Direct:
Samsung has moved the groundbreaking on P5 Fab 2, the final production line at the Pyeongtaek campus, from early 2027 to July 2026. That is roughly a six-month pull-forward on the largest single fab project in memory, and it is the second acceleration at the site this year. February's news was the cleanroom and piping schedule for the first P5 line getting yanked forward under Samsung's “Shell First” strategy. May's news is the second line of the twin-fab getting the same treatment before the first one is even finished.
The numbers behind this are not subtle. Per Seoul Economic Daily, the combined investment in the P5 and P5-2 twin-fab pair exceeds 160 trillion won. P5-2 is being built as a structurally identical copy of P5-1, specifically so Samsung can skip customer requalification and start mass-supplying AI accelerator customers as soon as the line comes up. Combined output target when both lines run is around 600,000 wafers per month across HBM, DRAM, NAND, and foundry, capable of flexing between products as the market shifts. Mass production for P5-1 is targeted for late 2028. P5-2 will follow, with operations beginning in 2029 at the earliest and possibly extending into 2030 per Maeil Business reporting.
That timing gap is the actual story. None of this capacity helps anyone in 2026 or 2027. Korean trade press and SemiWiki coverage citing Hyundai Motor Securities both put new Korean fab capacity online no earlier than 2H 2027, against industry estimates that combined supplier output meets only about 60% of forecast 2027 demand. TrendForce projects PC DRAM contract prices rising 58 to 63% in Q2 2026 alone, on top of last year's run. Adata is publicly guiding DRAM and NAND prices up another 40% over the same quarter.
For anyone shopping consumer SSDs or system memory: the supply gap that drove the current price surge is being acknowledged by the suppliers themselves through these accelerations, but acknowledgment is not relief. The fabs being broken ground today produce wafers in 2028 at the earliest, and the second twin closer to 2029-2030. Plan accordingly.
Sources:
- DigiTimes, “Samsung accelerates Pyeongtaek fab expansion as memory supercycle builds” (May 9, 2026, headline and lede only, paywalled)
- KED Global, “Samsung to advance mega-fab expansion by 6 months” (May 7, 2026)
- Seoul Economic Daily / AI PRISM, “Samsung to Invest 160 Trillion Won in P5 Twin Fab” (April 23, 2026)
- TrendForce, Q2 2026 DRAM contract pricing outlook (March 31, 2026); Adata Q2 2026 guidance via DigiTimes (May 7, 2026)
- SemiWiki forum analysis citing Hyundai Motor Securities and Korea JoongAng Daily on Korean fab capacity timing (April 2026)
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