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Cisco

Cisco N5K-C5548UP-B-S32 | 32x UP 1/10GbE/FCoE, F2B airflow, 2x 750W AC, base 32-port license

SKU:N5K-C5548UP-B-S32

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Description

High-density data center switch with 32 unified SFP/SFP+ ports enabled (Ethernet/FC/FCoE), ultra‑low latency cut‑through switching, and redundant hot‑swappable power and cooling. Supports modern DC fabrics, vPC, and lossless Ethernet for converged I/O. Expansion slot allows future growth by adding an optional 16‑port module for up to 48 total ports.

Features

- Converged networking with Ethernet and FCoE on unified ports
- Low‑latency cut‑through switching for performance‑sensitive workloads
- vPC for active‑active uplinks and loop‑free L2 designs
- Granular QoS with PFC/ETS for lossless traffic classes
- Redundant hot‑swappable PSUs and fan trays
- Scalable to 48 ports with optional expansion module
- Rich automation and programmability with NX‑OS

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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FAQs

Technical Specifications

FAQs

Q: What does ‘unified port (UP)’ mean on this switch?
A: Each UP can be configured for 1/10GbE or Fibre Channel/FCoE, enabling converged Ethernet and storage networking on the same hardware.

Q: How many ports are active out of the box?
A: 32 ports are enabled with the included base (S32) license. Additional ports require an optional expansion module and relevant licenses.

Q: Does this model support PoE?
A: No. The UP SFP/SFP+ ports do not provide PoE/PoE+.

Q: Can I expand beyond 32 ports?
A: Yes. An optional 16‑port expansion module can be added for up to 48 total ports.

Q: What airflow direction is this chassis?
A: Front‑to‑Back airflow, suitable for hot‑aisle/cold‑aisle data center designs.

Technical Specifications

- Form factor: 1RU top‑of‑rack switch
- Airflow: Front‑to‑Back (F2B)
- Fixed unified ports: 32x SFP/SFP+ 1/10GbE, FC/FCoE capable (UP)
- License: Base 32‑port activation (S32)
- Expansion: 1x module bay for optional 16x 1/10GbE UP module (up to 48 ports total)
- Switching architecture: Cut‑through, low‑latency (≈2–3 µs typical)
- Data center features: FCoE, DCB/ETS/PFC, QoS with granular scheduling
- Layer features: VLANs (4K), MSTP/RSTP, LACP, ACLs, jumbo frames (≈9K)
- Resiliency: Dual hot‑swap 750W AC PSUs, hot‑swap fan trays
- Management: NX‑OS, CLI/SSH, SNMP, syslog
- High availability: vPC/VPC+, NSF/SSO (platform dependent)

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