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Seagate Technology Acquisition Buzz: Could TDK Supercharge Its HAMR Advantage?

Seagate Technology has emerged as a potential buyer of TDK’s hard-drive magnetic-heads business, a transaction that could materially alter the supply structure behind high-capacity storage. According to the latest report, Seagate is competing with Toshiba for the TDK unit after reportedly submitting a higher offer during the summer, with a potential transaction carrying a multibillion-dollar valuation. The timing is notable because magnetic heads are becoming increasingly important as hard-drive manufacturers respond to rising cloud and artificial-intelligence storage demand. Although Seagate already manufactures heads internally, it also relies on TDK when demand exceeds internal availability, making the target strategically relevant rather than simply additive. The reported interest also comes as Seagate scales its HAMR-based Mozaic platform, pushes toward higher areal density and enters fiscal 2027 with nearline capacity largely allocated well into 2028. Against that backdrop, owning additional magnetic-head manufacturing capabilities could provide several operating and strategic advantages.