Limited use of expansion card space

Why do the USB-C, USB-A, and the SD card module all only have one port? There is enough room for each of them to have more than one. There could be two USB-C ports, or two USB-C ports, or multiple SD card slots including a mini and a full size.

Similarly, there isn’t an option for a mix between the USB ports. A C and A combo on a single exp card. It seems like an inefficient use of space. Is there an internal circuitry or PCB limitation or just a design choice? If so, that would mean someone could create one of these better cards.

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Discussion regarding this can be found here.

What new Expansion Card types do you want to see released? - Creators & Developers - Framework Community

Requesting a merge to that thread.

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USB-C Has a DP Carry through reason, you just can’t fit 2 USB-A I believe from what I can see on my expansion card.

To complete dual type C you will require a one or two chip solution which is currently impossible. It is possible but not in the current form factor.