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Cost of a 128KB computer with floppies in 1985
(sopuli.xyz)
How much would you pay for a PC with 128KB RAM, and no hard disk?
In today's money (inflation adjusted)
This an ad from Personal Computer World (UK) from 1985
And to add it was the most advanced device compared to the others. Full mouse support, graphical interface, WYSIWYG , it was a true gamechanger.
Had a used one myself and soldered RAM chips on the MB to make it a fat Mac with 4MB RAM . Boot disk system was copied to a RAM disk after boot. Good times