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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11SK hynix’s accelerated milestone is the first cleanroom at its Yongin Y1 fab, now targeted for February 2027 instead of May 2027. Two additional projects announced on August 7, 2026—Yongin Y2 and Cheongju M17—have later, separate schedules: June 2029 and December 2028, respectively. The company says the two new fabs represent about KRW 54 trillion in planned investment, with equipment installation and capacity deployment to be phased in line with demand.
Which SK hynix fab timeline was accelerated?
The acceleration applies to Yongin Y1, the first fab in the Yongin Semiconductor Cluster. On February 25, 2026, SK hynix moved its target for Y1’s first cleanroom from May 2027 to February 2027. The company said the additional investment for the first-fab facility was approximately KRW 21.6 trillion, bringing the stated investment total for that first fab to about KRW 31 trillion. SK hynix’s February 2026 announcement describes the schedule change.
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The later announcement did not say that Y2 or M17 had been moved forward from earlier dates. It introduced those projects with their own target dates. Calling all three schedules “accelerated” would conflate Y1’s explicit change with the newer fabs’ timelines.
When are Yongin Y2 and Cheongju M17 expected?
SK hynix announced the two projects on August 7, 2026. Their announced investment amounts and milestones differ:
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| Fab | Planned role | Announced investment | Groundbreaking target | First-cleanroom target |
|---|---|---|---|---|
| Yongin Y2 | DRAM, including HBM and next-generation DRAM | Approximately KRW 35.2 trillion | July 2027 | June 2029 |
| Cheongju M17 | NAND | Approximately KRW 19.1 trillion | February 2027 | December 2028 |
The investment figures total approximately KRW 54 trillion. These are SK hynix’s announced plans and target dates, not independently verified construction or production milestones. The company’s August 7, 2026 announcement says cleanroom expansion and equipment installation will be staged in line with market demand. A first-cleanroom date therefore does not mean the fab will immediately be fully equipped or operating at full capacity.
Why is SK hynix investing in more memory capacity?
SK hynix’s stated rationale is that AI data-center growth is increasing demand for advanced memory and that demand is outpacing supply. The company says HBM requires more wafers than conventional DRAM to produce the same memory capacity, adding to production-resource needs. It links NAND demand to enterprise SSDs and storage for AI inference key-value cache. These are the company’s explanations for the investment, not an independently measured supply balance.
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To quantify the opportunity, SK hynix’s 2026 strategy explainer attributes two projections to outside organizations. Both are forecasts, not realized results:
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- AI data-center investment: Nomura Securities projects growth from USD 466 billion in 2025 to USD 3.379 trillion in 2030. SK hynix describes this as about 7.2-fold growth and an approximately 48% CAGR.
The projections and the company’s broader investment context appear in its June 29, 2026 mid-to-long-term strategy explainer. They help explain the company’s planning rationale but do not guarantee that demand, construction schedules or future production will match the projections.
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How do the new fabs fit into SK hynix’s wider plans?
The August announcement’s KRW 54 trillion covers Y2 and M17; it is not the same as the company’s larger, long-range cluster plans. In a June 2026 strategy explainer, SK hynix described a phased KRW 1,100 trillion plan comprising KRW 600 trillion for Yongin, KRW 100 trillion for Cheongju and KRW 400 trillion for a Southwestern Region cluster. The company says specific plans and timing depend on market demand and staged approvals, so this is not one near-term construction contract.
SK hynix says it aims to complete construction of the fourth Yongin cluster fab by 2033, compared with an original 2045 target. The 2033 milestone refers to that fab’s first cleanroom—not completion of every cleanroom, equipment installation or all planned investment. The company says those later phases will be paced according to demand. Its June strategy document also says the Southwestern Region site had not yet been specifically selected.
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What the schedule means for AI memory supply
The plans are evidence that SK hynix intends to build more DRAM and NAND capacity in response to its view of AI-related demand. They do not establish when usable production volume will reach customers or how much supply each fab will ultimately deliver. Groundbreaking, a first cleanroom, equipment installation and a production ramp are distinct stages; only the first two have specific targets in the August announcement.
The company’s announcement followed a board meeting and includes a forward-looking-statement qualification that future outcomes may differ from plans. The announced dates should therefore be read as company targets, not guarantees of permits, completed utilities, final production volumes or commercial output by a particular date.
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