AI infrastructure goes beyond just acquiring GPUs. This article presents a layered framework that systematically outlines the entire chain—from chips, HBM, packaging, and interconnects, to data centers, power supply, and networks, and ultimately to inference services and. AI infrastructure goes beyond just acquiring GPUs. That's the job of an AI server—a custom-built system that keeps AI applications fast, scalable, and efficient. An AI server's architecture is all about. AI, or artificial intelligence, is changing the way organizations and businesses handle data by incorporating automation of complex calculations, introducing new advanced applications, and fulfilling computational demands like never before. They provide the hardware environment —. This article explains the internal PCB composition of an AI server by disassembling the server hardware, so readers can gain a clearer understanding of the PCB types and their relative value within a system. Indeed, the AI server market was valued at $38. 3 billion in 2023 and is estimated by Global Market. Using the NVIDIA DGX A100 as a primary reference, given its detailed documentation, and acknowledging the similar design principles found in the DGX H100, an AI server can be functionally segmented into five core hardware areas.