A lot of the unreliability comes from the connector, and a lot more comes from crappy counterfeit SD cards. If you still want an SD card (I don't -- network an

A lot of the unreliability comes from the connector, and a lot more comes from crappy counterfeit SD cards. If you still want an SD card (I don't -- network and USB are so much faster), I expect you could buy an IO board with one or more. I don't see one on the Pi Foundation's board right now but it should be easy to add.