1 Type-A port as well as a gigabit ethernet port for high speed network access. The bus powered CalDigit Thunderbolt 3 mini Dock is available in two variants, a dual DisplayPort 1.2 model as well as a dual HDMI 2.0 model.