The Cisco C9350-NM-8Y is an expansion module that enhances connectivity capabilities while providing high-speed data transfer rates. With a plug-in form factor, this module is designed for seamless integration and offers 8 SFP (mini-GBIC) ports supporting 1 Gigabit Ethernet, 10 Gigabit Ethernet, and 25 Gigabit Ethernet protocols, ensuring versatility for various network environments. The data transfer rate of 200 Gbps supports demanding applications and heavy workloads, making this module a choice for networks requiring robust performance and reliable connectivity.