What is the current maximum data transfer rate of Ethernet

400Gbps. the maximum data transmission rate of Ethernet is 400Gbps, which is stipulated by the IEEE802.3bs standard released by the IEEE standards organization in 2017, which adopts a variety of technological means, such as multi-channel transmission, high-density connectivity, and high-speed signal processing, etc., to achieve more efficient and stable data transmission. This high-speed Ethernet technology has been widely used in data centers, cloud computing, high-performance computing and other fields, providing strong support for information exchange and processing in the digital era.