By now, you must be wondering what exactly the SEGA Pluto prototype is and what it can do in relation to the SEGA Saturn. The easy explanation is that the Pluto is a SEGA Saturn with an internal Netlink. It featured a flip-top optical drive, cartridge slot, two controller ports, and the power and reset buttons. Oh, by the way, the poster claims it one of the heaviest consoles ever; but then again, this was a prototype. Apparently, this is one of only two prototypes of the Pluto that exist.
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