Seagate and Toshiba Compete for TDK's Hard Drive Head Business Amid AI Demand

Seagate Technology Holdings and Toshiba Corporation are in a bidding war for TDK's hard drive head business, a critical component for the rapidly growing AI data center storage market. The deal, which could be worth billions of dollars, could reshape the competitive landscape.

Sources indicate that Toshiba initiated acquisition talks with TDK in the spring, but Seagate submitted a higher offer over the summer. TDK is the sole independent manufacturer of the read-write heads used in hard disk drives, making it a vital supplier to the industry. The company supplies these heads to both Seagate and Western Digital, as well as Toshiba.

Securing TDK's head business would provide a significant advantage in the hard drive supply chain. While Seagate and Western Digital can produce some heads in-house, they rely on TDK during periods of high demand. Toshiba is entirely dependent on TDK for these components, which are essential for its plans to produce high-capacity HAMR (Heat-Assisted Magnetic Recording) drives and close the gap with competitors.

The acquisition could have substantial implications for the AI data center storage market, where demand for traditional hard drives has surged. The winning bidder would gain considerable pricing power and the ability to influence competitors' expansion plans. Both potential buyers are concerned about losing access to an independent supplier if the deal falters.

TDK is considering selling the division due to its consistently low profitability and the ongoing need for significant research and development investment to keep pace with technological advancements. The company aims to reallocate resources to focus on more promising areas such as batteries, passive components, and sensors, where it sees greater AI-related growth potential.