电子行业存储芯片周度跟踪：渠道仍处于下行通道，三星持续推进HBM4

Investment Rating - The industry investment rating is maintained as "Overweight" [2] Core Viewpoints - NAND market prices show slight fluctuations, with demand for NAND modules continuing to rise. The total shipment growth rate for NAND bits reached 30% year-on-year, marking a historical high for the same period [2][9] - DRAM prices have slightly decreased, with a focus on developing vertical transistor DRAM technology to reduce power consumption and leakage current. The average price fluctuation for DRAM products ranged from -2.87% to 2.90% [2][11] - Samsung is accelerating the development of HBM4, with wafer production expected to start in Q4 2024 and testing products anticipated in early 2025. The market is currently in a downward trend, with most storage market prices declining [2][10] Summary by Sections 1. Weekly Price Tracking of Storage Chips - NAND prices fluctuated between -0.87% and 1.12%, with an average change of 0.15%. The total shipment growth rate for NAND bits reached 30% year-on-year [2][9] - DRAM prices showed an average decline of -0.76%, with 15 products decreasing in price and only one showing an increase [2] 2. Industry News - The storage market is experiencing a downward trend, with prices for SSDs and memory modules decreasing due to weak demand and excess supply. NAND Flash Wafer prices have decreased, with 1Tb QLC priced at $5.20, 1Tb TLC at $6.20, and 512Gb TLC at $3.30 [9] - Samsung is set to begin HBM4 wafer production in Q4 2024, aiming to regain market share lost in HBM3 and HBM3E [10] 3. Company Dynamics - Companies like Nanya Technology and Kioxia are collaborating to develop new DRAM technologies focused on energy efficiency. Additionally, companies are adjusting production rates in response to market conditions [11][12] - Peking Junzheng is actively developing new products based on customer needs and market strategies [13] 4. Company Announcements - Various companies have reported their quarterly earnings, with some showing significant changes in revenue and net profit compared to previous periods [14]