1950s - 1970s dad October 09, 2011The IBM 350 Disk File, invented by Reynold Johnson, was introduced in 1956 with the IBM 305 RAMAC computer. This drive had fifty 24 inch pla... Continue Reading
IBM 3390 direct access storage device dad August 23, 2011Models A14, A18, B14, B18, B1C, A24, A28, B24, B28 and B2C announced November 14, 1989 ... Continue Reading
IBM 3380 dad June 29, 2011The IBM 3380 Direct Access Storage Device was introduced in June 1980. It used new film head technology and had a capacity of 2.52 gigaby... Continue Reading
IBM 3370 direct access storage device dad May 22, 2011 IBM 3370 Direct Access Storage Device Models A1, B1, A11, and B11 announced January 30, 1979 and withdrawn August 5, 1986 Models A2... Continue Reading
IBM 3350 direct access storage dad April 24, 2011Models A2, A2F, B2 & B2F announced July 15, 1975 and withdrawn September 5, 1994 Models C2 and C2F announc... Continue Reading