Investment Rating - The report maintains a "Positive" investment rating for the electronic industry, particularly focusing on the potential growth of SiC/GaN power devices driven by new power supply solutions for AI data centers [6]. Core Insights - The demand for AI servers and data centers is expected to open up growth opportunities for SiC/GaN power devices, with new power supply solutions like HVDC and SST becoming increasingly important [3][11]. - The report highlights that the transition to 800V HVDC power supply architecture is anticipated to significantly enhance power efficiency and reduce operational costs for data centers [9][28]. Summary by Sections 1. AI Data Center Power Requirements - The power requirements for AI data centers are increasing, with single cabinet power rising from 5-8 kW to 20-50 kW, and potentially exceeding 100 kW [19]. - NVIDIA is promoting the transition to an 800V HVDC power supply architecture, which is expected to be fully implemented by 2027 [26][28]. 2. SST (Solid State Transformer) - SSTs are characterized by high efficiency and compact size, making them suitable for modern power supply needs [37]. - The adoption of SST technology is expected to become mainstream in future power supply solutions, significantly improving space utilization and power efficiency in data centers [47]. 3. HVDC and SST Impact on Power Semiconductors - The report indicates that HVDC and SST solutions will enhance the performance requirements for power semiconductors, creating a favorable environment for the penetration of SiC/GaN devices [56]. - The market for SiC/GaN devices is projected to reach $2.7 billion by 2030, driven by their application in 800V HVDC data center power systems [11][68]. 4. SiC/GaN Growth Potential - The report identifies key companies that are well-positioned to benefit from the growth in SiC/GaN devices, including industry leaders like Innoscience and Tianyu Advanced [3][14]. - The penetration rates for SiC and GaN in the power semiconductor market are expected to increase, with forecasts suggesting a rise in demand due to AI computing facilities [68].

Core Viewpoint - The construction of AI computing power centers (AIDC) is on the rise, and solid-state transformers (SST) are expected to become the preferred solution for future data center power supply architectures due to their high efficiency, compact size, flexibility, and prefabricated design [2][6]. Group 1: SST Technology and Market Potential - SST is anticipated to become the optimal technology route as AI power supply architecture upgrades to 800V HVDC, with major cloud providers increasing capital expenditure and accelerating AIDC construction [2][10]. - SST offers significant performance advantages over traditional UPS supply chains, including over 3 percentage points improvement in efficiency, 60% reduction in footprint, and 75% decrease in installation and debugging time [3][16]. - The initial investment cost of SST is currently high, but there is substantial potential for cost reduction as core components like power semiconductor devices and amorphous nano-crystalline materials mature [3][12]. Group 2: Industry Landscape and Competitive Positioning - Major global AIDC players like Eaton and Delta have early reserves in SST solutions, while domestic companies are entering the market from traditional power equipment, AI power supply, and solar storage sectors [3][27]. - Companies with deep understanding of power electronics, high-frequency transformers, and mid-voltage processing, along with rich experience in data center projects, are expected to stand out in the SST market [3][28]. Group 3: Policy and Green Energy Integration - The introduction of policies supporting green electricity direct connection presents new opportunities for SST promotion in data centers, emphasizing the importance of green computing [14][16]. - SST is well-suited for scenarios that require collaboration between computing power and electricity, aligning with the "AI+" development direction [14][16]. Group 4: Technical Advantages of SST - SST significantly enhances space utilization and power supply efficiency, making it a strong candidate for direct current power supply in data centers [16][22]. - The modular design of SST allows for prefabricated installation, reducing construction cycles to less than 90 days and simplifying maintenance [22][24]. - SST supports integration with renewable energy sources, enhancing green energy consumption and meeting the requirements for integrated source-grid-load-storage systems [22][24].