Some revealing patents have been unearthed that give the impression Sony has overhauled the SSD units that will eventually be integrated into the upcoming PlayStation 5 console. It seems "basic" SSDs had too many limitations that would prevent the next-generation console from reaching peak performance levels.
https://www.notebookcheck.net/Sony-may-have-created-a-customized-SSD-for-the-PlayStation-5.421615.0.html
I don't get these so called ps5 designs. None from 1 to 4 are similar, but people still think 5 will be similar to 4!