Jukan: Samsung Plans to Upgrade Pyeongtaek P5 Wafer Plant to a Three-Layer Structure, Creating the World's Largest Semiconductor Factory at a Single Site
律动BlockBeats|Aug 19, 2026 10:14
BlockBeats News, August 19, Citrini analyst Jukan cited reports from Korean media stating that Samsung Electronics plans to adjust the design of the Pyeongtaek P5 wafer plant currently under construction in South Korea, upgrading the originally planned two-layer facility to a three-layer structure. This adjustment involves Pyeongtaek P5 Plant 1 and Plant 2, which will together form the world's largest semiconductor manufacturing base at a single site.
The project began construction in 2022 and is expected to be completed by 2030. During peak construction periods, approximately 50,000 workers were involved. Previously, Samsung's Pyeongtaek campus, including P4 and earlier plants, adopted a "dual wafer plant" layout, with each building containing four cleanrooms. If the P5 three-layer design plan is approved, it will adopt a "triple wafer plant" structure, accommodating up to six cleanrooms.
Under this plan, the number of cleanrooms in P5 will increase by approximately 50%, and overall production capacity is expected to increase by at least 50%. In the future, new wafer plants built by Samsung Electronics and SK Hynix in the Yongin Semiconductor Industrial Complex may also adopt similar three-layer wafer plant designs.
Industry experts believe that Samsung's expansion of advanced manufacturing facilities reflects the accelerating growth of storage and advanced process capacity amid rising global demand for AI chips.
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