QYResearch·2025-10-20 09:23Core Viewpoint - The PCIe chip market is experiencing rapid evolution and expansion, driven by the increasing demand for high-speed interconnect technologies in AI, big data, and high-performance computing applications. The market is projected to grow significantly, with a compound annual growth rate (CAGR) of 16.38% from 2025 to 2031, reaching $4.998 billion by 2031 [6][11]. Product Definition and Statistical Scope - PCI Express (PCIe) is a crucial computer bus standard that supports high-speed serial communication and offers features like active power management and error reporting. The report categorizes PCIe chips into PCIe switch chips and PCIe signal enhancement chips [2]. Current Development Status of PCIe Chip Industry - AI and High-Performance Computing Driving Demand: The emergence of AI training, inference, and cloud computing has led to exponential growth in system bandwidth and I/O capabilities, particularly in data centers and AI servers [3]. - Accelerated Technological Iteration: The PCIe standard has rapidly evolved from Gen3 to Gen6, with each generation doubling the speed and increasing design complexity [3]. - Deepening Industry Chain Collaboration: The PCIe chip ecosystem is becoming more open and standardized, with established design norms and testing processes enhancing collaboration among chip manufacturers, motherboard makers, and system vendors [3]. Development Trends of PCIe Chip Industry - Expansion from Motherboard to System Level: Future trends indicate that PCIe interconnects will evolve from motherboard-level to system-level integration, driven by AI clustering and modular server architectures [4]. - Advancement Towards Gen6: The PCIe 6.0 standard, released in 2022, significantly increases data rates and imposes higher requirements on signal processing and error correction capabilities [4]. - Intense Manufacturer Competition: The core competitiveness of PCIe chip manufacturers will increasingly depend on their ability to collaborate with CPU/GPU/DPU manufacturers and system integrators, moving towards system-level solutions [4]. Market Overview - The global PCIe chip market is projected to reach $1.427 billion in sales by 2024 and grow to $4.998 billion by 2031, with China expected to account for a significant share of the market [6][7]. - The top five manufacturers (Broadcom, Astera Labs, Microchip, Texas Instruments, ASMedia) hold over 91% of the market share, with Broadcom leading in technology and market presence [7]. Product Technology Pathways - PCIe chips are categorized into switch chips and signal enhancement chips, with the market size for switch chips expected to reach $1.040 billion in 2024 and $2.515 billion by 2031, while signal enhancement chips are projected to grow from $384 million to $2.483 billion in the same period [8]. Application Segments - Servers remain the primary application for PCIe chips, accounting for 65.46% of demand in 2024, with expectations to rise to 75.83% by 2031 [9]. The increasing use of PCIe technology in AI training and real-time computing tasks highlights its critical role in modern data architectures [9]. Standard Evolution - The PCIe standards have matured, with PCIe 3.0 dominating the market at $532 million in 2024, while PCIe 4.0 and 5.0 are also gaining traction. By 2031, PCIe 4.0 and 5.0 are expected to grow to $871 million and $403 million, respectively [10]. Policy Analysis - The Chinese government has introduced several strategic policies, such as "Made in China 2025" and the "14th Five-Year Plan," aimed at enhancing the semiconductor industry, which includes support for PCIe chip development [11][13].