this post was submitted on 19 Oct 2025
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Really more of a hardware RAM disk, but CompuPro offered a board called the M-drive for their S-100 ecosystem in the early '80s. 512k of DRAM-based storage; one board cost $1,895 in 02/1983. The potential existed to use up to eight boards in one system, which would give the user a 4MB RAM disk.
That would be 6,164$ in today's money. And here I am, complaining that a 24TB drive is 300$ lmao :P
You hear people saying everything is more expensive now, and for low-tech things that's true, but electronics have sure gone the other way hard.
FWIW CompuPro targeted the enterprise and scientific markets. Something like this wouldn’t be something a individual home/hobbyist/small business user would be buying.