from 1986
computer hard drives 1986 from www.computerhistory.org
The IBM PC-RT had 1 MB of RAM, a 1.2- megabyte floppy disk drive, and a 40 MB hard drive. It performed 2 million instructions per second, but ...
im pretty sure i i is the difference between a megabyte and a kilobyte
Mine had 40 k ram and 2 40 k floppy drives. It was an AT clone, that I purchased in ‘89 or ‘90.