The Cisco Nexus 9000 Series switches are cost-effective and low-power, providing customers with the flexibility to adapt to increasing bandwidth demands and delivering data center architectural changes consistent with business needs. It supports 10/25 GbE Ethernet and 8/16/32 G Fibre Channel with converged RDMA over Ethernet (RoCE) and IP storage. It also supports data requirements of all sizes, providing full backward compatibility and strong flexibility for expansion. In addition, it has 8 I/O module slots and 384 Gigabit Ethernet ports for large deployments. The vertical variable-speed fan automatically adjusts the temperature to reduce the facility's energy consumption and realize the optimal operation of the switch.