Also, keep in mind, a lot of docks will split the frame rate when you add multiple monitors for example, a dock might support either one 4K monitor at 60Hz OR two 4K monitors at 30Hz at a time.
![huge beatiful cdock huge beatiful cdock](https://i.pinimg.com/736x/52/61/1a/52611ab44614880146a7f28df1535a36.jpg)
Also, keep in mind, a lot of docks will split the frame rate when you add multiple monitors for example, a dock might support either one 4K monitor at 60Hz OR two 4K monitors at 30Hz at a time.