Core Viewpoint - The storage sector, particularly HDD leaders Seagate and Western Digital, is experiencing unprecedented growth driven by a "storage supercycle" fueled by AI data center demands and strong product pricing dynamics [1][2][4]. Group 1: Stock Performance - Seagate and Western Digital have seen stock price increases of 215% and 256% respectively year-to-date, reflecting strong market performance [1]. - SanDisk, a spinoff from Western Digital, has experienced an astonishing 500% increase in stock price this year [1]. Group 2: Market Dynamics - The demand for storage products is surging due to the rapid expansion of AI data centers, which require various storage solutions including HBM, SSD, and HDD [2][3]. - The HDD industry has maintained supply discipline, which, combined with a recovery in NAND cycles and long-term contracts with cloud providers, has led to increased visibility in orders and pricing for Seagate and Western Digital [2]. Group 3: Future Outlook - Analysts predict that the current storage supercycle will last at least until mid-2027, with expectations of continued price increases and strong demand for high-performance storage products [4][7]. - Citigroup has raised the target price for Seagate from $275 to $320 and for Western Digital from $180 to $200, indicating confidence in their continued growth [6]. Group 4: Competitive Landscape - Major players in the storage chip market, including SK Hynix, Samsung, and Micron, are also benefiting from the AI boom, with significant price increases expected for traditional DRAM and NAND products [6][7]. - The competitive advantage of SK Hynix in HBM storage systems positions it favorably among major AI clients like NVIDIA and Google [6].