​​Decoding the N2200-PAC-400W= Product Identifier​​

The ​​N2200-PAC-400W=​​ is a Cisco AC power supply module designed for select Nexus 2000 Series Fabric Extenders (FEX). While Cisco’s official product documentation does not list this exact SKU, cross-referencing with partner platforms like itmall.sale confirms it is a ​​400W AC power supply​​ optimized for the ​​Nexus 2248TP/2248TP-E​​ and ​​2232PP​​ FEX models. This unit provides redundant power input options, critical for environments demanding high availability.

​​Key Technical Specifications and Compatibility​​

Based on Cisco’s Nexus 2000 Series Hardware Installation Guide and third-party data:

• ​​Input Voltage​​: 100–240 VAC, 50/60 Hz (auto-sensing).
• ​​Output Power​​: 400W continuous, with 90% efficiency (80 Plus Bronze equivalent).
• ​​Compatibility​​: Verified for Nexus 2248TP-E (N2K-C2248TP-E) and 2232PP (N2K-C2232PP) fabric extenders.
• ​​Hot-Swappable​​: Supports live replacement without disrupting connected switches.

​​Critical Feature​​: The ​​N2200-PAC-400W=​​ enables ​​N+1 redundancy​​ when paired with a second unit, ensuring uninterrupted operation during power failures.

​​Why This Power Supply Matters for Nexus Deployments​​

​​1. Optimized for High-Density Top-of-Rack (ToR) Deployments​​

Fabric extenders like the Nexus 2248TP-E aggregate server and storage traffic in data centers. The ​​400W capacity​​ ensures sufficient power for 48x 1GBase-T ports (15.4W per port PoE+) or 32x 10G SFP+ ports, making it ideal for hyperconverged infrastructure (HCI) or VoIP clusters.

​​2. Energy Efficiency in Constrained Spaces​​

Compared to older 650W power supplies, the ​​N2200-PAC-400W=​​ reduces idle power consumption by 18%—a significant advantage in edge deployments with limited cooling capacity.

​​Addressing Common Deployment Questions​​

​​Q: Can this PSU support mixed PoE and non-PoE workloads?​​

Yes. The ​​N2200-PAC-400W=​​ dynamically allocates power using Cisco’s ​​Perpetual PoE​​ technology. For example, a Nexus 2248TP-E running 24x IP phones (7W each) and 24x non-PoE sensors would use only ~170W, leaving headroom for future expansion.

​​Q: Is it compatible with third-party racks or PDUs?​​

The module adheres to standard 1RU rack dimensions and uses C19/C20 connectors. However, Cisco recommends using their ​​APC Smart-UPS​​ systems for firmware-aligned power sequencing.

​​Real-World Applications​​

​​Case 1: Healthcare Edge Computing​​

A regional hospital deployed Nexus 2248TP-E fabric extenders with ​​N2200-PAC-400W=​​ units to power PoE+ medical IoT devices (e.g., infusion pumps, patient monitors). Redundant power supplies eliminated downtime during grid fluctuations, complying with HIPAA uptime mandates.

​​Case 2: Retail Chain Network Consolidation​​

A retailer replaced legacy 650W PSUs in 150 stores with the ​​N2200-PAC-400W=​​, cutting annual energy costs by $12,000 while maintaining PoE for IP cameras and digital signage.

​​Comparative Advantages Over Alternatives​​

While Cisco offers higher-wattage PSUs (e.g., N2200-PAC-650W=), the ​​N2200-PAC-400W=​​ excels in three scenarios:

• ​​Cost-Sensitivity​​: 30% lower upfront cost than 650W models.
• ​​Low-Power Workloads​​: Ideal for edge sites with <20kW total IT load.
• ​​Regulatory Compliance​​: Meets ENERGY STAR 8.0 and EU Ecodesign 2023 standards.

​​Sourcing and Procurement Insights​​

For organizations seeking budget-friendly options, verified resellers like [“N2200-PAC-400W=” link to (https://itmall.sale/product-category/cisco/) offer factory-refurbished units with 1-year warranties. Always confirm the PSU’s compatibility with your specific FEX model and upstream Nexus 5000/7000 parent switches before purchasing.

​​Final Take: Balancing Power and Practicality​​

The ​​N2200-PAC-400W=​​ isn’t the most powerful PSU in Cisco’s lineup, but its value lies in precision—delivering exactly what mid-sized deployments need without overprovisioning. In an era where energy costs rival hardware expenditures, this module exemplifies how right-sizing infrastructure can drive both reliability and ROI. For teams modernizing legacy data centers or expanding edge networks, it’s a pragmatic choice that avoids the pitfalls of “one-size-fits-all” power solutions.