电子行业研究：掘金 AI硬件浪潮:聚焦算力基础、国产突破与存储大周期

Investment Rating - The report maintains a positive outlook on the AI industry chain and core computing hardware, with a focus on AI copper-clad boards, PCBs, semiconductor equipment, and domestic computing power benefiting from the AI sector [1][2][3]. Core Insights - The capital expenditure (CAPEX) of the four major North American cloud service providers (CSPs) continues to grow, with a positive outlook for future spending. The total CAPEX for Microsoft, Amazon, Google, and Meta reached $97.3 billion in Q3 2025, a year-on-year increase of 65% [1][13]. - The demand for AI computing power is expected to remain strong, driven by the increasing need for ASICs and GPUs. The global market for ASICs is projected to grow at a compound annual growth rate (CAGR) of 54% from 2025 to 2029 [1][41]. - The semiconductor equipment industry is poised for growth due to the expansion of storage capacity and the push for domestic control, with significant opportunities for domestic equipment manufacturers [2][3]. Summary by Sections Section 1: Continued Optimism for the AI Industry Chain - The high CAPEX of cloud providers is expected to be sustainable, with Microsoft, Amazon, Google, and Meta showing strong growth in capital expenditures [1][13]. - AI server demand is projected to increase significantly, with a 20% year-on-year growth expected in 2026, driven by CSP investments in AI infrastructure [1][34]. Section 2: Semiconductor Equipment Industry - The storage expansion cycle, combined with the need for domestic control, is expected to benefit the semiconductor equipment supply chain. The introduction of 3D DRAM technology and increased stacking layers in NAND will drive demand for advanced manufacturing equipment [2][3]. Section 3: Domestic Computing Power Opportunities - Domestic cloud providers have significant room for increased capital expenditure, with major players like Alibaba planning to invest $58 billion in AI hardware infrastructure over the next three years [2][3]. Section 4: AI Edge Applications and Hardware Innovations - Apple's AI strategy focuses on hardware integration and edge AI applications, with expectations for growth in AI/AR glasses and related technologies [3][3]. Investment Recommendations - The report suggests a favorable outlook for AI copper-clad boards, PCBs, core computing hardware, semiconductor equipment, and domestic computing power, anticipating continued growth in these sectors through 2026 [3].