The Cisco C9350-NM-4C is an expansion module designed to enhance networking capabilities with its connectivity options. This plug-in module features four QSFP28/QSFP+ ports that support a range of data transfer rates, ensuring efficient communication. With support for 40 Gigabit Ethernet, 100 Gigabit Ethernet, and 400 Gigabit Ethernet protocols, this module meets diverse networking needs, suitable for various applications in data centers and enterprise environments. By utilizing wired connectivity technology, the Cisco C9350-NM-4C provides reliable data connections to improve overall network throughput. With a data transfer rate of 400 Gbps, this module is built to handle significant data loads, supporting demanding applications while optimizing resource usage. Its compact design ensures that it integrates seamlessly with existing network infrastructure, delivering an effective solution for enhancing network performance.