Scalable, Flexible, 40 Gigabit Ethernet Switch

The Cisco Nexus 5648Q Switch offers scalability, high performance, investment protection, and flexibility for traditional, virtualized, and cloud environments. This two-rack-unit (2 RU) wire-rate, 24-port, 40 GE or 96-port 10 GE switch includes two expansion slots to help prepare your network for the future.

Save with 40-GE Modules

Save with 40-GE Modules

The Cisco bidirectional transceiver offers a cost-effective, 40 Gigabit Ethernet solution.

Features and Capabilities

The Cisco Nexus 5648Q Switch is optimized for:

  • Medium to high density Cisco Fabric Extender (FEX) aggregation
  • High-performance 40 and 10 Gigabit Ethernet server access
  • Converged Fiber Channel over Ethernet (FCoE) deployments

The Cisco Nexus 5648Q Switch offers the following benefits:

High Scalability and Performance

  • Up to 192 10-Gbps or 48 40-Gbps line-rate, Layer 2 and Layer 3 ports in two-rack-units (2 RU)
  • Up to 1152, 1 or 10 Gigabit Ethernet server ports with the Cisco Nexus 2200 and 2300 Series Fabric Extenders
  • Cisco FabricPath support for scalable Layer 2 networks
  • Large buffers to handle data bursts

Operational Efficiency

  • Virtual Extensible LAN (VXLAN) support for virtualized and cloud deployments
  • Fabric Automation and PowerOn Auto Provisioning (PoAP) for automated virtualized and cloud deployments
  • Programmability: Python scripting, TCL scripting and OpenStack
  • 10 and 40 GE FCoE for LAN and SAN convergence


  • Microburst Monitoring for congestion mediation
  • SPAN on Latency to identify congested flows
  • SPAN on Drop for identifying congestion points
  • Network Latency Measurements using IEEE 1588 standard

Investment Protection

  • Ability to incrementally transition from 10 GE to 40 GE
  • Expansion slot to accommodate future growth
  • Flexibility to integrate new technologies using Gigabit Ethernet Modules (GEM)

Specifications at a Glance

Compact 2RU form factor
Two expansion slots
Line-rate Layer 2, Layer 3 throughput
Support for Layer 2 and Layer 3 VXLAN
3.84-Tbps switching capacity
Port-side intake or port-side exhaust airflow
Support for 40-Gbps bidirectional (BiDi) optics

Additional Resources

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