The Cisco Nexus 6004EF switch is the latest switch in the Cisco Nexus 6000 series. It extends the industry-leading innovation and versatility of the Cisco Nexus 6000 series data center switches and runs the same industry-leading Cisco NX-OS Software operating system. The Cisco Nexus 6004EF is versatile. Choose either front-to-back or back to-front airflow options to suit traditional data center implementations or large-scale cloud deployments. An extensible architecture also makes the Cisco Nexus 6004EF a low-cost entry point for small-scale deployments.