AI服务器市场保持增长，硬件升级正当其时

Investment Rating - The industry investment rating is "Positive (Maintain)" [4] Core Insights - The AI server market continues to grow, driven by hardware upgrades and increasing performance requirements [9] - The customized ASIC chip market is expected to grow significantly, with a projected compound annual growth rate (CAGR) of 53% from 2023 to 2028, reaching a market size of 55.4 billion USD [7] - Liquid cooling technology is becoming a focal point, with the Chinese liquid cooling server market expected to reach 10.5 billion USD by 2028, growing at a CAGR of 48% from 2023 to 2028 [7] Summary by Sections Investment Recommendations and Targets - AI server performance upgrades are expected to increase hardware requirements, leading to opportunities in: 1. PCB and upstream CCL materials: Shengyi Technology, Huitian Technology, Jingwang Electronics, Shenzhen South Circuit [2] 2. Memory and storage: Lanke Technology, Jucheng Technology, Demingli, Jiangbolong [2] 3. Connectivity and networking: - Optical chips and modules: Yuanjie Technology, Guangxun Technology, Zhongji Xuchuang, Xinyi Sheng, Cambridge Technology, Huagong Technology [2] - Cables: Wolong Nuclear Materials, Zhaolong Interconnect [2] - Interconnect interfaces: Lanke Technology [2] 4. Cooling systems: Invec, Zhongshi Technology, Sixuan New Materials [2] 5. Power supplies: Magmi Te, Oulutong [2] 6. Complete machines: Industrial Fulian, Lenovo Group, Inspur Information [2] Market Trends - The global AI server shipment is expected to reach 2.14 million units by 2025, with a CAGR of 12% from 2025 to 2028 [8] - The accelerated computing market is projected to reach 22.1 billion USD by 2028 [10] - The AI computing infrastructure is expected to undergo significant advancements, breaking through existing computational bottlenecks [7] Technology Developments - The introduction of NVIDIA's Spectrum-XGS Ethernet technology aims to enhance distributed data center connectivity, potentially leading to the establishment of large-scale AI super factories [7] - The report emphasizes the importance of energy-efficient cooling solutions in data centers, highlighting the need for sustainable practices in the face of rising energy consumption [7]