Nvidia(US:NVDA) Xinda Securities·2025-10-19 06:05Investment Rating - The industry investment rating is "Positive" [2] Core Insights - On October 13, NVIDIA released the white paper "800 VDC Architecture for Next-Generation AI Infrastructure," outlining its vision for "AI factories," which includes the new generation of open architecture rack servers and an expanded NVIDIA NVLink Fusion ecosystem [2][3] - The introduction of the 800VDC power supply system in NVIDIA's Vera Rubin GPU platform allows for a significant increase in power capacity from 200KW to 1MW per cabinet, indicating a clear trend towards HVDC technology [3] - The demand for high-end soft magnetic materials is expected to rise due to the higher voltage and current requirements of the 800V architecture, necessitating advancements in material performance [3] - The adoption of hollow-core fiber optics by cloud computing giants enhances data center interconnectivity, reducing latency over long distances, which is crucial for real-time data synchronization and AI model training [3] Summary by Sections HVDC Technology - The transition from UPS to medium-voltage rectifiers and eventually to SST solutions is outlined, with medium-voltage direct current (MVDC) already validated in industrial applications, suggesting low implementation difficulty [3] - SST solutions are projected to be more efficient, potentially saving about 50% in space, thus providing more operational flexibility for future data center management [3] Soft Magnetic Materials - The 800V architecture's requirements for magnetic components necessitate higher performance materials, with ferrite materials being particularly suitable [3] Hollow-Core Fiber Optics - Hollow-core fiber optics are noted for their advantages in speed, signal loss reduction, and signal quality improvement, which are critical for enhancing data center operations [3] Investment Recommendations - Suggested companies to watch include: 1. HVDC: Zhongheng Electric, Igor, Sunshine Power, Jinpan Technology, Heweih Electric 2. Soft Magnetic Materials: Hengdian Dongci, Jinli Permanent Magnet 3. Hollow-Core Fiber: Zhongtian Technology, Hengtong Optic-Electric [4]