CISCO N540-PWR400-D Power Supply Nexus Switches 400W 5400

( Brand: Cisco ), ( Part Type: Switch Supply ), ( Manufacturer Part Number: N540-PWR400-D ), ( Country Of Origin: China )

Review CISCO Power Supply Nexus Series Switches

The Cisco N540-PWR-400 power supply is a high-performance, redundant power solution designed for Cisco Nexus 5400 Series Switches. This power supply offers a maximum output power of 400 watts, making it ideal for supporting the power needs of these data center switches.

The N540-PWR-400 power supply features a modular design with a compact form factor, allowing for easy installation and replacement. It is hot-pluggable, enabling you to add or remove power supplies without disrupting the switch's power supply or requiring a power cycle. This feature enhances system availability and reduces downtime.

This power supply utilizes Cisco's advanced technology to provide reliable and efficient power delivery. It includes over-temperature protection, over-voltage protection, and short-circuit protection to safeguard the switch from potential power-related issues. Additionally, it supports Cisco's EnergyWise technology, which enables power management and optimization to help reduce energy costs and improve energy efficiency.

The N540-PWR-400 power supply is designed to be compatible with various Cisco Nexus 5400 Series Switches, including the Nexus 5472PX, Nexus 5462R, and Nexus 5496P. It is a field-replaceable unit, which means that it can be easily installed and replaced by the customer or a field technician without requiring a service call.

This power supply comes with a limited lifetime warranty from Cisco, ensuring that you have peace of mind in your investment. It is also RoHS compliant, which means that it adheres to the European Union's Restriction of Hazardous Substances Directive, making it an environmentally friendly choice.

In summary, the Cisco N540-PWR-400 power supply is a reliable and efficient power solution for Cisco Nexus 5400 Series Switches. Its hot-pluggable design, advanced power protection features, compatibility with various switch models, and limited lifetime warranty make it a valuable investment for any data center environment.

Pros and Cons of Buying Cisco N540-PWR400-D 400W Power Supply for Nexus 5400 Switches

The Cisco N540-PWR400-D is a high-capacity power supply unit designed for Cisco Nexus 5400 series switches. This power supply provides an additional power capacity to support high-density, power-hungry network deployments. In this discussion, we will explore the potential advantages and disadvantages of purchasing this power supply.

1. Enhanced Redundancy: The Cisco N540-PWR400-D power supply offers an additional power source, increasing the overall redundancy of the Nexus 5400 switch setup. This can lead to improved system uptime and reduced downtime in case of power supply failures.

2. Energy Efficiency: The power supply unit is designed to be energy efficient, helping to reduce overall power consumption and operating costs. It also supports hot-swappable fans, which can help improve cooling efficiency and reduce the risk of fan failures.

3. Scalability: The Cisco N540-PWR400-D power supply can accommodate the power requirements of high-density configurations, allowing for greater scalability in terms of supporting more ports and higher bandwidths.

1. Cost: The Cisco N540-PWR400-D power supply is a premium product, and its cost may be a significant consideration for some organizations. When compared to the standard power supplies, the price difference can be substantial.

2. Complexity: Installing and managing an additional power supply unit can add complexity to the network environment. This may require additional training and resources to ensure proper configuration and maintenance.

3. Physical Space: The power supply unit requires additional physical space to be installed, which can be a concern for organizations with limited rack space or those looking to maximize their rack density.

The Cisco N540-PWR400-D power supply presents a compelling option for organizations with high-density Nexus 5400 switch deployments and a need for increased power capacity and redundancy. While it comes with a higher cost and added complexity, the benefits it provides in terms of enhanced reliability, energy efficiency, and scalability may outweigh the potential drawbacks for many organizations.

If your network environment requires high-density configurations, and you're looking to improve power capacity and redundancy, the Cisco N540-PWR400-D power supply is a strong recommendation. However, it is essential to weigh the potential benefits against the added cost and complexity before making a final decision. Carefully consider your specific use case and infrastructure requirements to determine if this power supply is the best fit for your organization.

Details:

Item Condition. Expect normal signs of use such as light scratches, scuffs, or cosmetic wear that do not affect performance unless noted in the listing. This item issued and has been previously handled.

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part #: n540pwr400 prices

• $54.14-$150.00

specifications strialpower:

• brand: Cisco
• part type: Switch Supply
• manufacturer part number: N540-PWR400-D
• country of origin: China

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• started: June 2, 2026

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• condition: Used
• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies

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• class: Standard

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