The Cisco Nexus N3K-C3164Q-40GE is a high-performance, stackable Ethernet switch designed for large enterprise data centers and high-density environments. It provides 40 Gigabit Ethernet ports for high-speed data transfer and up to 1.28 Tbps switching capacity. The switch also supports Cisco StackWise-Plus technology for seamless stacking and redundancy, and it is equipped with a variety of security features to protect your network from unauthorized access and malicious attacks.