Cisco AC Power Supply Catalyst 3K-X 715W (C3KX-PWR-715WAC) - Reliable

In this review of the Cisco AC Power Supply Catalyst 3K-X 715W (C3KX-PWR-715WAC) the bottom line is simple: this is a focused replacement power module for administrators who need a compact, compatible, and dependable supply for Cisco Catalyst 3750 X and 3560 X class deployments. The reviewer found it most valuable where redundancy or field replacement is required, because it provides the expected power capacity and form factor without introducing configuration changes. For network teams maintaining legacy Catalyst stacks, the unit earns its place by delivering straightforward, OEM-compatible power.

Key Features

• Compatible Design: Built as a system power device compatible with Catalyst 3750 X and 3560 X switch families to simplify field swaps and reduce downtime.
• 715W Output: Provides substantial wattage suitable for many PoE+ and nonPoE deployments where the chassis supports this form factor.
• Compact Packaging: The listed package dimensions indicate a compact module that is easy to ship and handle during service visits.
• Lightweight: At about 1.0 lbs package weight, the power supply is easy to move and install without special lifting or handling equipment.
• Manufactured Origin: Produced in China, allowing predictable sourcing and replacement availability for network maintenance inventories.

Who It's For

This power supply is for network administrators and IT teams that operate Cisco Catalyst 3750 X or 3560 X switches and need a direct replacement or a spare for redundancy. It suits environments where quick hardware swaps are required to restore switch uptime, including branch offices, wiring closets, and small data centers running legacy Catalyst platforms.

It is not aimed at buyers seeking a universal or multi-vendor power module, nor for installers who require external transformers or nonstandard power configurations. Organizations moving to newer switch families should instead specify the vendor parts matching current platforms rather than this legacy module.

Pros & Cons

Pros

• OEM-compatible form factor makes onsite replacement quick and reduces configuration risk.
• Substantial 715W capacity supports typical PoE+ and non-PoE deployments in Catalyst chassis.
• Compact and lightweight packaging eases logistics for spare parts management.

Cons

• Intended for specific Catalyst models only, so it is not a universal power supply for newer switch series.

Specifications

Product Type	SYSTEM POWER DEVICE
Model	C3KX-PWR-715WAC
Wattage	715W
Compatible Switch Families	Catalyst 3750 X and 3560 X
Package Dimensions	41.910 cm L x 13.97 cm W x 11.684 cm H
Package Weight	1.0 lbs
Country of Origin	China

Our Verdict

The Cisco AC Power Supply Catalyst 3K-X 715W is a pragmatic buy for teams maintaining Catalyst 3750 X and 3560 X switches because it offers correct form factor, adequate power, and easy field replacement. For legacy environments that value uptime and straightforward spare management, it represents solid value; buyers moving to newer platforms should seek the corresponding modern power modules instead.

Frequently Asked Questions

Is this power supply compatible with Catalyst 3750 X switches?
Yes. The product is designed as a system power device compatible with Catalyst 3750 X and 3560 X series switches.

What is the power output of this module?
The unit provides a 715W power output suitable for many PoE+ and nonPoE configurations supported by the chassis.

Where is this power supply manufactured?
The listed country of origin for this power supply is China.