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SK Hynix to Build $51 Billion NAND Chip Plant by 2029

SK Hynix will spend 80 trillion won on a new NAND fab and 20 trillion won on a packaging plant in Cheongju, betting the AI…

SK Hynix, the South Korean chipmaker that ranks among the world's largest producers of memory semiconductors, announced on Thursday a plan to invest 80 trillion won (about $51.46 billion) in a new NAND flash factory as it races to keep pace with demand tied to the artificial intelligence buildout. The announcement, made at an event in Cheongju attended by CEO Kwak Noh-jung and South Korean President Lee Jae Myung, marks one of the company's largest single capital commitments in years.

The M17 Fab and What 80 Trillion Won Buys

The new facility, designated M17, will rise in Cheongju, the same South Korean city where SK Hynix already runs significant production capacity. Construction is set to begin next year, with the factory aimed squarely at NAND memory output, the chip category used for long term data storage in everything from smartphones to enterprise servers. NAND has lagged behind DRAM in recent investment cycles, but the AI infrastructure boom has tightened supply across both categories, and SK Hynix is now directing capital toward the segment it had been under building relative to peers.

Beyond the fab itself, the company disclosed a separate 20 trillion won outlay for a chip packaging plant, also in Cheongju, targeted for completion by late 2027. Packaging has become a bottleneck of its own in advanced memory production, particularly for high bandwidth memory used in AI accelerators, so pairing new wafer fabrication with new packaging capacity signals SK Hynix is trying to close gaps at multiple stages of its supply chain rather than just adding raw output.

1,554.6 won to the dollar is the exchange rate used in the company's disclosure, putting the combined spending across both projects at roughly $64.3 billion when converted. That figure lands at a moment when memory chip makers globally are weighing how much of the AI driven demand surge is structural versus cyclical, and how quickly to commit capital against it.

Semiconductor factory clean room

Why NAND Supply Has Turned Into a Bottleneck

2029 is the target completion year for M17, a timeline that underscores how far out chipmakers are now planning to meet demand they expect to persist rather than spike and fade. The AI boom has driven a shortage of memory chips broadly, with data center operators and AI hardware makers competing for both DRAM and NAND capacity that was not built with this scale of demand in mind. SK Hynix's decision to commit five years of construction lead time suggests the company views current shortages as durable enough to justify a fab of this scale, rather than something addressable through incremental capacity additions at existing lines.

Server data center racks

The involvement of President Lee Jae Myung at the announcement event also points to the strategic weight South Korea places on its semiconductor industry, which remains a major export pillar for the country. SK Hynix's move follows a broader pattern among global memory producers reassessing capital plans as AI workloads reshape which chip types are in tightest supply, with NAND now drawing fresh investment attention after years in which DRAM and high bandwidth memory dominated the spending conversation.