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Micron Raises U.S. Investment Above $250 Billion and Accelerates Clay Megafab Build

Micron says the increase will secure wafer supply for U.S. fabs to help address a multi‑year AI-driven DRAM shortage.

Overview

  • Micron poured first concrete at its Clay, New York megafab more than three months ahead of schedule, a construction milestone announced this week that starts vertical work on the campus.
  • The company formally raised its planned U.S. manufacturing and R&D spending to more than $250 billion through 2035 and set a goal of producing 40% of its DRAM on U.S. soil.
  • Micron committed up to $3 billion to shore up the domestic supply chain, including a $500 million position in GlobalWafersSherman, Texas 300 mm plant and a 10‑year wafer‑access agreement.
  • The expansion follows record financial results and heavy AI demand that have driven unprecedented margins and prompted Micron to sign long‑term supply deals with major customers through 2030.
  • The buildout faces multi‑year lead times and execution risks — equipment delivery, yield ramps and competitor capacity — and Micron’s new plants (Idaho first output mid‑2027; Clay not expected to ship until around 2030) mean tight DRAM supply may persist for years.