PCMCIA/PC Card/Expresscards (castro valley)

I am on a quest for some PCMCIA/PC Card/Expresscards – these would slide into the slot on the side of a laptop, to expand the capabilities of said laptop. Normally you would find modems or network adapters; I am specifically looking for USB3, Firewire, and eSATA PCMCIA/PC Cards and/or Expresscards.

This ask is to support some personal technology upgrade/repair projects I have with some equipment that I intend to reuse or donate and would like to reuse/up-cycle what extras you have.
Appreciate the assistance and helping keep the electronics/computer parts out of landfills.

Thank you and stay safe out there.
Can you help with this request?
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