CISCO N540-PWR400-A Power Supply Ncs 400W

( Brand: Cisco ), ( Manufacturer Part Number: N540-PWR400-A ), ( Part Type: Supply ), ( Compatible Brand: For Cisco ), ( Unit Type: Unit ), ( Maximum Output Power: 400 W )

Review CISCO Power Supply Ncs 540

The Cisco N540-PWR400-A is a high-performance, redundant power supply unit designed for Cisco Nexus 5400 Series Switches. This power supply delivers a maximum output power of 400 watts and is hot-plug capable, allowing for maintenance and upgrades without disrupting network traffic.

The N540-PWR400-A power supply features a modular design with a compact form factor, making it easy to install and integrate into the Nexus 5400 Series Switch chassis. It comes with a built-in fan for efficient cooling, ensuring stable operation even under heavy network loads.

This power supply is designed to provide reliable power to the switch, ensuring optimal network performance. It features multiple power input connectors, allowing for redundancy and failover protection. In the event of a power supply failure, the switch can automatically switch to the redundant power supply, minimizing downtime.

The N540-PWR400-A power supply complies with various industry standards, including IEEE 519-1992 for voltage regulation and IEEE 594-1992 for voltage flicker. It also supports Cisco's EnergyWise technology, enabling power utilization monitoring and control for energy savings.

The power supply comes with a limited lifetime warranty from Cisco, ensuring peace of mind and protecting against any manufacturing defects. It is also RoHS compliant and meets various other environmental regulations, making it a sustainable choice for your network infrastructure.

Overall, the Cisco N540-PWR400-A power supply is a reliable, high-performance, and efficient solution for powering your Cisco Nexus 5400 Series Switch. Its modular design, redundancy capabilities, and energy-saving features make it an ideal choice for network administrators seeking to optimize their network infrastructure.

Cisco N540-PWR400-A Power Supply: A Detailed Analysis

The Cisco N540-PWR400-A is a 400W power supply unit designed for Cisco Nexus 5400 Series Switches. In this analysis, we will discuss the key advantages and disadvantages of this power supply to help you make an informed decision.

1. High Power Density: With a power output of 400W, this power supply is capable of delivering a significant amount of power, making it an ideal choice for large data center environments.

2. Redundant Design: The Cisco N540-PWR400-A power supply supports redundancy, which can help minimize downtime in case of a power supply failure.

3. Efficient Power Utilization: The power supply features high efficiency (up to 95%) and supports Cisco's EnergyWise technology, which enables power management and optimization.

4. Hot-Pluggable: The power supply is hot-pluggable, allowing for easy installation, replacement, and maintenance without disrupting network services.

1. Cost: The Cisco N540-PWR400-A power supply is a premium product and can be quite expensive compared to third-party alternatives.

2. Limited Compatibility: This power supply is specifically designed for use with Cisco Nexus 5400 Series Switches and is not compatible with other models or brands.

3. Limited Fan Control: The power supply does not offer advanced fan control options, which may be a concern for datacenter environments where precise temperature control is essential.

The Cisco N540-PWR400-A power supply offers several advantages, including high power density, redundancy, efficient power utilization, and hot-pluggability. However, it comes with some drawbacks, such as cost, limited compatibility, and limited fan control.

If you are operating a large data center environment with Cisco Nexus 5400 Series Switches and require a robust, high-performance power supply, the Cisco N540-PWR400-A could be an excellent choice. However, if you're looking for a more cost-effective option or require compatibility with other brands or models, you may want to consider alternative power supplies. Ultimately, the decision depends on your specific requirements and budget.

Details:

The CISCO N540-PWR400-A is a 400W power supply unit specifically designed for Cisco equipment. This product is compatible with various Cisco devices and ideal for enterprise networking setups.

part #: n540pwr400 prices

• $56.99-$90.00

specifications enteswitch:

• brand: Cisco
• mpn: N540-pwr400-a
• part type: Supply
• compatible brand: For Cisco
• unit type: Unit
• maximum output power: 400 W

general enteswitch:

• Enterprise Networking, Servers > Switches Hubs > Switch Power Supplies
• condition: Used

payments enteswitch:

• wallet: Paypal
• credit card: Diners-club
• other

offer enteswitch:

• availability: In Stock
• started: December 11, 2025
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0

returns enteswitch:

• paid by: Buyer
• time: 30 Days
• method: Money back
• policy: Returns Accepted

seller enteswitch:

• rating: 100.0%
• city: Somerville, New Jersey
• # reviews: 22

shipping enteswitch:

• cost: $0.00
• class: Economy
• service: USPS Media Mail
• carrier: USPS
• type: Fixed
• transit: 15-25 Days

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