Investment Rating - The industry investment rating is "Maintain Buy" [7] Core Insights - Samsung Electronics is developing a hybrid CXL module that combines NAND flash memory, aiming for commercialization by 2027 [1][28] - The global DRAM market size in Q1 2025 grew by 42.5% year-on-year to $26.729 billion, driven by strong demand from AI servers and a recovery in PC and mobile demand [2][28] - HBM4 production is imminent, with significant improvements in speed and power efficiency compared to HBM3E, expected to boost demand in AI and high-performance computing markets [3][28] - There is a tightening supply of LPDDR4X resources, leading to significant price increases in the spot market due to production cuts by DRAM manufacturers [4][29] Summary by Sections NAND - Samsung is developing a hybrid CXL module that integrates NAND flash memory, with a target for commercialization in 2027. Recent spot prices for 22 NAND products showed an average fluctuation of 0.64% [1][28] DRAM - The DRAM market saw a 42.5% year-on-year growth in Q1 2025, reaching $26.729 billion, despite an 8.5% quarter-on-quarter decline. The demand is supported by AI server needs and a recovery in PC and mobile sectors [2][28] HBM - HBM4 is set for mass production, featuring a 60% increase in data transfer speed and a 30% reduction in power consumption compared to HBM3E. The number of TSV interfaces has doubled, and the capacity per DRAM has increased from 24Gb to 32Gb [3][28] Market Dynamics - The LPDDR4X market is experiencing supply constraints due to production cuts, resulting in significant price increases. The long-term outlook suggests continued tight supply due to reduced production capacity [4][29] Investment Recommendations - The report maintains a positive outlook on the HBM industry chain and the semiconductor cycle recovery, recommending stocks such as Saiteng Co., Yishitong, and Dongxin Co. [5]