The central risk is classic memory mean-reversion arriving while Micron is carrying a large fixed-cost (depreciation) base from peak buildouts. The second-order risks are (i) losing premium-segment relevance (
HBM/packaging throughput) to Samsung/SK, (ii) customer bargaining power increasing once dual-sourcing expands, and (iii) policy/geopolitical shocks (China restrictions, subsidy conditions, trade actions) that change demand or cost structure mid-ramp.