List of defunct hard disk manufacturers (English Wikipedia)

Piasta, Frank (October 28, 1970). "First Ampex Disk Drive System Is 2314-Compatible". Computerworld. IV (43). CW Communications: 21 – via the Internet Archive.
"Memory Systems". Computers and Automation. XIII (6). Berkeley Enterprises: 42. June 1964 – via the Internet Archive.
Pate, Donald (October 1982). "Atasi: Why Another Disk Drive Company?". Digital Design. 12 (10). Morgan-Grampian Publishing: 91 – via the Internet Archive.
Peterson's Hidden Job Market: 2,000 High-growth Companies That Are Hiring at Four Times the National Average (1998 ed.). Peterson's Guides. 1998. p. 34. ISBN 9781560798347 – via the Internet Archive.
"XLO: What It Could Have Been". Datamation. 18 (8). Technical Publishing Company: 87. August 1972 – via the Internet Archive.
"January Deliveries From Caelus: Another Independent Disk-Pack Supplier". Computerworld. 1 (6). CW Communications: 1, 4. September 20, 1967 – via the Internet Archive.
"Contracts". Computerworld. IV (17). CW Communications: 95D. April 29, 1970 – via the Internet Archive.
Epson Equity II+ Personal Computer Service Manual. Epson America. September 1987. p. 370.
McGinlay et al. (January 20, 1987). U.S. Patent 4,638,383. United States Patent and Trademark Office. p. 21 – via the Internet Archive. Hokushin Electric Works, Ltd., 'CD 8000 Expand Your System Versatility with Low Cost 8 inch Winchester', 1980.
Background. Corvus Systems. 1984. p. 5 – via the Internet Archive.
"Mini-Frisbees". Computerworld. 3 (45). CW Communications: 46. November 12, 1969 – via the Internet Archive.
"Josephine County Technology, Inc". PC Tech Journal. 4 (13). Ziff-Davis: 121. 1987 – via the Internet Archive.
"Expansions". Computerworld. XII (16). CW Communications: 80. April 17, 1978 – via the Internet Archive.
"Nippon Electric Industry Co., Ltd". PC Tech Journal. 4 (13). Ziff-Davis: 123. 1987 – via the Internet Archive.
"Japan Vendor Flying in Drives". Computerworld. 9 (20). CW Communications: 49. May 14, 1975 – via the Internet Archive.
Staff writer (December 8, 1980). "Ohio Scientific, M-A/COM Sign". Computerworld. 14 (50). CW Communications: 64 – via the Internet Archive.
"Olivetti Forms Subsidiary". Computerworld. 14 (50). CW Communications: 58. December 8, 1980 – via the Internet Archive.
"Low-cost disc drives access in 60 ms". Electronic Design. 19 (10). Hayden Publishing: 114. May 13, 1971 – via the Internet Archive.
"Potter DD4311 Disk Drive Is IBM Compatible". Computers and Automation. 17 (8). Berkeley Enterprises: 61. August 1968 – via the Internet Archive.
Piasta, Frank (February 25, 1970). "All IBM Tapes, Disks Have Plug-to-Plug Counterparts". Computerworld. 4 (8). CW Communications: S29 – via the Internet Archive.
"New Companies". Computerworld. XV (9). CW Communications: 68. March 2, 1981 – via the Internet Archive.
Sehr, Robert A. (February 1983). "Amlyn, DriveTec push minifloppy capacities to more than 3M bytes". Mini-Micro Systems. XVI (2). Cahners Publishing: 26, 32 – via the Internet Archive.

archive.today

"Alps to sell hard-disk head assets to rival TDK". Electronic Engineering Times. UBM LLC. March 19, 2007. Archived from the original on January 10, 2024.
"Century Data to Acquire Colorado Disk Drive Firm". Los Angeles Times: 8. September 16, 1986. Archived from the original on January 10, 2024.
"Comport Corporation". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Computer Memory Devices, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Data-Tech Memories, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"DZU AD (Bulgaria)". EMIS. ISI Emerging Markets Group. n.d. Archived from the original on January 10, 2024.
"Josephine County Technology, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Peripheral Technology Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Tulin Corporation". OpenCorporates. n.d. Archived from the original on January 10, 2024.

bitsavers.org

C. Itoh Full Line of Small Winchester Disk Drives: NP04/03/02 Family (PDF). C. Itoh & Co., Ltd. March 30, 1985 – via Bitsavers.
Lee, J. A. N. (1995). "The Rise and Fall of the General Electric Corporation Computer Department" (PDF). IEEE Annals of the History of Computing. 17 (4). Institute of Electrical and Electronics Engineers: 24–45. doi:10.1109/85.477434.

books.google.com

Martin, James A. (April 20, 1987). "Tandon buys Winchester drive maker". Computerworld. XXI (16). IDG Publications: 105 – via Google Books.
"Supershorts". Computerworld. XVI (22). CW Communications: 60. May 31, 1982 – via Google Books.
"The Bull Group to establish Bull Peripheral in Calif". Computerworld. XVIII (15). CW Communications: 144. April 9, 1984 – via Google Books.
Alper, Alan (November 10, 1986). "Merger fallout puts Memorex across Atlantic". Computerworld. XX (45): 1, 8.
Upton, Molly (October 31, 1973). "Caelus Plans 3336-11-Type Disk, Will 'Wait and See' on Winchester". Computerworld. VII (44): 34.
"Calcomp–Xerox Deal Completed". Computerworld. XIII (13). Computerworld: 84. March 26, 1979 – via Google Books.
"MPI Begins Operations". Computerworld. IX (34). CW Communications: 33. August 20, 1975 – via Google Books.
"Acquisitions". Computerworld. XI (10). CW Communications: 48. March 7, 1977 – via Google Books.
Mowery, David C. (1999). U.S. Industry in 2000: Studies in Competitive Performance. National Academies Press. ISBN 9780309173575 – via Google Books.
Bodo, Martin; Harold Moorehead (1996). Hard Drive Bible. Corporate Systems Center. ISBN 9780964150317 – via Google Books.
"Mergers & Acquisitions". Computerworld. XVII (50). CW Communications: 121. December 12, 1983 – via Google Books.
"Supershots". Computerworld. XVI (39). CW Communications: 115. September 27, 1982 – via Google Books.
"EMM to Acquire Group/3 from Informatics". Computerworld. XI (50). CW Communications: 68. December 12, 1977 – via Google Books.
"[Unknown title]". Mini-Micro Systems. 18. Cahners Publishing: 34. 1985 – via Google Books.
"EsPerT Emerges Over the Horizon". Korea Trade & Business. 8. KOTRA: 24. 1990 – via Google Books.
"Dorado Micro Systems". Moody's OTC Industrial News Reports. Moody's Investors Service. 1982. p. 2843 – via Google Books.
"JVC Releases Hard Drive for Portables and Laptops". InfoWorld. 8 (45). IDG Publications: 20. November 10, 1986 – via Google Books.
"Okidata Acquires Bridge". Computerworld. VII (30). CW Communications: 34. July 25, 1973 – via Google Books.
"Okidata M300 Stores 9M Bits". Computerworld. IX (29). CW Communications: 23. July 16, 1975 – via Google Books.
Staff writer (December 15, 1980). "Okidata Winchester Line Sold to Ohio Scientific Memory". Computerworld. 14 (51). CW Communications: 62 – via Google Books.
One Computer Corporation (November 12, 1985). "Otari C-256 20 MByte Hard Disk Drive". PC Magazine (Advertisement). 4 (23). Ziff-Davis: 282 – via Google Books.
"Another OEM doesn't go to the devil". Computerworld (Advertisement). VII (44): 32. October 31, 1973.
Markoff, John (November 9, 1981). "Tandy orders $25 million worth of disk drives". InfoWorld. 3 (25). IDG Publications: 7 – via Google Books.
Hogan, Thom (May 25, 1981). "It's Enough to Disk-Drive You Crazy". InfoWorld. 3 (10). IDG Publications: 44–46 – via Google Books.
Free, John (October 1982). "The amazing Winchester". Popular Science. 221 (4). Times Mirror Magazines: 88–90 – via Google Books.
"Merger spurs Priam layoff". Computerworld. XIX (16). IDG Publications: 95. April 22, 1985 – via Google Books.
Moody's Handbook of NASDAQ Stocks. Moody's Investor Service. 1985 – via Google Books.
Belderbos, René (1997). Japanese Electronics Multinationals and Strategic Trade Policies. Clarendon Press. pp. 84–86. ISBN 9780198233329 – via Google Books.

cnet.com

Frauenheim, Ed (June 30, 2004). "Minidrive maker Cornice slapped with another suit". CNET. CBS Interactive. Archived from the original on August 15, 2022.
"HP shuts down disk drive division". CNET. CBS Interactive. July 10, 1996. Archived from the original on August 18, 2022.

computerhistory.org

archive.computerhistory.org

Comstock, George E. (August 13, 2003). Hendrie, Gardner (ed.). "Oral History of George Comstock" (PDF). Mountain View, California, USA: Computer History Museum. CHM X2727.2004. Archived (PDF) from the original on March 23, 2017. Retrieved March 23, 2017.

computerworld.com

Mearian, Lucas (February 17, 2009). "Why Toshiba is buying Fujitsu's HDD business". Computerworld. IDG Communications. Archived from the original on January 10, 2024.
Ribeiro, John (December 20, 2011). "Seagate completes acquisition of Samsung's HDD business". Computerworld. IDG Communications. Archived from the original on January 10, 2024.

doi.org

Lee, J. A. N. (1995). "The Rise and Fall of the General Electric Corporation Computer Department" (PDF). IEEE Annals of the History of Computing. 17 (4). Institute of Electrical and Electronics Engineers: 24–45. doi:10.1109/85.477434.

eetimes.com

"Alps to sell hard-disk head assets to rival TDK". Electronic Engineering Times. UBM LLC. March 19, 2007. Archived from the original on January 10, 2024.

emis.com

"DZU AD (Bulgaria)". EMIS. ISI Emerging Markets Group. n.d. Archived from the original on January 10, 2024.

escholarship.org

Noble, Gregory W. (March 2000). Conspicuous Failures and Hidden Strengths of the ITRI Model: Taiwan's Technology Policy Toward Hard Disk Drives and CD-ROMs (PDF). Australian National University. p. 14 – via Gale.

fujielectric.com

"Notice Regarding Structural Reform of the Hard-Disk Business". Fuji Electric. April 27, 2011. Archived from the original on January 4, 2024.

gale.com

link.gale.com

Danish, Paul (July 19, 1983). "Amcodyne pioneers removable hard disk". Journal of Commerce and Commercial. 357. UBM Global Trade: 6A – via Gale.
Kovsky, Steven (May 30, 1988). "Executive exodus troubles Maxtor". Computer Systems News (368). UBM LLC: 1 et seq – via Gale.
Weisman, Jonathan (February 17, 1992). "Tiny disk drive may bring big payoff to Aura". The Business Journal. 9 (44). American City Business Journals: 1 et seq – via Gale.
Nash, Jim (March 28, 1994). "Avatar on crusade to revolutionize hard-disk drives". The Business Journal. 11 (50). American City Business Journals: 1 et seq – via Gale.
Furger, Roberta (October 1998). "Rebate or Rip-Off?". PC World. 16 (10). IDG Publications: 183 – via Gale.
Pitta, Julie (August 11, 1986). "CMI co-founder establishes Winchester drive start-up". Computer Systems News (276). UBM LLC: 22 – via Gale.
"Former Rodime team forms Calluna to make 80Mb 1.8[-inch] disk drives". Computergram International. GlobalData. December 19, 1992 – via Gale.
"Calluna's disk business finally grinds to a halt". The Herald. Newsquest Media Group: 24. August 31, 2001 – via Gale.
Kimbrough, Jan (September 28, 1987). "Cardiff Peripheral Corp touts 3.5-inch drive". Computer Systems News. 333. UBM LLC: 24 – via Gale.
"Company Formed to Market 5.25-Inch Winchesters". Computer Systems News. 114. UBM LLC: 68. February 28, 1983 – via Gale.
Moad, J. (May 27, 1985). "Cogito Shelves 20M-Byte Drive, Cuts Staff". Electronic News. 31 (1551). Sage Publications: 26 – via Gale.
Hayashi, Alden M. (November 15, 1988). "Hard times for hard drives". Electronic Business. 14 (22). Reed Business Information: 32 et seq – via Gale.
"Flash Prices Kill Cornice's Disk-Drive Plans". ExtremeTech.com. Ziff-Davis. February 26, 2007 – via Gale.
Doyle, Eric (July 1993). "Driving range". DEC User. EMAP Media: 19 – via Gale.
Love, N. (September 24, 1984). "Disc Tech One Inc. Is Acquired by Hearing Aid Manufacturer". Computer Systems News. UBM LLC: 75 – via Gale.
Perkowski, M. (December 12, 1983). "Disctron Exits 5.25[-inch] Winchester Disk Drive Fray". Computer Systems News (143). UBM LLC: 1 – via Gale.
Pitta, J. (August 12, 1985). "Shakeout Continues in Disk Market: DMA Systems Closes Doors after Failing to Land Funds". Computer Systems News (224). UBM LLC: 1 – via Gale.
Laughton, S. (September 3, 1985). "Western Digital Puts 20M-byte Disk on Board". PC Week. 2 (35). Ziff-Davis: 4 – via Gale.
"Magicstor to Launch Large Scale Manufacture of 1 Inch Hard Disk". Asia Africa Intelligence Wire. Financial Times Limited. July 24, 2003 – via Gale.
Brisson, M. (December 3, 1984). "Josephine's Conservative Approach Is Radical Among Start-Ups". Computer Systems News. UBM LLC: 30 – via Gale.
Martin, James A. (December 7, 1987). "Kalok KOs Winchester cost, shoots market prices down". Computerworld. 21 (49). CW Communications: 33 et seq – via Gale.
Hostetler, Michele (April 3, 1995). "Jugi Tandon starts disk drive firm with Kalok technology". The Business Journal. 12 (54). American City Business Journals: 7 – via Gale.
Lucas, Peter (January 18, 1988). "Irwin Magnetics buys into new markets for tape backup". Computer Reseller News (242). UBM LLC: 106 et seq – via Gale.
Kontzer, Tony (September 19, 1994). "Shareholders left out of arbitration award". The Business Journal. 12 (24). American City Business Journals: 1 et seq – via Gale.
Addo, Pamela (August 22, 1991). "Kyocera drops low-end, goes optical". Computer Dealer News. 7 (17). CEDROM-SNi: 1 et seq – via Gale.
Greenberg, Adam (November 2, 1987). "Kyocera takes over LaPine Drive mktg". Electronic News. 33 (1679). Sage Publications: 15 et seq – via Gale.
Moran, S. (April 15, 1984). "Public Spotlight: Microproduct Memories Inc". Electronic Business. 10 (5). Reed Business Information: 130 – via Gale.
Patterson, William Pat (September 15, 1986). "The seductive, risky world of computer peripherals". Industry Week. 230. Endeavor Business Media: 48 et seq – via Gale.
Aragon, Lawrence (January 11, 1993). "Microscience quits, lists 81 creditors". The Business Journal. 10 (39). American City Business Journals: 1 et seq – via Gale.
Aragon, Lawrence; Bill Snyder (November 29, 1993). "The New Guard". PC Week. 10 (47). Ziff-Davis: A1 et seq – via Gale.
"MiniStor prepares for Chapter 11". Electronic News. 41 (2060). Sage Publications: 50. April 10, 1995 – via Gale.
"NEC to end hard disk drive production". Australian PC World. IDG Communications: 18. January 2002 – via Gale.
"Peripherals: Access Times of 30 Milliseconds". What's New in Computing. UBM Information: 52. January 1984 – via Gale.
Feil, Stuart (August 4, 1986). "Hitachi, Fujitsu set to disband drive venture". Electronic News. 32. Sage Publications: 1 et seq – via Gale.
Lyons, Daniel J. (July 23, 1990). "Newcomer buys out defunct drive maker, plans market assault". PC Week. 7 (29). Ziff-Davis: 140 – via Gale.
Hostetler, Michele (May 8, 1995). "Failed drive firm sat on a gold mine". The Business Journal. 13 (3). American City Business Journals: 1 et seq – via Gale.
Takahashi, Ken (August 8, 1990). "Ricoh to boost output of removable HDD". Newsbytes. The Washington Post Company – via Gale.
Lasnier, Guy (June 20, 1988). "New Milpitas company jumps into disk drive market". The Business Journal. 6 (9). American City Business Journals: SR9 – via Gale.
"Sequel born in management buyout of Unisys disk unit". Computergram International (1323). GlobalData. December 8, 1989 – via Gale.
"Start-Up Funded by ITT Eyes Half-Height 5.25 Inch Winchester Fray". Computer Systems News (129). UBM LLC: 29. August 15, 1983 – via Gale.

harvard.edu

waywiser.fas.harvard.edu

"Electronic Memories and Magnetics Corporation". Collection of Historical Scientific Instruments. Harvard University. n.d.

ipsj.or.jp

museum.ipsj.or.jp

"Peripheral Equipment: Magnetic Disk Units". Historical Computers in Japan. IPSJ Computer Museum. n.d. Archived from the original on April 3, 2023.

ithistory.org

"HP 7910 Disc Drive". IT History Society. n.d. Archived from the original on January 10, 2024.

latimes.com

"Century Data to Acquire Colorado Disk Drive Firm". Los Angeles Times: 8. September 16, 1986. Archived from the original on January 10, 2024.
O'Dell, John (May 24, 1988). "Western Digital Bought Patent Problems When It Acquired Hard Disk Operation". Los Angeles Times: 14. Archived from the original on February 24, 2021.

newspapers.com

Gross, Steve (August 10, 1983). "3M says it plans to give up making disk-drive units". Star Tribune: 7B – via Newspapers.com.
"Stockholder Blessing on Anelex-Mohawk Data". The Boston Globe: 73. October 18, 1967 – via Newspapers.com.
"Raytheon nets $2.35 a share". The Boston Globe: 26. January 23, 1970 – via Newspapers.com.
"James Flynn Joins Computer Memory Devices". Arizona Republic: 20D. November 23, 1969 – via Newspapers.com.
"Firm expands computer line". Arizona Republic: 16-B. August 23, 1970 – via Newspapers.com.
"Data Disc Inc. names Stevens new president". The Peninsula Times Tribune: 11. April 21, 1969 – via Newspapers.com.
"DGI Group – An FKI Babcock Company". Camberley News (Advertisement): 68. August 19, 1988 – via Newspapers.com.
"GE Plant Is Installing High Speed Computer". The News-Virginian: 3. November 2, 1962.
"Data storage firm occupies new building". The Peninsula Times Tribune: 7. February 18, 1969 – via Newspapers.com.
"Acquisition enables Itel to enter new market". The Peninsula Times Tribune: 7. June 25, 1971 – via Newspapers.com.
"Sperry Rand acquires ISS". The Peninsula Times Tribune: 9. July 6, 1973 – via Newspapers.com.
"Around Minnesota". The Minneapolis Star: 10B. July 26, 1978 – via Gale.
"Tech firm may close Oregon plant". Albany Democrat-Herald: 6. September 6, 1984 – via Newspapers.com.
"Oregon firm gets job". The Sacramento Bee: B5. February 23, 1985 – via Newspapers.com.
"Data Corp. leaving Santa Clara". The San Francisco Examiner: 58. August 19, 1976 – via Newspapers.com.
Szuprowicz, Bohdan (June 19, 1984). "Microwinnies new disk storage stars". Citizen Register: 2D – via Newspapers.com.
"Prudential awarded judgement". South Florida Sun Sentinel: 7B. September 10, 1994 – via Newspapers.com.
Siddon, Dave (June 7, 1961). "Powerful New Computer". Valley Times: 19 – via Newspapers.com.
Sterling, Charles (May 26, 1968). "Business Scene". Independent Star-News: C-12 – via Newspapers.com.
"Marshall Unit Sold". Los Angeles Times: 56. February 28, 1969 – via Newspapers.com.
"NCR Business System Compact Hits Market". Dayton Daily News: 13. June 2, 1964 – via Newspapers.com.
"Disk drive trade axed". Horncastle Target: 6. December 15, 1988 – via Newspapers.com.
"Japan Firms to Link Up". The Tennessean: 21. August 14, 1973 – via Newspapers.com.
"Olivetti Distributor". The Daily Times: D1. May 26, 1982 – via Newspapers.com.
"John Taft Potter, 75, Inventor, Founded Computer Firm". Newsday: 43. January 28, 1987 – via Newspapers.com.
Ryan, Melinda (September 28, 1986). "Peripheral Technology Inc. relocates facility". Simi Valley Star: 23 – via Newspapers.com.
"CCT Completes Merger". Goleta Sun: 12. August 11, 1982 – via Newspapers.com.
Ross-Dove Company, Inc. (November 10, 1991). "Public Auction Calendar". The San Francisco Examiner: 28 – via Newspapers.com.
"Melbourne's Florida Data names new president". Florida Today: 14C. July 17, 1982 – via Newspapers.com.

opencorporates.com

"Comport Corporation". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Computer Memory Devices, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Data-Tech Memories, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Josephine County Technology, Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Peripheral Technology Inc". OpenCorporates. n.d. Archived from the original on January 10, 2024.
"Tulin Corporation". OpenCorporates. n.d. Archived from the original on January 10, 2024.

proquest.com

"Xebec Completes Acquisition". The Wall Street Journal. Dow Jones & Company: 1. April 4, 1984 – via ProQuest.
Day, Janet (November 6, 1990). "3 From PrairieTek Found New Computer Firm". Denver Post: C1 – via ProQuest.
Potter, Beth (June 1, 1998). "Integral sold to investor group". Boulder County Business Report. 17 (6). Boulder Business Information: 1 – via ProQuest.
Kaufman, Steve (March 1, 1985). "Xebec Attempting to Chart a Course Back to Recovery". Morning Call: B10 – via ProQuest.

storagenewsletter.com

Maleval, Jean-Jacques (March 28, 2013). "History: List of 221 Companies in HDD Manufacturing Since 1956". Computer Data Storage Newsletter. Micro-Journal. Archived from the original on March 31, 2013.
Maleval, Jean Jacques (June 1993). "Ecol. 2 Out of Business". Computer Data Storage Newsletter. Micro-Journal. Archived from the original on January 10, 2024.
Maleval, Jean Jacques (August 28, 2023). "Showa Denko to Buy Disk Media Business of Competitor MCC". Computer Data Storage Newsletter (178). Micro-Journal. Archived from the original on January 10, 2024.

web.archive.org

Maleval, Jean-Jacques (March 28, 2013). "History: List of 221 Companies in HDD Manufacturing Since 1956". Computer Data Storage Newsletter. Micro-Journal. Archived from the original on March 31, 2013.
Frauenheim, Ed (June 30, 2004). "Minidrive maker Cornice slapped with another suit". CNET. CBS Interactive. Archived from the original on August 15, 2022.
Comstock, George E. (August 13, 2003). Hendrie, Gardner (ed.). "Oral History of George Comstock" (PDF). Mountain View, California, USA: Computer History Museum. CHM X2727.2004. Archived (PDF) from the original on March 23, 2017. Retrieved March 23, 2017.
Maleval, Jean Jacques (June 1993). "Ecol. 2 Out of Business". Computer Data Storage Newsletter. Micro-Journal. Archived from the original on January 10, 2024.
"Notice Regarding Structural Reform of the Hard-Disk Business". Fuji Electric. April 27, 2011. Archived from the original on January 4, 2024.
"Peripheral Equipment: Magnetic Disk Units". Historical Computers in Japan. IPSJ Computer Museum. n.d. Archived from the original on April 3, 2023.
Mearian, Lucas (February 17, 2009). "Why Toshiba is buying Fujitsu's HDD business". Computerworld. IDG Communications. Archived from the original on January 10, 2024.
"HP 7910 Disc Drive". IT History Society. n.d. Archived from the original on January 10, 2024.
"HP shuts down disk drive division". CNET. CBS Interactive. July 10, 1996. Archived from the original on August 18, 2022.
Maleval, Jean Jacques (August 28, 2023). "Showa Denko to Buy Disk Media Business of Competitor MCC". Computer Data Storage Newsletter (178). Micro-Journal. Archived from the original on January 10, 2024.
Ribeiro, John (December 20, 2011). "Seagate completes acquisition of Samsung's HDD business". Computerworld. IDG Communications. Archived from the original on January 10, 2024.
O'Dell, John (May 24, 1988). "Western Digital Bought Patent Problems When It Acquired Hard Disk Operation". Los Angeles Times: 14. Archived from the original on February 24, 2021.