Cisco product family

Cisco Nexus Series switching

Data center

Top-of-rack, leaf-and-spine and modular switching built for data center fabrics.

Nexus is Cisco's data center switching line, not a bigger version of Catalyst. It's built specifically for data center fabric designs — top-of-rack and leaf-and-spine topologies that Catalyst campus switches aren't engineered for — running NX-OS rather than the IOS-XE used across the Catalyst line.

If you're wiring an office or a campus building, Catalyst is the right product; if you're building or expanding an actual data center network fabric, Nexus is. We help confirm which one your project actually needs before quoting, since the two lines solve different problems despite sharing a parent brand.

  • Fixed switches for top-of-rack or spine-and-leaf designs
  • Modular chassis options for large-scale spine and aggregation layers
  • Separate product line from Catalyst — built for the data center, not the campus LAN

Best for: Businesses building or expanding a data center network, not a campus or branch LAN.

Pick by deployment size

Here's roughly where each tier fits. Exact model and configuration are confirmed when you request a quote.

  • Small / server room

    Nexus N3000 Series

    Fixed top-of-rack switching for a small server room or single data center rack.

  • Enterprise data center

    Nexus N9300 Series

    Fixed switching for spine-and-leaf or top-of-rack designs in a mid-size data center fabric.

  • Large-scale data center

    Nexus N9500 Series

    Modular spine and aggregation switching for large, high-port-count data center fabrics.

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