The Thunderbolt 3 TD-300 Docking Station from Promise Technology connects to a host system via a single Thunderbolt 3 connection to provide the computer with five USB 3.0 ports as well as additional connectivity features. With Thunderbolt 3 technology, the dock provides a pass-through Thunderbolt 3 port that can recharge notebooks with up to 60W of power and display resolutions of up to 5K. For multi-monitor setups, there's an HDMI port for supporting two 4K displays when the Thunderbolt 3 port is also used. Other notable features include an audio combo jack, Gigabit Ethernet port, and SDXC card reader. Included along with the TD-300 docking station are a dual-voltage power adapter and 19.7" Thunderbolt 3 cable.