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Quantum was founded in 1980 as Quantum Corp. By 1984, it led the market for mid-capacity 5.25-inch drives. That year, a subsidiary was launched called Plus Development to focus on the development of hardcards. Plus Development became a successful designer of 3.5-inch drives with Matsushita Kotobuki Electronics (now Panasonic ) as the contract manufacturer. By 1989, Quantum led the compact drive market.
The company had 11 new models of 3.5-inch and 2.5-inch drives, and had signed distribution agreements with Rein Elektronik in Germany and Inelco Peripheriques in France. It also merged its subsidiary Plus Development Corporation into its Commercial Products Division.
Quantum was the largest drive producer worldwide in 1994.
In 2000, Maxtor agreed to acquire Quantum's hard disk drive group. In 2004, Quantum became a member of the LTO Consortium after acquiring Certance.
In 2012, Quantum announced Q-Cloud, which combines on-premise storage with cloud storage. In 2015, the company released a multi-tier storage product, StorNext 5.3, which supports Q-Cloud and powers the company's Xcellis workflow storage technology.
In 2018, Jamie Lerner became CEO, and Quantum shifted focus from hard drives/tape to providing data storage, management, and protection for video and other unstructured data.
In 2019, the company added a subscription for cloud-based device management and product, called Distributed Cloud Services.
In 2020-2021 Quantum acquired technology to support the shift in focus including ActiveScale and CatDV. They also acquired video surveillance software from Pivot3.
During the COVID-19 pandemic, Quantum was a recipient of a government loan of US$10 million as part of the Paycheck Protection Program (PPP).
In October 2021, Quantum and IBM announced they would work together to develop LTO-10, the next generation of Linear Tape-Open (LTO) technology.
In April 2023, Quantum announced a new scale-out unstructured data storage platform called Myriad. The solution is software-defined, initially running on Quantum-supplied hardware but capable of running on public cloud infrastructure.
Acquisitions
1998 – ATL Products, a manufacturer of automated tape libraries.
1999 – Meridian Data, a network-attached storage supplier.
2001 – M4 Data (Holdings) Ltd., a manufacturer of tape libraries.
2002 – Benchmark Storage Innovations, who manufactured the VStape product line under a Quantum license.
2005 – Certance, the former tape business of Seagate Technology, becoming a member of the LTO consortium.
2006 – Advanced Digital Information Corporation (ADIC), Scalar brand tape libraries, StorNext filesystem and de-duplication technology.
2011 – Pancetera Software, a specialist in data management and protection for virtual environments, for $12 million.
2020 – ActiveScale object storage business acquired from Western Digital.
2020 – UK-based Square Box Systems Ltd, maker of CatDV and a specialist in data cataloging, user collaboration, and digital asset management software.
2021 – Video surveillance assets from Pivot3, a hyperconverged infrastructure company.
2021 – EnCloudEn, a hyperconverged infrastructure (HCI) software company.