Samsung pitches zHBM with 8x HBM5 performance, but it is still only a concept
© Samsung Samsung used FMS 2026 to present a broad roadmap covering HBM4E, HBM5, LPDDR5X-PIM, 400-layer NAND and two new concepts called zHBM and zNAND-O . The presentation reads more like a pitch to customers and investors than a product announcement, since Samsung provided no launch dates for most of the technologies.
Samsung wants to stack HBM above AI chips
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