Breaking

Reported Seagate-Toshiba Contest Over TDK HDD Heads Puts AI Storage Supply Chain in Play

October 7, 2026 at 23:30 EDT

Infra & Chips
Funding & M&A
Manufacturing

Seagate Technology Holdings Plc and Toshiba Corp. are reportedly competing to buy TDK Corp.'s hard-disk-drive magnetic-head business, a component line that has become strategically important as AI data centers consume more high-capacity storage. The talks are not final: TDK said the reports were not based on a company announcement and that no decision has been made.

Oct. 6, 2026 | TDK HDD heads

AI storage's tiny bottleneck

A reported contest between Seagate and Toshiba centers on TDK's HDD magnetic-head business, the only independent source for a component needed to scale high-capacity hard drives.

2026 HDD share is already concentrated

Projected bit-shipment share by maker.

48%Western Digital

42%Seagate

10%Toshiba

The two largest HDD makers together represent 90% of projected bit shipments, raising the stakes around the neutral head supplier.

Several $B

possible transaction value

reported bidders

Toshiba nearline target by FY2027

20,000 EB

global storage demand forecast for 2029

Why the head unit matters

AI workloads

Nearline HDD demand

Head supply bottleneck

Bids and scrutiny

Supply security

A buyer could lock in components for high-capacity roadmaps as AI data centers keep stretching supply.

Competition risk

Competitors may worry about allocation, pricing and review if one HDD maker owns the only independent head source.

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