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Cisco

Cisco N3K-C3548P-XL | Switch: 48x10G SFP+; PoE: none; Uplinks: 4x40G QSFP+; License: NX-OS feature licensing

SKU:N3K-C3548P-XL

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Description

Ultra‑low‑latency 48x10GbE SFP+ top‑of‑rack switch with extended memory (XL) for larger tables and scalable L2/L3 features, plus 4x40GbE QSFP+ uplinks for spine connectivity. Ideal for performance‑sensitive data center leaf deployments.

Features

- 48x10G SFP+ low‑latency switching for latency‑sensitive workloads
- 4x40G QSFP+ uplinks for high‑bandwidth spine connectivity
- Extended memory (XL) for larger route/MAC/ACL scales
- Cut‑through forwarding for sub‑microsecond latency performance
- NX‑OS feature set with robust automation and programmability
- vPC for active‑active uplinks and resilient designs

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Ports: 48x 10GbE SFP+ data ports
- Uplinks: 4x 40GbE QSFP+ (each QSFP+ can break out to 4x10G)
- Operating system: Cisco NX‑OS (feature licensing applies)
- Switching capacity: ~1.28 Tbps; forwarding: ~960 Mpps (64‑byte, theoretical)
- Latency: ultra‑low (cut‑through switching, sub‑microsecond class)
- XL model: extended memory/resources for larger tables and scale
- Layer features: advanced L2/L3, ACLs, QoS, multicast (license dependent)
- High availability: hot‑swappable fans and power supplies (model dependent)
- Virtual PortChannel (vPC) for multi‑chassis redundancy; no traditional stacking
- Form factor: 1RU; front SFP+/QSFP+ optics

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