Mac Plus - Identify this Memory Expansion

[Iesca]

Otherwise, in our current timeframe, the main point of interest is as a clever SuperMac hardware hack that was one of the products that helped launch the company.

Makes you wonder why there aren't very many then. You'd think they'd be more common in the community.

 

[MacOSMonkey]

Who knows how many were sold, including SuperRAM2 and SuperRAM4? But, along with the drives and some early software partnerships, they helped bootstrap/launch the company. As soon as RAM prices dropped and the SE appeared, they eventually became much less relevant.