TLDR
- Western Digital stock drops 11.07% as Toshiba expands HDD production capacity.
- Toshiba plans a $380M investment to double Philippine HDD output by 2027.
- Toshiba targets 30% HDD capacity share from just over 10% currently.
- AI data centers are increasing demand for cheaper high-capacity HDD storage.
- Western Digital relies heavily on cloud customers for its growing HDD revenue.
Western Digital Corporation stock fell 11.07% to $411.33 on Friday as Toshiba outlined a major HDD production expansion. The planned investment increases competitive pressure across the fast-growing data-center storage market. Toshiba wants to strengthen its position as artificial intelligence workloads drive demand for high-capacity hard drives.
Western Digital Corporation, WDC
Toshiba Plans Major HDD Capacity Expansion
Toshiba plans to invest about 60 billion yen, or $380 million, to expand HDD production in the Philippines. The project would double production capacity by fiscal 2027 and mark Toshiba’s largest HDD investment in five years. The company also plans to produce drives offering as much as 40% more storage capacity.
Toshiba currently holds just over 10% of the HDD market when measured by storage capacity. The company aims to raise that share to 30% over the medium term. That target could increase competition for Western Digital and Seagate across large enterprise storage contracts.
Western Digital and Seagate each control more than 40% of the worldwide HDD market, according to industry estimates. Toshiba holds roughly 17% when market share is measured through unit shipments. Its planned expansion could narrow the capacity gap between the three major HDD suppliers.
Western Digital Faces Stronger Data Center Competition
Western Digital now focuses heavily on hard drives following its separation from SanDisk. That structure leaves the company more exposed to changes in enterprise storage demand and HDD pricing. Toshiba’s expansion therefore creates a direct competitive challenge within Western Digital’s core business.
Western Digital generated $3.75 billion in fiscal fourth-quarter revenue, representing 44% annual growth. Cloud customers accounted for 89% of total sales during the period. That contribution placed cloud revenue near $3.3 billion as demand for large-capacity drives remained strong.
High-capacity enterprise drives have become increasingly important as data centers expand artificial intelligence infrastructure. Operators need large storage systems for training data, system logs, backups, and inference outputs. HDD manufacturers have benefited because these workloads often require inexpensive storage rather than the fastest possible access.
AI Storage Demand Supports Long-Term HDD Growth
Artificial intelligence continues to increase the amount of information created and stored across global data centers. IDC estimates annual worldwide data generation could reach 718 zettabytes by 2030. That level would represent about four times the amount of data generated during 2024.
HDDs could store around 60% of that future data because their cost remains significantly below solid-state storage. SSDs currently cost roughly 20 times more than HDDs for comparable storage capacity. Tight memory supplies have also increased demand for conventional hard-drive storage.
Toshiba plans to pursue 65-terabyte-class drives by 2030 and eventually develop 100-terabyte-class products. The company also intends to automate inspection and clean-room processes at its expanded Philippines facility. Those changes could reduce additional staffing needs by around 40% while supporting higher production volumes.
Western Digital shares fell $51.23 during Friday trading as the Toshiba report weighed on the HDD sector. Seagate shares also declined as the market assessed potential changes in industry supply and competition. Toshiba’s capacity expansion now adds another factor to a storage market already benefiting from rising AI demand.
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