All the laptops marked as 'Special Offer' are the same in that they only offer one choice for the graphics card. Thje same may also be true for other componants. I suspect that these laptops are now end of line and about to be revised or replaced.
As Ekans says though, check with PCS to see if...
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...