存储芯片概念爆发，兆易创新涨停，江波龙等大涨

Industry Overview - The storage chip sector is experiencing significant activity, with companies like Cloud Han Chip City and others seeing stock price increases of over 10% [1] - Major North American cloud service providers (CSPs) such as Google, Meta, Microsoft, and Amazon AWS are expanding their investments in AI infrastructure, with total investments expected to reach a historical high of $600 billion by 2026 [1] Price Forecast - Strong demand for AI is projected to drive substantial increases in storage chip prices by 2025, with DDR4 16Gb prices expected to rise by 1800%, DDR5 16Gb by 500%, and 512Gb NAND flash by 300% [1] - Guojin Securities forecasts that global storage chips will remain in short supply throughout 2026, leading to continued price increases [2] Supply and Demand Dynamics - For 2026, DRAM bit supply is expected to grow by approximately 15% to 20%, while demand growth is anticipated to reach 20% to 25% [2] - NAND bit supply is projected to increase by 13% to 18%, with demand growth expected to be between 18% and 23% [2] - The consumption of DRAM and NAND flash in the server sector is predicted to surge by 40% to 50% year-on-year, with even faster growth in AI server applications [2] Price Increase Predictions - In Q1 2026, storage contract prices are expected to continue rising, with increases projected at 30% to 40% [2] - Prices for DDR5 RDIMM memory are anticipated to rise by over 40%, while NAND flash prices are expected to see double-digit percentage increases [2] - Enterprise-grade SSD prices are also forecasted to increase by 20% to 30% [2]