You don't need a link. I can corroborate with my own experiences. Flash memory slowly forgets information. One guy told me that he can't unplug is big SSD array

You don't need a link. I can corroborate with my own experiences. Flash memory slowly forgets information. One guy told me that he can't unplug is big SSD array because he's afraid to lose a few bits. He might as well call it RAM.