Samsung's "High Performance HBM4 Confidence Expands Negotiating Power"… price premium steel construction - 매일경제

Samsung's willingness to hold a price premium on HBM4 is a deliberate repositioning of memory from commodity to strategic bottleneck. HBM4 sits inside the CoWoS package of AI accelerators; switching suppliers means re-validating the entire interconnect protocol stack. That switching cost is the moat. Samsung is playing the timing card—whichever vendor clears NVIDIA's or AMD's qualification first locks in pricing power through the 2026-2027 AI capex cycle. Technically, the 1024-bit interface and aggressive bandwidth targets make TSV density and thermal management the real barriers. If Samsung cracks yield at this node, its 12nm DRAM process cascades into standard DRAM and LPDDR6, creating a platform-level dividend. Upstream, ABF substrate and base-die design flow toward Samsung; downstream, AI chip BOM structures get recalibrated. The competitive triangle is tightening. SK Hynix, NVIDIA's current HBM anchor, faces a squeeze: match the price and margins compress, hold the price and share erodes. Micron, still consolidating its HBM3E position, treats the HBM4 window as existential. Samsung's premium strategy signals to buyers: HBM is the throughput bottleneck of AI clusters, not a commodity input. Twelve to twenty-four months out: if Samsung's HBM4 ramps in H2 2025, the market shifts from one-leader-one-challenger to a three-way contest, but the premium anchor prevents a price war. The deeper shift: memory's valuation logic migrates from cyclical to platform, forcing a structural re-rating across semiconductor capital allocation.