USB docking station, also known as port replicator, refers to devices that expand other interfaces from USB interfaces (such as audio input/output interface, video output interface, Bluetooth, COM or LPT interface, card reader, network card and more USB interfaces). But this kind of thing is rare, and the price is not cheap (hundreds or even thousands, which is equivalent to integrating various devices such as USB sound card, USB network card, USB external graphics card, card reader and USB HUB. ), it is also a few products that appeared after the appearance of USB3.0 (USB2.0 is also available, but less, more are two USB transfer-out card readers, Bluetooth and several additional USB interfaces, because of the bandwidth and power supply of USB2.0.

USB hub refers to a plurality of USB interfaces extending from one USB interface. This thing is very common, there are many on the market, and it is very cheap.

In a loose sense, if you describe the USB HUB as a USB docking station, most people can understand what you are saying in the context of context.