1 billion bits of data per square inch

In April 1996 an American computer company IBM (International Business Machines) of Armonk, NY, USA, introduced a disk drive that could hold / store 1 billion bits of data per square. Portable computers were the first to use this small-format disk drive technology.

Additional Information:

  • The Amazing History of Information Storage: How Small Has Become Beautiful
    People have been storing information since the stone ages, ever since they’ve been writing or putting art on tablets and walls. With the invention of paper and ink, the “density of information” increased significantly, packing a lot more information into a tighter space (such scrolls and eventually bound books, as we still use today).
  • History of hard disk drives
    In 1953, IBM recognized the immediate application for what it termed a “Random Access File” having high capacity and rapid random access at a relatively low cost.

      April 1996
      IBM (International Business Machines)
      Armonk, NY, USA
      Disk Drives with storage of 1 billion bits of data per square

Additional information:

  • Timeline: 50 Years of Hard Drives
    Over the past five decades, hard drives have come a long way. Travel through time with us as we chronicle 50 milestones in hard-drive development–from product firsts to new technologies, and everything in between.
  • IBM HIGHLIGHTS, 1996 – 1999
    a 26 page PDF from IBM historical files
  • IBM sets new standard for disk drive storage Announcement scheduled for today
    IBM passed the 1 billion bit level in April 1996. Like that advance, the new technology will first be used in 2.5-inch, nonremovable disk drives intended for use in portable computers. At this size, a single-platter disk drive will be able to hold 6.5 gigabytes of data, enabling very slim laptop computers to have vast storage capacity. A 3.5-inch platter will hold 12 to 13 gigabytes.

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