Cisco Nexus 9000 Series: N9K-C9372PX-E – High-Performance Data Center Switch with PoE+ Support

Jun 12 , 2025 7

Cisco Nexus 9000 Series: N9K-C9372PX-E – High-Performance Data Center Switch with PoE+ Support

Product Overview
The Cisco N9K-C9372PX-E is a 1RU fixed-configuration switch designed for modern data center and enterprise edge deployments requiring Power over Ethernet (PoE+) capabilities. This versatile switch combines high-performance switching with power delivery, making it ideal for converged IP and power networks.

Key Features & Specifications

• Port Configuration:

• 48x 10/100/1000BASE-T PoE+ ports (30W per port)

• 6x 40/100G QSFP28 uplink ports

• 2x 1G/10G management ports

• Switching Capacity: 1.8Tbps (full duplex)

• Forwarding Rate: 1.35B packets per second

• PoE Budget: 740W total (with 2000W power supply option)

• Latency: <3μs (store-and-forward mode)

• Advanced Capabilities:

• IEEE 802.3bt (PoE++) ready

• Hardware-accelerated QoS for voice/video

• Cisco TrustSec security

• EnergyWise power management

• Embedded telemetry with 1ms granularity

Use Cases
✔ Unified Communications: IP phone and video endpoint connectivity
✔ Smart Buildings: IoT device power and connectivity
✔ Retail Environments: POS systems and digital signage
✔ Healthcare Networks: Medical device connectivity
✔ Education Campuses: Classroom technology infrastructure

Next-Generation Successor: N9K-C9396PX-FX (Projected 2025 Release)

Evolutionary Improvements

Strategic Advantages of Next-Gen Model

1. Ultra PoE Support: 90W per port (IEEE 802.3bt)

2. AI-Powered Energy Management: Predictive power allocation

3. Multi-Gigabit Ready: 2.5G/5G/10G auto-negotiation

4. Deterministic Networking: <1ms latency guaranteed

5. Sustainable Design: 30% lower carbon footprint

Migration Recommendations

1. Current Deployments: N9K-C9372PX-E remains optimal for 1G PoE environments

2. Future Planning: N9K-C9396PX-FX for next-gen high-power applications

3. Performance-Sensitive Apps: Prioritize upgrade for 4K/8K video

4. Hybrid Environments: Maintain compatibility during transition

5. Sustainability Goals: Leverage new model's energy efficiency features

Conclusion
The N9K-C9372PX-E delivers exceptional value for today's power-enabled networks, while the N9K-C9396PX-FX will address tomorrow's challenges with:

• 4x greater port capacity

• AI-optimized power management

• Multi-gigabit connectivity

• Ultra PoE capabilities

• Enhanced sustainability

Alternative Title Options

1. "Cisco's PoE Switching Evolution: From 1G to Multi-Gigabit"

2. "The Future of Powered Networking: Cisco's N9K-C9372PX-E Successor"

3. "AI-Ready PoE Switching: Cisco's Next-Gen Portfolio"

4. "Sustainable Power over Ethernet: Cisco's Path to 1800W"