September 13 - 1956: Tech - IBM introduced the first computer disk storage unit, as a component of the RAMAC 305 ~ a 3.75 mb capacity which leased for $3,200 a month. history
— Today In History (@Yesterday_Today) September 13, 2019Related Topics: History of IBM magnetic disk drives#Early IBM HDDs, disk storage
September 13 - 1956: Tech - IBM introduced the first computer disk storage unit, as a component of the RAMAC 305 ~ a 3.75 mb capacity which leased for $3,200 a month. history
— Today In History (@Yesterday_Today) September 13, 2019