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Micron just hit the construction button
Micron has started expanding its Hiroshima Prefecture plant in Japan, turning an already-important DRAM site into a bigger weapon in the AI memory arms race. The company says it plans to pour about $9.3 billion into the project, with Japan’s government kicking in roughly $3.3 billion in subsidies. Not exactly pocket change.
Why this matters
If you’re wondering why memory makers keep acting like they’re in a land grab, it’s because they basically are. AI models are hungry, and they eat memory like a teenager at an all-you-can-eat buffet. Micron’s DRAM is used in everything from servers to laptops to phones, so more production capacity can mean more supply, more sales potential, and more leverage in a market where demand can get very spicy very fast.
Japan wants in on the action
Micron CEO Sanjay Mehrotra showed up for the groundbreaking alongside Japanese officials, which tells you this isn’t just a company project — it’s also a strategic industrial-policy flex. Tokyo is making a point of backing domestic semiconductor capacity, and Micron is turning that support into a larger manufacturing footprint.
- Equipment installation is slated to begin in the first half of 2028.
- The site currently produces DRAM semiconductors.
- Micron acquired the facility back in 2013 through its Elpida Memory purchase.
The bigger chip chessboard
This is part of Micron’s broader factory blitz. The company is also building out huge U.S. projects, including a massive New York production site and another Idaho fab, all aimed at meeting long-term AI and memory demand. The headline here isn’t just “new factory.” It’s that Micron is spending like a company that thinks the AI boom still has legs.
Big picture: when a chipmaker commits this much cash to new capacity, it’s usually not because it’s bored. It’s because it thinks the demand curve is still pointing up.