# Micron HBM4 Ramps Fast as AI Demand Surges

> Micron's HBM4 sales surge and AI-driven memory demand boost profits amid tight supply.
- Title: Micron HBM4 Ramps Fast as AI Demand Surges | Shortify
- Summary: Micron's HBM4 sales surge and AI-driven memory demand boost profits amid tight supply. HBM4 demand growth and AI infrastructure are driving Micron's…
- Keywords: micron, hbm4, ai infrastructure, data center, nand pricing, drum, semiconductor, memory cycle, strategic customer agreements, fiscal q3, fiscal q4, Ramps
- Source: Alphastreet - Earnings Decoded. Market Intelligence Delivered — https://news.alphastreet.com/micron-mu-hbm-demand-and-nand-pricing-define-the-memory-cycle-test
- Author: Newsdesk
- Published: 2026-09-25T13:30:40+00:00
- Read time: 1 min
- Topics: micron, hbm4, ai infrastructure, data center, nand pricing, drum, semiconductor, memory cycle, strategic customer agreements, fiscal q3, fiscal q4
## Q3 Profit Surge
Micron reported $41.46 billion revenue for fiscal Q3 2026, up 74% sequentially and 346% year over year.
## AI Memory Boom
Data center memory revenue exceeded $25 billion in Q3, with AI infrastructure driving demand at an annualized rate of over $100 billion.
## HBM4 Acceleration
HBM4 12-high volume ramp is twice as fast as HBM3E, with over $1 billion in HBM4 revenue shipped.
## NAND Pricing Strength
NAND average selling prices rose in the mid-80% range, supporting overall margins despite DRAM's 76% revenue share.
## Strategic Agreements
16 signed strategic customer agreements cover 20% of DRAM volume and one-third of NAND volume over the agreement period.
## Q4 Guidance
Micron guides for $50 billion revenue and 86% gross margin in fiscal Q4, testing demand durability and capex discipline.
## Key takeaway

HBM4 demand growth and AI infrastructure are driving Micron's high-margin memory cycle.