Capacity milestoneapprovedMay 22, 2026
Micron Technology
1-alpha DRAM manufacturing starts in Manassas
Micron began manufacturing 1-alpha DRAM in Manassas, Virginia, introducing the most advanced memory technology yet produced in the United States.
Micron started 1-alpha DRAM manufacturing at its Manassas fab to supply long-lifecycle DDR4 and LP4 products used in automotive, defense, aerospace, industrial, networking, and medical applications. The more than $2 billion modernization is designed to quadruple DDR4 wafer supply at the site, with qualified 1-alpha production expected by the end of 2026.
Headline metrics
| Investment | $2B+ | |
| DDR4 supply | 4x | planned Manassas wafer output |
| Qualification | End of 2026 | target for qualified 1-alpha production |
Highlights
- U.S. technology firstMicron calls 1-alpha the most advanced memory technology manufactured in the United States.
- Long-lifecycle supplyTargets DDR4 and LP4 demand in defense, aerospace, automotive, industrial, networking, and medical markets.
- Domestic scale-upThe expansion is intended to quadruple DDR4 wafer supply from Manassas.
Resources
- Micron manufacturing announcementinvestors.micron.com
- Micron Virginia expansion overviewmicron.com