Micron now has an 88% margin on consumer memory

An 88% gross margin on consumer memory is not a demand story — it is a supply story. The AI compute arms race has created a structural vacuum: HBM and server DRAM are cannibalizing the best wafer capacity, leaving consumer-grade DRAM and NAND in a state of engineered scarcity. Micron, as the sole US-based DRAM manufacturer, holds strategic autonomy in capacity allocation that neither Samsung nor SK Hynix can replicate. This is a pricing-power moat, not a product moat. Competitively, Samsung is unlikely to follow on pricing. Its memory and foundry businesses create internal hedging, and its packaging dependence on Taiwan, China gives it greater cost flexibility in the consumer segment. SK Hynix is locked into long-term HBM supply contracts with NVIDIA, leaving it no bandwidth to wage a consumer price war. Micron is exploiting an oligopolistic window. But 88% is a cycle peak, not a new normal. Within 12–24 months, Samsung's Pingshan P4/P5 ramp and Micron's Idaho fab commissioning will release consumer-grade supply. The real long-tail effect: AI's consumption of memory has shifted from incremental growth to structural displacement. The consumer memory margin floor has permanently risen from the 15–20% range of 2022–2023 to a 40–55% band. The floor is higher; the ceiling will come back down.