What is the Thunderbolt 3 docking station?

Thunderbolt interface is an interface that combines PCI Express data transmission technology and DisplayPort display technology; it can transmit data and video at the same time; the two channels of Thunderbolt 3 can not only transmit data at the same time, each channel also provides a two-way 20Gb/s rate, that is, the bandwidth of Thunderbolt 3 reaches up to 40Gb/s, which is 8 times that of USB3.0 and 4 times that of USB3.1.
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Docking Station (Docking station), also known as Port Replicator (Port Replicator), is an external device that expands the interface of the device.For example: it can make the laptop a convenient one-stop connection with multiple accessories or external devices, such as power adapters, network cables, mice, external keyboards, printers, external monitors, card readers, etc.

As the name suggests, the Thunderbolt 3 Docking Station is a high-bandwidth interface based on the Thunderbolt 3 interface to expand external equipment; it is mainly used to expand common HDMI interface, DP interface, Type-c3.1 interface, USB3.0 interface, gigabit network port, SD/TF card reading interface, 3.5mm headset integrated interface and Thunderbolt 3 loop-out interface; thanks to the high bandwidth of Thunderbolt 3, the Thunderbolt 3 docking station can support 2 external 4K, or 1 5K display.

At present, Thunderbolt 3 also adopts the standard Type-c interface. In order to facilitate the distinction between the thunderbolt interface and the ordinary Type-c interface, there will generally be a thunderbolt logo next to the thunderbolt interface. If you see an interface with a thunderbolt logo on your laptop or graphics card, then it is the thunderbolt interface.Friends who want to use the Thunderbolt 3 expansion dock must check in advance whether their equipment has a Type-c-shaped interface with the Thunderbolt logo.