Editing Hard disk drive (section)

== Economy ==
=== Price evolution ===
HDD price per byte decreased at the rate of 40% per year during 1988–1996, 51% per year during 1996–2003 and 34% per year during 2003–2010.<ref name="jcmit">{{cite web
 | url = http://www.jcmit.com/diskprice.htm
 | archive-url = https://web.archive.org/web/20150714062141/http://www.jcmit.com/diskprice.htm
 | title = Disk Drive Prices (1955–2015)
 | date = May 16, 2015 | access-date = July 25, 2015 | archive-date = July 14, 2015
 | first = John C. | last = McCallum | website = jcmit.com
}}</ref><ref name="Byrne2015b" /> The price decrease slowed down to 13% per year during 2011–2014, as areal density increase slowed and the [[2011 Thailand floods]] damaged manufacturing facilities<ref name="Mellor 2014-11-10" /> and have held at 11% per year during 2010–2017.<ref>{{cite web |date=July 11, 2017 |title=Hard Drive Cost Per Gigabyte |url=https://www.backblaze.com/blog/hard-drive-cost-per-gigabyte/ |url-status=live |archive-url=https://web.archive.org/web/20190526075044/https://www.backblaze.com/blog/hard-drive-cost-per-gigabyte/ |archive-date=May 26, 2019 |access-date=May 26, 2019 |publisher=Backblaze}}</ref>

The [[Federal Reserve Board]] has published a quality-adjusted [[price index]] for large-scale enterprise storage systems including three or more enterprise HDDs and associated controllers, racks and cables. Prices for these large-scale storage systems decreased at the rate of 30% per year during 2004–2009 and 22% per year during 2009–2014.<ref name="Byrne2015b" />

=== Manufacturers and sales ===
{{See also|History of hard disk drives|List of defunct hard disk manufacturers}}
[[File:Diagram of Hard Disk Drive Manufacturer Consolidation.svg|thumb|Diagram of HDD manufacturer consolidation]]

More than 200 companies have manufactured HDDs over time, but consolidations have concentrated production to just three manufacturers today: [[Western Digital]], [[Seagate Technology|Seagate]], and [[Toshiba]].  Production is mainly in the Pacific rim.

HDD unit shipments peaked at 651 million units in 2010 and have been declining since then to 166 million units in 2022.<ref>{{cite web
 |url=https://www.statista.com/statistics/398951/global-shipment-figures-for-hard-disk-drives/
 |title=Hard disk drive (HDD) unit shipments worldwide from 1976 to 2022 |publisher=Statista  |access-date=July 28, 2023}}</ref> Seagate at 43% of units had the largest market share.<ref>{{cite web
 |url=https://www.statista.com/statistics/1257240/hard-disk-drive-hdd-supplier-market-share/
 |title=Hard disk drive (HDD) supplier market shipment share worldwide in 2022 |last=Alsop |first=Thomas |date=February 17, 2023 |publisher=Statista |access-date=July 28, 2023}}</ref>
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HDD revenue in 2022 is estimated at $222 million.<ref>{{cite web |url=https://www.marketwatch.com/press-release/2023-hard-disk-drives-market-sales-and-forecast-till-2030-2023-06-11
 |title=2023 Hard Disk Drives Market Sales and Forecast till 2030|date=June 11, 2023 |publisher=Industry Research |access-date=July 28, 2023}}</ref>
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