Ultra-High-Density 10 Gbps Switching for Demanding Data Center Networks — Cisco Nexus N3K-C3548P-XL: Performance You Can Rely On.
Product Description
The Cisco N3K-C3548P-XL is a high-performance 48-port 10 Gbps SFP+ fixed switch in the Cisco Nexus 3500 Series, built to deliver ultra-low latency, robust throughput, and enterprise-class reliability for modern data centers. Designed with dual redundant power supplies and hot-swappable fans, this switch ensures maximum uptime and optimized airflow for rack-mount deployments
Model Type: Fixed Ultra-Low-Latency Data Center Switch (Layer 2/Layer 3)
Category: Cisco Nexus 3500 Series High-Performance Switch
Key Features
48 × 1/10 Gigabit SFP+ Ports – High-density fiber optic connectivity for servers, storage, and aggregation in demanding environments, configurable as 1 Gbps or 10 Gbps per port.
Dual Redundant Hot-Swappable Power Supplies – Ensures continuous operation with failover power support for critical workloads.
Four Redundant Hot-Swappable Fans – Flexible back-to-front or front-to-back airflow options for optimized data center cooling and rack integration.
High Performance: 960 Gbps switching capacity with 720 Mpps forwarding rate for consistent line-rate throughput across all ports.
Layer 2/3 Support – Advanced switching with VLANs, spanning tree protocols, routing, and jumbo frame support up to 9216 bytes.
Management Interfaces: Includes 1 × 10/100/1000 Mbps management port, 1 × RS-232 console, and 2 × USB ports for flexible administration.
Timing Port: Integrated 1-PPS timing port for precise synchronization in time-sensitive applications.
Scalability & Tables: Supports up to 64,000 MAC addresses, 24,000 IPv4 unicast routes, and 4096 VLANs in normal mode.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Ports | 48 × 1/10 Gbps SFP+ |
| Switching Capacity | 960 Gbps |
| Forwarding Rate | 720 Mpps |
| Layer Support | Layer 2/Layer 3 |
| Management Ports | 1 × 10/100/1000 Mbps, 1 × RS-232, 2 × USB |
| Timing Port | 1-PPS timing port |
| Redundant Power | Dual hot-swappable supplies |
| Fans | 4 hot-swappable fans |
| MTU | Up to 9216 bytes (jumbo frames) |
| MAC Address Table | Up to 64,000 |
| IPv4 Routes | Up to 24,000 |
| VLANs | Up to 4096 |
| Dimensions (H × W × D) | ~1.72 × 17.3 × 18.38 in (43.9 × 46.7 cm) |
| Weight | ~17.4 lb (7.9 kg) |
| Operating Temp | 0 °C – 40 °C |
Typical Use Cases
High-performance data center leaf or aggregation switch
Virtualized server farms and storage networks
Low-latency trading and HPC environments
Enterprise cloud and backbone networks
Scalable Layer 2/3 fabrics with advanced routing and segmentation
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