三雄争霸HBM 4

Core Insights - SK Hynix, Micron Technology, and Samsung Electronics are in fierce competition for dominance in the HBM4 market, estimated to be worth $100 billion [1][2] - Micron has begun shipping its next-generation HBM4 memory samples, achieving over 2.8TB/s bandwidth and over 11Gbps pin speed, surpassing JEDEC HBM4 specifications [1][2] - Samsung has also started preparing for HBM4 mass production, aiming to deliver samples to major clients like NVIDIA [3] Market Dynamics - Micron plans to significantly increase its market share in the $100 billion HBM market this year, with expected revenue exceeding $8 billion in high-bandwidth memory [2] - SK Hynix has already shipped 12-Hi HBM4 samples to major clients and is preparing for mass production [2] - Samsung delivered HBM4 samples to NVIDIA with speeds reaching 11Gbps, aligning with Micron's specifications [3] AI Demand and Strategic Partnerships - The collaboration between OpenAI and AMD is expected to drive long-term demand for memory chips, benefiting Samsung and SK Hynix as they are the largest HBM suppliers [4][5] - Analysts estimate the contract between AMD and OpenAI could be valued between $60 billion to $90 billion, potentially leading to significant sales for both Korean manufacturers [5] - Samsung is currently supplying 12-layer HBM3E chips for AMD's flagship MI350 accelerator, positioning itself favorably for future orders [5] Future Projections - The AI-focused memory chip market is projected to grow from $43 billion in 2025 to over $112 billion by 2027, with AI-related sales expected to account for more than half of all memory revenue [6] - The demand for general memory products is increasing as AI applications transition from training to inference [6] - Samsung and SK Hynix signed a letter of intent with OpenAI to provide HBM semiconductors for a $500 billion project aimed at building a global AI data center network by 2029 [7]