Seagate Technology Holdings PLC (Seagate) is a data storage technology and infrastructure solutions provider. It is involved in designing and manufacturing hard disk drives (HDD). It also manufactures data storage products including solid state drives (SSD) and storage subsystems. The company’s major products are HDD, solid-state drives, Serial Attached SCSI (SAS), NonVolatile Memory Express (NVMe), and Serial Advanced Technology Attachment (SATA) controllers. The company also provides services such as cloud services, data analytics services, data protection services, high-performance computing (HPC), video analytics, data migration, and data transfer services.

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Seagate's R&D arm focuses on the development of storage solutions and other innovative technology solutions to support emerging applications in data use and storage. The company aims to develop magnetic recording technologies and conduct research on adjacent technologies necessary for the development of high-availability storage products. The company's HAMR based Mozaic platform focuses to increase higher capacity hard drive storage products and extend its areal density leadership. As of June 2025, it had a portfolio of 3,273 US patents and 243 issued patents in overseas and approximately 221 US and 38 foreign patent applications pending. In FY2025, the company incurred an expenditure of US$724 million on R&D, which as a percentage of revenue, stood at 7.9%.