Cisco C9K-PWR-650WAC-R=

Overview

The Cisco C9K-PWR-650WAC-R= is a 650 watt AC power supply module designed specifically for Catalyst 9500 Series switches. It delivers stable and efficient power with a 94 percent efficiency rating, helping to reduce energy costs and minimize heat generation within network racks. This power supply supports hot-plug and redundant configurations, allowing seamless maintenance without interrupting network operations.

Key features

• Provides 650 watts of reliable power to support high-performance Catalyst 9500 switches and their PoE requirements.
• Achieves 94 percent operating efficiency, lowering energy consumption and reducing heat buildup in network environments.
• Enables hot-plug capability so technicians can replace or add power supplies without shutting down the switch, ensuring continuous uptime.
• Supports redundant power configurations when paired with a second identical unit, allowing one supply to fail or be serviced without disrupting network traffic.
• Tool-free installation with a rear-mount design that locks securely in place, simplifying maintenance and reducing mean time to repair.
• Wide input voltage range (90 to 264 V AC) and IEC 60320 C14 connector ensure compatibility with standard power outlets worldwide.

Key specs

• Power capacity: 650 watts
• Efficiency rating: 94 percent
• Input voltage range: 90–264 V AC
• Power connector type: IEC 60320 C14
• Compatible switch models: Catalyst 9500 Series including C9500-24Y4C-10A and C9500-48Y4C-10E
• Installation: Rear hot-plug module, tool-free locking mechanism

Connectivity and compatibility

This power supply is designed to integrate seamlessly with Cisco Catalyst 9500 Series switches, supporting models that require high power delivery for both switching and PoE functions. Its wide input voltage range and standard IEC power connector make it suitable for use in diverse global network environments, from campus cores to branch offices and data center racks.

Performance and reliability

With a high efficiency rating and redundant power support, this module ensures consistent power delivery while minimizing energy waste and heat. The hot-plug design allows network administrators to perform maintenance or replace faulty units without causing downtime, which is critical for environments where continuous network availability is essential.

Ideal uses and environments

This power supply is well suited for enterprise networks that rely on Catalyst 9500 switches, particularly in settings where uptime is critical such as campus cores, branch offices, and top-of-rack deployments. It supports network setups that demand both robust switching performance and reliable PoE power budgets, making it a strong choice for IT teams focused on maintaining high availability and efficient power management.

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