➀ PCIe technology is undergoing a significant transformation with the adoption of optical interconnects, driven by the increasing demand for high-speed data transmission and computing. ➁ The development of optical interconnect technology is gaining momentum, with multiple vendors introducing solutions related to PCIe, accelerating its application in data centers. ➂ Copper-based PCIe is facing challenges, and optical interconnects are poised to become the backbone of data transmission, offering longer distances and higher data rates. ➃ PCIe-SIG is actively exploring optical connections, establishing an optical working group to standardize optical PCIe, aiming to enhance AI model performance and GPU utilization. ➄ Various industry players, including connection technology companies, IP vendors, and chip manufacturers, are contributing to the advancement of PCIe optical interconnects, ensuring its practical implementation and scalability.