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Compact, Cost-Effective, Flexible Access Solution

The Cisco Nexus 2348TQ Fabric Extender (FEX) provides 48 10 GBASE-T host port interfaces and up to six 40 GE fabric interfaces in a compact 1-rack-unit (1RU) form factor. This platform, with innovative features and enhanced buffers, is ideally suited for migrating to 10GBASE-T in the network access.

Learn about the next-generation Cisco Nexus 2300 Series Fabric Extenders. (3:05 min)

Features and Capabilities

Architectural Flexibility

The Cisco Nexus 2348TQ FEX is part of Nexus 2300 Series Fabric Extenders. Combining the fabric extender and Cisco Nexus switches creates a flexible strategy for server access. Read on to learn its capabilities.

Reduced TCO

  • Allows easy migration from 100M or 1 Gigabit Ethernet to 10 Gigabit Ethernet
  • Uses existing category 6 or 7a cabling
  • Effectively reuses structured cabling with bidirectional optics
  • Reduces power consumption

Simplified Operations

  • Offers a single point of management, software upgrade, and policy enforcement
  • Features for fast, easy management include autoconfiguration

Increased Business Agility

  • Supports Fibre Channel over Ethernet (FCoE) for LAN and SAN convergence
  • Offers large 32-MB buffers that sustain workload spikes
  • Provides architectural flexibility with Cisco Dynamic Fabric Automation and Application Centric Infrastrucure
  • Delivers improved resilience with virtual PortChannel (vPC), and In-Service Software Upgrades (ISSUs)

Specifications at a Glance


  • 1+1 redundant and hot-swappable power supplies
  • N+1 redundant and hot-swappable fans
  • Forty-eight 100M/1GBASE-T/10GBASE-T host port interfaces
  • 6 QSFP+ ports
  • 1 HDMI console port


  • Up to 240 Gbps of switching capacity in each direction (480 Gbps full duplex)
  • Hardware forwarding at 1440 Gbps or 2160 million packets per second (mpps)
  • Oversubscription ratio of 2:1
  • 32-MB buffer

Additional Resources

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