As far as we can tell, that was a later revision that Sony & Phillips did, which added a 32-bit 21.477 MHz RISC CPU to the unit. As far as what it would look like, we did get a glimpse of that ...

Although the SuperStation One lacks a CD-ROM drive and doesn't ship with any copyrighted material, games, or software, users can load "backups" of PS1 games and ROMs via the microSD slot or USB drive.