Core Insights - The AI-driven power revolution is reshaping the entire power supply system from chips to the grid, with significant implications for data center operators, equipment manufacturers, and investors [1] Group 1: Key Predictions - Prediction 1: Vertical power supply will dominate future processor architectures, with total current consumption expected to rise to 10,000 amperes within ten years due to the increasing size of chips and reduced supply voltage [2] - Prediction 2: High-voltage direct current (DC) power supply architecture will replace the 48V ecosystem as single rack power exceeds 1 megawatt, necessitating new modules like electronic fuses and hot-swappable features [7] - Prediction 3: AI rack power consumption will enter the megawatt era, with total power in a single IT rack projected to exceed 1 megawatt as more GPUs are integrated [10] Group 2: Power Supply Developments - Prediction 4: Power supply rack power levels will exceed 100 kilowatts, with each rack potentially housing multiple power supply units to support the transition to 1 megawatt IT racks [12] - Prediction 5: New data center power demands will reach gigawatt levels, driven by the increasing power consumption of modern GPUs and dense AI compute nodes [14] - Prediction 6: Distribution systems will shift towards DC microgrids, which are seen as a promising architecture for future AI data centers, utilizing solid-state transformer technology [16] Group 3: Renewable Energy Integration - Prediction 7: Renewable energy will become a critical constraint for AI development, with nearly 50% of the power used by global data centers coming from renewable sources [18] - To support the operation of gigawatt-scale data centers, approximately 8 square kilometers of solar fields will be required [19]

Core Insights - Nvidia has proposed an 800VDC outdoor solution, utilizing medium-voltage rectifiers or solid-state transformers (SST) to address the increasing computational power demands driven by the rapid evolution of large models [1][2] - The high-voltage direct current (HVDC) system aims to enhance efficiency and reduce power loss, with medium-voltage rectifiers being more efficient compared to traditional UPS and HVDC solutions [1] - The market is witnessing significant commercial progress, with leading companies both domestically and internationally pushing for the implementation of HVDC technology [1] Industry Developments - The midstream of the industry consists of system integrators, while the downstream includes CSP manufacturers or operators [2] - Nvidia's introduction of the outdoor direct current solution is aimed at mitigating the growing power density issues in server cabinets, effectively reducing power loss [2] Investment Opportunities - Key beneficiaries among terminal manufacturers include Zhongheng Electric, Kehua Data, and Sunshine Power [3] - The core transformation lies in the transformer sector, with companies like Jingquanhua, Igor, New Special Electric, and Jinpan Technology being highlighted [3] - PCB suppliers for Delta Power are expected to see increased volume, including Weiergao and Zhongfu Circuit [4] - Attention is also recommended for changes within cabinets, particularly New Ray Energy [4] - Server OEMs such as Industrial Fulian, Huaqin Technology, and Lenovo Group are also noted as potential beneficiaries [4]

Core Viewpoint - Nvidia has introduced an outdoor DC solution to address the increasing power density issues in cabinets, effectively reducing power loss [1] Group 1: Nvidia's Proposal - Nvidia proposed an 800VDC outdoor solution, utilizing medium-voltage rectifiers or solid-state transformers (SST) as the ultimate solution [1] - The high-voltage direct current (HVDC) system is referenced as a future power supply solution, driven by the exponential growth in computing power demands [1] Group 2: Efficiency of Medium-Voltage Rectifiers and SST - Medium-voltage rectifiers convert medium-voltage AC (typically 1kV to 35kV) directly to DC, achieving over 98% efficiency and reducing footprint [2] - Solid-state transformers combine power electronics with high-frequency transformer technology, also achieving over 98% efficiency [2] Group 3: Market Commercialization Progress - Leading companies are advancing HVDC technology domestically and internationally, with Alibaba starting tenders in 2018 and Tencent planning for 2025 [3] - Internationally, Meta's Prometheus project may tender in 2026, while Google is promoting ±400V standardization [3] Group 4: Industry Chain Differences - The core difference in the industry chain lies in the transformers used, with medium-voltage rectifiers utilizing phase-shifting transformers and solid-state transformers using high-frequency transformers [4]