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SK hynix accelerates equipment move-in at M15X fab by two months to lead HBM competition
Monday, March 23, 2026 at 09:48 PM
SK hynix is accelerating its production timeline by moving up the equipment installation at its M15X fab in Cheongju by two months. This strategic acceleration aims to secure a dominant position in the High Bandwidth Memory (HBM) market as competition intensifies.
Context
On March 23, 2026, SK Hynix announced it has pulled forward the equipment move-in for the second cleanroom at its M15X fab in Cheongju by two months. Originally scheduled for May, the installation began in March 2026 to accelerate the production of HBM4 and high-capacity DRAM. This move is a strategic response to surging demand from Nvidia for its next-generation Rubin AI platform. With the first cleanroom having already begun wafer input in February 2026, the facility is now entering its final preparation stage for full-scale operations.
The M15X plant represents a 20 trillion won ($14.6 billion) investment designed to solidify SK Hynix's leadership in the AI memory market. Once fully operational, the fab is expected to add up to 90,000 wafers per month to the company's total production capacity. By accelerating this timeline, SK Hynix aims to preemptively secure a 70% market share in the HBM4 segment while defending its position against rivals like Samsung Electronics and Micron ahead of the completion of the Yongin Semiconductor Cluster in 2027.
Sources (7)
2026 Market Outlook: SK hynix’s HBM to Fuel AI Memory BoomSK Hynix M15X completion expected by end of 2025SK Hynix to Launch M15X Fab in May 2026, Cementing Global AI Chip Leadership - Seoul Economic Daily'SK Hynix Pulled Off Two Months Of Bringing In M15X Factory Equipment... HBM Competition Winner' - Donga - (HXSCL), Micron Technology (NASDAQ:MU)How SK Hynix Redefined the Memory Market - EE TimesSK Hynix to start M15X fab production 4 month earlier than planned - THE ELEC, Korea Electronics Industry MediaSK Hynix Accelerates M15X Facility Ramp-up to Secure HBM Leadership — BigGo Finance
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