Nvidia(US:NVDA) Guoxin Securities Co., Ltd·2025-07-21 12:20Investment Rating - The report maintains a "Positive" outlook for the computer industry, expecting the industry index to outperform the market index by over 5% in the next six months [42]. Core Insights - The computer sector index rose by 2.12% from July 14 to July 18, outperforming the CSI 300 index by 1.03 percentage points, ranking 8th among all sectors [13][16]. - The introduction of NVIDIA's GB300 server, based on the Blackwell Ultra architecture, marks a significant advancement in AI computing capabilities, with a peak performance of 1.1 ExaFLOPS, representing an 11-fold increase in inference speed compared to the previous Hopper architecture [2][19]. - The GB300's production capacity is projected to reach 2,000-2,500 units per month in Q2 2025, with total production expected to be between 5,000-6,000 units, driven by demand from major cloud service providers [2][21]. Summary by Sections Market Performance - The computer sector index increased by 2.12% during the week, while the CSI 300 index rose by 1.09%, indicating strong sector performance [13][16]. - Top gainers included Xiling Information (+27.08%), ST Cube (+26.86%), and Yanhua Intelligent (+24.04%), while major losers were Dazhihui (-17.51%), Jinzhen Shares (-10.85%), and Jingbeifang (-10.61%) [16][17]. Technology Progress and Industry Impact - The GB300 server integrates advanced technologies, including a modular liquid cooling system and NVLink 5.0, which allows for high-density GPU deployment [2][19]. - The GB300's liquid cooling technology is expected to increase its penetration from approximately 10% in 2024 to over 30% in 2025, particularly in high-end AI training servers [7][28]. Supply Chain Dynamics - The production of GB200 and GB300 servers is driving significant adjustments in the global supply chain, with major manufacturers like Foxconn and Quanta ramping up production [21][26]. - North America's major cloud providers, including Microsoft, Google, AWS, and Meta, are the primary purchasers of these servers, with significant orders also coming from Middle Eastern sovereign AI projects [21][26]. Investment Opportunities - The demand for high-end optical modules is expected to surge due to the GB300's introduction, with the 1.6T optical module's transmission speed doubling that of the 800G version and power consumption decreasing by 30%-35% [4][26]. - The PCB industry is also set to benefit from the GB300's rollout, with a shift towards higher-layer boards to support increased computing density [4][28].