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Private company

Plus Development

Logo: Plus Development Corporation; designed by Robert Wages and Walt Floyd of Wages Graphic Design (Atlanta, Georgia), Public domain, via Wikimedia Commons3

Hard disk producing company in California, United States

Plus Development Corporation was a majority-owned subsidiary of Quantum Corporation. The company invented the Hardcard, a hard disk drive on an expansion card, which started a wave of companies producing similar products in the 1980s.2 It is headquartered in Milpitas.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1983Founded1
  • Industrycomputer storage media1
  • HeadquartersMilpitas1

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Plus Development Corporation was a majority-owned subsidiary of Quantum Corporation. The company invented the Hardcard, a hard disk drive on an expansion card, which started a wave of companies producing similar products in the 1980s.2

Products and brands

  • hard disk

Listed on Wikidata.1

Timeline

  1. 1983Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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