Cisco 100GBase-LR4 CPAK Module for SMFThe Cisco 100GBase LR4 CPAK Module for SMF is engineered to deliver blazing fast 100Gbps connectivity with the reliability and precision Cisco customers expect. Built for modern data centers, high performance computing environments, and enterprise core networks, this high density CPAK transceiver combines four 25G lanes into a single robust module that travels over single mode fiber (SMF) to reach long haul distances. Designed for scalability,