Cisco NXA-PAC-650W-PE= Power Supply

The Cisco NXA-PAC-650W-PE= is a 650W AC power supply unit developed for compatibility with Cisco Nexus 93180YC-EX switches. Designed to provide stable and continuous power, this module supports efficient energy delivery and helps maintain switch performance under typical data center and enterprise network loads. The unit comes in a grey housing that matches Cisco hardware aesthetics and is intended for use as a primary or redundant power source to improve uptime.

Advantages

This 650W power supply delivers consistent output suitable for high-density switching environments and supports built-in power management features of Cisco Nexus platforms. Its compact module form factor enables easy insertion and replacement without major downtime. The design emphasizes electrical stability and thermal considerations to ensure continued operation under sustained loads, contributing to overall system reliability and predictable performance.

Suitable for

• Powering Cisco Nexus 93180YC-EX switches in data center racks
• Providing redundant or spare power modules for high-availability network deployments
• Replacement of failed or aging power supplies in compatible Cisco equipment
• Use in environments requiring consistent power delivery and predictable thermal behavior

Key specifications

• Rated output power: 650 watts
• Form factor: hot-swappable modular AC power supply
• Color: grey housing
• Compatibility: designed for use with Nexus 93180YC-EX series switches
• Cooling: forced-air cooling compliant with Cisco chassis airflow

How to use

Install the power supply into the designated power bay of a compatible Cisco Nexus switch while the system is powered down or follow the manufacturer's hot-swap procedure if replacing a unit without interrupting operation. Ensure secure seating and that any retaining latches are engaged. Connect the AC power cord to a properly grounded power source that meets the voltage and frequency requirements specified by the switch platform. After installation, verify that the switch recognizes the module and monitor power and temperature status via the switch management interface or CLI.

Recommendations

For reliable operation, use this power supply in environments with appropriate rack ventilation and ambient temperature control. Maintain redundant power modules where high availability is required and schedule replacements or spares to minimize downtime. Always follow Cisco's operational and safety guidelines when installing or servicing the unit.