C4KX-PWR-750AC-R 4500-X Power Supply (front-to-back airflow)

Cisco C4KX-PWR-750AC-R - 750W AC Power Supply (Reverse Airflow)

The Cisco C4KX-PWR-750AC-R is a field-replaceable AC power supply designed for Catalyst 4500-X Series fixed aggregation switches. It provides reliable power delivery with reverse airflow (back-to-front), making it ideal for deployments where airflow direction must align with data center cooling strategies.

🔧 Key Specifications

• Product Type: AC power supply module
• Power Capacity: 750W
• Airflow Direction: Reverse (back-to-front, “-R” model)
• Compatibility: Cisco Catalyst 4500-X Series switches
• Redundancy: Supports 1+1 redundant power supply configurations
• Hot-Swappable: Can be replaced without powering down the chassis
• Cooling: Integrated fan with airflow aligned to chassis design
• Input Voltage: 100-240V AC, 50/60 Hz

🧩 Ideal Use Cases

• Catalyst 4500-X aggregation switches in enterprise or campus core networks
• Data center deployments requiring reverse airflow for proper cooling alignment
• Environments needing redundant, hot-swappable power supplies for high availability

⚙️ Licensing & Expansion

• No software licensing required; hardware component only
• Can be paired with another C4KX-PWR-750AC-R or with the C4KX-PWR-750AC-F (front-to-back airflow) for redundancy
• Power supplies are ordered separately from the base chassis