存储芯片行业周度跟踪：SK海力士宣布量产321层NAND闪存，行业SSD/内存条价格趋稳

Investment Rating - The industry investment rating is maintained as "Overweight" [4]. Core Viewpoints - SK Hynix has announced the mass production of 321-layer NAND flash memory, which is expected to start supplying in the first half of 2025. This new product shows improvements in data transfer speed and read performance by 12% and 13% respectively, with over 10% enhancement in data read efficiency compared to the previous generation [4][21]. - The DRAM market size increased by 10.4% quarter-on-quarter to reach $25.85 billion in Q3 2024, driven by sustained demand from AI and server sectors, while other segments like mobile and consumer electronics showed weaker demand [4][24]. - The global storage market size reached $44.871 billion in Q3 2024, with a year-on-year growth of 96.8% for the first three quarters, although the growth rate is slowing down [4][28]. Summary by Sections 1. Weekly Price Tracking of Storage Chips - The average price fluctuation for NAND particles ranged from -2.35% to 3.33%, with an average change of 0.10% [4]. - The DRAM market saw a price fluctuation range of -1.61% to 0.00%, with an average decline of 0.63% [4]. 2. Industry News - The storage market atmosphere has turned slightly negative, with most SSD and memory prices experiencing minor declines. However, some PC customers have placed additional orders, stabilizing SSD and memory prices [21]. - SK Hynix's new 321-layer NAND flash is set to address the growing demand for AI applications, positioning the company favorably in the market [21]. - The introduction of the new JEDEC NAND flash interface interoperability standard supports interface speeds up to 4800MT/s, paving the way for higher performance NAND products [25][28]. 3. Company Dynamics - Deep Technology is focusing on storage semiconductors, high-end manufacturing, and intelligent terminal measurement as part of its strategic development [31]. - Zhaoyi Innovation's NOR Flash products are widely used across various sectors, including industrial and automotive applications [32]. - Jiangbolong has made significant progress in self-developed chips and high-end storage products, indicating strong growth potential in the global storage market [32]. 4. Company Announcements - Zhaoyi Innovation completed a share buyback, acquiring 1,748,100 shares at a total cost of approximately RMB 154.55 million [35]. - The company Huahai Chengke announced a suspension of trading due to ongoing acquisition plans [37].