AI浪潮驱动存储涨价新周期，国产替代势如破竹

Investment Rating - Industry Rating: Outperform the Market (maintained rating) [2] Core Viewpoints - The semiconductor industry is experiencing a structural shift driven by AI technology, leading to a significant increase in demand for large-capacity storage in data centers, as well as in smart devices like smartphones and smart cars [4][8] - NAND and DRAM prices are on the rise, with a forecasted increase in prices for various storage products in the fourth quarter, driven by supply constraints and rising production costs [9][10] - Domestic storage manufacturers are expected to benefit from a combination of price recovery and domestic substitution, leading to a robust recovery in demand and production in the fourth quarter [11][12] Summary by Sections Industry Overview - The semiconductor industry is transitioning from a cyclical to a structural growth phase, primarily due to the AI-driven demand for storage solutions [4][8] - The current "super cycle" in storage is characterized by a significant increase in data storage needs, influenced by the proliferation of AI technologies [8] Price Trends - Flash wafer prices have surged, with a 15% increase for 1Tb Flash Wafer and over 20% for 512Gb Flash Wafer in just a month and a half [9] - The prices of server memory modules have also seen substantial increases, with DDR4 RDIMM 16GB 3200 rising by 66.67% to $150.00 [9][10] Domestic Market Dynamics - International giants are shifting focus to high-end products, creating opportunities for domestic storage manufacturers to gain market share [5][11] - Companies like Yangtze Memory Technologies are expanding production capacity significantly, aiming for a 15% share of the global NAND market by 2028 [6][12] Technological Innovations - The "storage as computation" paradigm is emerging, which allows for the migration of AI inference data from expensive DRAM to more cost-effective SSDs, enhancing performance and reducing costs [13] - This innovation is expected to drive SSD demand growth beyond traditional trends [13] Investment Opportunities - Recommended companies to watch include storage module and controller manufacturers like Jiangbolong and Demingli, as well as storage chip companies like Zhaoyi Innovation and Puran [14]