Getting back to your original question and forgetting about hubs, the specifications for USB 3.2 Gen 2 Type C ports and Thunderbolt 4 ports are given in more detail in the downloadable user manual in your user account after you purchase the laptop. That of course does not help you so herewith a...
In my experience the laptops that can be alternativly charged via USB-C will be those having Thundebolt 4. Unfortunately PCS are a bit lacking in information regarding external connectivity. In fact the only docking hub they have is the DS110 USB-C DOCKING HUB that has 3 x USB 3.0, 1 x HDMI...
If you search 'msconfig' to find the system configuration, and then open the 'boot' drop down menu, what is the selected boot drive. If it is not your m2 drive then you need to redefine the boot drive. This might be easier by downloading the free version of EasyBCD.
When Windows is first...
Since you do not have a wireless network card but wire your router directly to the computer via the LAN port, I assume you may not need the wi-fi antenna installed.
However, others (like myself) do need the wireless network enabled, not only for the router, but also for printers etc. A decent...
For maximum performance you will need to add the external liquid cooler.
However, remember that a laptop is not the equivilant of a desktop computer. For top level gaming I would therefore suggest the desktop.