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Micron enters high-volume production of HBM4 for Nvidia Vera Rubin - 2.3x bandwidth improvement and 20% boost in power efficiency
What happened
Micron announced high-volume production of its 36GB 12-Hi HBM4 memory for Nvidia's Vera Rubin platform, claiming a 2.3x bandwidth and >20% power efficiency improvement over its HBM3E. This is part of a broader volume shipment of three products (HBM4, SOCAMM2, PCIe 6.0 SSD) for the Vera Rubin ecosystem. 利多: HBM4量产可能逐步替代HBM3E需求，但对现货市场短期无直接影响。
Impact and signal
Low impactImpact score: 25/100
Affected components and suppliers
HBM4PCIe 6.0 SSD
Source and time
Source: Tom's Hardware · 3/16/2026 · View original source
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