Hello. I don't really know the names of all internal PC components and slots. What I want to do is add two extra SATA ports to my Windows desktop. These are the only PCI slots I have available. Can I get a "this type of" PCI card to SATA port card? I don't have any express ports, nor any other type of slot/ port. When I search, I can only find either PCI express or PCI cards with more pins (I think). What is that gap between the pins called, the part that makes sure you don't plug the cards upside down? Mine only has one gap thing, all the cards I've found, if not express, have 2 gaps between the pins. Thank you!