GTC大会临近，算力再预热

Investment Rating - The report maintains a "Buy" rating for key companies in the industry, including Zhongji Xuchuang, Xinyi Sheng, and Tianfu Communication [10]. Core Insights - The upcoming GTC 2026 conference is expected to showcase groundbreaking advancements in AI computing infrastructure, including next-generation GPU architectures, CPO co-packaged optics, and liquid cooling technologies, which are anticipated to catalyze renewed interest in the computing sector [21][25]. - The Rubin platform is set to debut as the main GPU for 2026, utilizing advanced 3nm technology and HBM4 high-bandwidth memory, which is expected to double capacity and significantly reduce interconnect energy consumption [24]. - The Feynman architecture is projected to be unveiled, with expectations of a 2028 release, utilizing TSMC's 1.6nm process and targeting a single chip power consumption exceeding 5000W, necessitating a fundamental transformation in power architecture and cooling solutions [24]. - NVIDIA plans to introduce a new inference chip system integrating LPU technology, designed for ultra-low latency inference, aimed at real-time interactive AI applications [24]. - The report emphasizes the importance of CPO technology commercialization, with NVIDIA's investment of $4 billion in optical communication giants Coherent and Lumentum to strengthen its R&D pipeline and supply chain [24]. - The transition to 800V high-voltage power and modular power supply solutions is highlighted as a critical evolution in power architecture due to the increasing power demands of GPUs [24]. - Liquid cooling solutions are expected to be further detailed, with the Rubin GPU anticipated to exceed 2000W, indicating a shift towards 100% liquid cooling systems [24]. Summary by Sections Investment Strategy - The report suggests focusing on companies in the computing sector, particularly in optical communication, liquid cooling, and space computing, with specific recommendations for leading firms like Zhongji Xuchuang and Xinyi Sheng [15][7]. Market Review - The communication sector has experienced a downturn, with quantum communication showing relatively better performance, indicating a need for strategic positioning in the market [17][20]. Upcoming Events - The GTC 2026 conference is positioned as a pivotal moment for the AI computing industry, with expectations of significant technological advancements being showcased [21][25]. Key Companies to Watch - Recommended companies include Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, and others involved in optical devices and computing equipment, highlighting their potential for growth in the evolving market landscape [8][15].