ETU-LINK 200G QSFP56 DAC is a type of direct attach copper cable specifically designed to connect two 200G QSFP56 ports. It offers a cost-effective, power-efficient, and low-latency solution for short-distance data transmission within data centers. This cable boasts exceptional performance, capable of supporting up to 200G data transmission rates, thus meeting the increasing demands for data transmission in modern data centers. Additionally, the installation and maintenance of the 200G QSFP56 DAC are straightforward, significantly reducing operational costs and complexity within data centers. Consequently, it is widely used for connecting servers, switches, storage devices, and other equipment within data centers.