N9K-C9348GC-FX3 Nexus 9300 48p 1G RJ45, 4p 25G SFP28, 2p 100G QSFP28

Cisco N9K-C9348GC-FX3 – Nexus 9348GC-FX3 48x1G RJ45 + 4xSFP28 + 2xQSFP28 fixed switch (NX-OS)

The Cisco Nexus N9K-C9348GC-FX3 is a 1RU fixed switch with 48x 1GBASE-T, 4x 25G SFP28 and 2x 100G QSFP28. Built for hybrid enterprise and cloud access layers that need legacy copper (1G with 10/100 fallback) plus modern uplinks. It delivers 696 Gbps switching capacity and 517 Mpps forwarding, with NX-OS automation, MACsec, and flexible migration via SFP28 and QSFP28 uplinks.

🔧 Key Specifications

• Ports:
  • 48x 10M/100M/1G BASE-T downlinks
  • 4x 1/10/25G SFP28
  • 2x 40/100G QSFP28 uplinks
• Switching capacity: 696 Gbps
• Forwarding rate: 517 Mpps
• CPU: 4 cores
• Buffer: 40 MB
• System memory: 32 GB;
• Storage: 128 GB SSD
• Management: 1 RJ-45 + 1 SFP;
• Fans: 3; Airflow: port-side intake/exhaust
• Power supplies: 350W AC, 440W DC, or 350W HVAC/HVDC; typical 226W; max 242W
• Form Factor: 1RU
• Dimensions: 1.72 x 17.3 x 19.7 in
• Weight: 14.5 lb
• MTBF: ~329,090 hours

🧩 Ideal Use Cases

• Enterprise access/aggregation: 1G copper endpoints with 25G/100G uplink migration paths
• Campus cores: secure MACsec and predictable scaling with compact 1RU footprint
• Hybrid data centers: bridging 1G access with 100G spine connectivity

⚙️ Licensing & Expansion

• Operating modes: NX-OS or ACI; supports VXLAN EVPN, Segment Routing (SR/SRv6)
• Programmability: Native YANG/OpenConfig via RESTCONF/NETCONF/gNMI; model-driven telemetry
• Nexus Dashboard: Fabric Controller, Insights, Orchestrator included with tiered DCN licensing