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SK Group Chairman Eyes Joint NAND Production With Kioxia

Chey Tae-won identifies strategic cooperation as a viable path to optimize memory manufacturing and R&D.

TechNewsReel Newsroom · September 3, 2026

SK Group Chairman Chey Tae-won has indicated that joint production with Kioxia is a viable option for cooperation. The move suggests a potential strategic pivot in the NAND flash memory sector to optimize manufacturing and technology sharing.

In a recent interview with Japan's Asahi Shimbun, Chey stated that joint production represents "one option" for the two companies to work together. Beyond shared manufacturing, the Chairman noted that potential areas of cooperation could extend to joint research and development (R&D) and the sharing of supply-chain resources. This openness to collaboration comes as the industry faces increasing pressure to maintain efficiency amid volatile demand.

The Strategic Backdrop

SK hynix and Kioxia are both dominant forces in the global memory market, and their relationship is already linked through complex financial ties. SK hynix currently holds an indirect investment in Kioxia via convertible bonds issued by a special purpose company affiliated with Bain Capital.

This existing financial connection provides a foundation for deeper operational ties. In the memory industry, the barriers to entry and expansion are exceptionally high, primarily due to the astronomical costs associated with constructing new fabrication plants (fabs). Furthermore, the race to advance 3D NAND stacking—the process of layering memory cells vertically to increase density—requires massive capital expenditure and constant technical breakthroughs.

Market Implications

A formal joint production agreement between SK and Kioxia could significantly shift the competitive landscape of the NAND market. By pooling R&D resources and manufacturing efficiencies, the two firms could create a formidable bloc capable of challenging the market dominance of Samsung and Micron.

Shared production would allow both companies to mitigate the risks of overcapacity and reduce the individual financial burden of upgrading facilities. In a sector where timing and scale are everything, a strategic alliance could accelerate the deployment of next-generation NAND technology, potentially lowering costs for end-users while increasing the combined market share of the partners.

Future Outlook

While Chairman Chey has framed joint production as an option, the specific terms of any future agreement remain unconfirmed. Industry observers will be watching for formal announcements regarding the conversion of SK hynix's bonds or the signing of a memorandum of understanding (MoU) that outlines a concrete roadmap for shared facilities.

Whether this leads to a full-scale joint venture or a more limited technical partnership, the signal from the top of SK Group indicates a willingness to prioritize strategic flexibility over independent growth in the face of intensifying global competition.

Sources

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