Advancement to HBM4 Will Entail Higher Costs with Price Premium Estimated to Exceed 30%

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2025-05-09

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As demand for AI servers rises, the adoption of HBM4 memory is set to increase costs, with estimated price premiums exceeding 30%. HBM4 features significant changes, including doubling IO channels to 2048 and using logic chip architecture, leading to higher data transfer rates and reduced latency. However, these advancements also raise manufacturing costs, with wafer costs reaching $7000-8000, making it 3-4 times more expensive than traditional DRAM. In 2026, total HBM shipments are forecasted to exceed 30 billion Gb, with SK hynix expected to maintain over 50% market share. Samsung and Micron need to improve yield rates and production capacity to compete in the HBM4 market.

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