This thread is for prototypes of released and unreleased consoles, as well as console add-ons.
Also for artist's conceptions, mock-ups, and fakes of any real or rumored console.
Prototype Super Famicom, 1988
16-bit Sony/Nintendo PlayStation, 1988-1991
(it's a Super Famicom/SNES w/built in CD-ROM)
32-bit Nintendo Disc aka Philips CD-ROM XA, 1992-1993
(CD-ROM add-on for Super Famicom/SNES)
NEC-HUDSON 32-bit IronMan aka Project Tetsujin, 1992
(forerunner of the PC-FX)
concept Sega Saturn, 1993