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Daniel Romero
@HyperTechInvest
Analyst. Semiconductors, data centers & physical AI. Portfolio and investment theses on Substack Join 14,000+ readers:
参加 April 2024
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Memory is no longer a commodity At least not completely And this trend is only accelerating Ten years from now, memory won't be considered any more of a commodity than what $TSM or $INTC sell HBM today is the early-stage part of this trend, with China as proof CXMT is only achieving a 25% yield on HBM3, versus 90%+ for SK Hynix They're struggling to translate their DRAM manufacturing know-how into HBM because of its much higher complexity That's even considering that CXMT uses 3,000 TSVs per HBM3 stack, compared with 8,000+ for SK Hynix, which simplifies manufacturing but can limit bandwidth Mass production has already been delayed, with current shipments still at sample scale to companies including T-Head and Cambricon The more complex memory becomes, the less it makes sense to call it a commodity. With innovations coming in custom HBM, zNAND-O, HPB, iHBM, HBF, and more, this trend is only accelerating
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