PCIe PCB Design: 4.0, 5.0, 6.0 Layout and Routing
PCIe PCB design for 4.0/5.0/6.0: 100Ω impedance, intra-pair length matching (1-5mil), AC coupling caps (0402/0201), via limits (≤2), back-drilling, loss budget, and REFCLK routing. Includes version tables and layout checklist. Introduction to PCIe PCB Design Peripheral Component Interconnect Express (PCIe) has become the mainstream high-speed serial bus standard for modern servers, data center storage, industrial…