Name: C4KX-PWR-750AC-F Cisco 750W AC Power Supply Back-to-Front Cooling for Catalyst 4500X
Brand: Cisco
SKU: C4KX-PWR-750AC-F
Price: 477.13 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Cisco C4KX-PWR-750AC-F power supply delivers 750 watts of AC power with a cooling design that directs airflow from back to front, matching the requirements of the Catalyst 4500X series switches. It fits into enterprise network racks where consistent power delivery and thermal management are essential for smooth switch operation.

General Information
Brand	Cisco
Part Number	C4KX-PWR-750AC-F
Product Type	Network Equipment Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	12 V DC
Max. Output Power	750W
Hot Swappable	Yes
Redundant Support	Yes
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail

Compatibility
Form Factor	Proprietary
Compatible For	Catalyst 4500X

Physical Characteristics
Weight	3.00

Certifications and Environmental
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Product Description
The Cisco 750-Watts AC Back to Front Cooling Power Supply is built to provide stable and efficient power for Catalyst 4500X switches. Often found in enterprise network environments, this power supply supports consistent operation of critical infrastructure hardware. Commonly used in data centers and large networking closets, it helps maintain optimal temperature by aligning airflow with chassis design. Network engineers and IT professionals rely on this power supply to ensure uptime and reliability for their Cisco switches. Key Features Delivers a steady 750 Watts to support demanding network loads Back-to-front cooling aligns with Catalyst 4500X airflow standards Designed exclusively for Cisco Catalyst 4500X chassis compatibility Facilitates efficient power usage to reduce heat generation Supports hot-swappable installation for easy maintenance This power supply is typically installed within enterprise-grade switches where high availability is crucial. Its cooling design plays a key role in maintaining operational temperatures within rack-mounted setups. By providing reliable power and optimized cooling, it helps prevent downtime and extends the lifespan of core networking equipment.

Use Cases
The Cisco C4KX-PWR-750AC-F power supply is typically deployed in enterprise network environments where Cisco Catalyst 4500X switches form the core of high-density, high-performance switching infrastructure. It is especially suited for data center racks and large campus networks requiring precise thermal management and consistent power delivery to maintain network uptime. How It's Used: Powering Catalyst 4500X switches in enterprise data centers supporting virtualization and cloud workloads. Enabling stable operation of core switching hardware in campus LANs with high port density and traffic demands. Providing reliable power in multi-rack setups where back-to-front airflow aligns with rack cooling strategies. Supporting edge computing deployments requiring robust power solutions within constrained rack spaces. Maintaining continuous operation in storage cluster environments relying on Catalyst 4500X for high throughput networking. By aligning power delivery with the Catalyst 4500X chassis cooling direction, this power supply helps maintain operational efficiency and thermal balance in complex network racks. Its design supports scalable network growth where power reliability and airflow management are critical to performance stability.