Portable Hard Drives - Manufacturers and Sales

Manufacturers and Sales

See also: History of hard disk drives and List of defunct hard disk manufacturers

More than 200 companies have manufactured HDDs over time. But consolidations have concentrated production into just three manufacturers today: Western Digital, Seagate, and Toshiba.

Worldwide revenues for HDDs shipments are expected to reach $33 billion in 2013, down about 12% from $37.8 billion in 2012. This corresponds to a 2013 unit shipment forecast of 552 million compared to 577 million units in 2012 and 624 million units in 2011. The estimated 2013 market shares are about 40-45% each for Seagate and Western Digital and 13-16% for Toshiba

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