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C3KX-PWR-350WAC
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Ready to Ship
Catalyst 3K-X 350W AC Power Supply
FEATURED DEAL
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
C3KX-PWR-350WAC
- Description:
- Catalyst 3K-X 350W AC Power Supply
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0191120035536
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$581.70
- Price:
$215.2363% off
Quantity:
1
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C3KX-PWR-350WAC Overview
C3KX-PWR-350WAC is a 350W, non-modular ATX power supply that comes with an 80 PLUS certification, designed to operate on an input voltage range of 100–240V while featuring Active PFC for improved power management. The unit is equipped with a 120mm fan using a sleeve bearing design and offers robust protection mechanisms including OCP, OVP, and SCP, along with a complete set of connectors such as a 24-pin ATX, a 4+4-pin EPS connector, SATA power connections, and additional Molex ports.
Built with solid construction to ensure durability and a stable performance under varying loads, the C3KX-PWR-350WAC delivers an efficiency rating of 87% along with flat, neatly routed cables that promote both aesthetics and ease of cable management. Its low noise levels and reliable operation make it an ideal choice for gaming setups, workstations, and general-purpose systems where performance and quiet operation are key.
C3KX-PWR-350WAC price is $215.23, a 63% saving from the Cisco list price of $581.70. C3KX-PWR-350WAC is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C3KX-PWR-350WAC for additional pricing. Browse the full Spare Power Supplies And Fan For Catalyst 3750-X Series series or explore all Cisco products.
C3KX-PWR-350WAC Specifications
- Product Type
- Power Supply
- Brand
- Cisco
- Wattage
- 350W
- Use Case
- Gaming / Workstation / General Use
- Form Factor
- ATX
- Modularity
- Non-Modular
- 80 PLUS Certification
- 80 PLUS
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / UL
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Sleeve
- Zero RPM Mode
- Yes
- Efficiency Rating
- 87%
- Protections
- OCP / OVP / SCP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 1
- SATA Power Connectors
- 4
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Flat
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 100,000 hours
- Operating Temperature
- 40°C
- Product Name
- C3KX-PWR-350WAC
- Height
- 5 inches
- Width
- 6 inches
- Depth
- 10 inches
- Weight
- 4 lbs
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Product Comparison Table 
| C3KX-PWR-350WAC |  C3KX-PWR-715WAC |  C3KX-PWR-440WDC | |
|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply |
| Wattage | 350W | 715W | 450W |
| Use Case | Gaming / Workstation / General Use | Enterprise Server / Workstation / Gaming | Gaming |
| Form Factor | ATX | ATX | ATX |
| Modularity | Non-Modular | Semi-Modular | Non-Modular |
| 80 PLUS Certification | 80 PLUS | Bronze | Bronze |
| Rail Configuration | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL | CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / ROHS |
| Input Voltage | 100–240V | 110–240V | 100–240V |
| Hot-Swap Capable | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 120mm |
| Fan Bearing Type | Sleeve | Fluid Dynamic | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes |
| Efficiency Rating | 87% | 92% | 87% |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 1 | 3 | 1 |
| SATA Power Connectors | 4 | 6 | 4 |
| Molex Connectors | 2 | 4 | 2 |
| Floppy Connector | No | No | No |
| Cable Type | Flat | Sleeved | Flat |
| RGB Lighting | No | No | No |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C |
| Product Name | C3KX-PWR-350WAC | C3KX-PWR-715WAC | C3KX-PWR-440WDC |
| Height | 5 inches | 5.5 inches | 3.4 inches |
| Width | 6 inches | 6.3 inches | 5.5 inches |
| Depth | 10 inches | 5.9 inches | 5.9 inches |
| Weight | 4 lbs | 9.2 lbs | 7 lbs |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Martin Hughes
5
The 350W AC power supply has been reliable for our Catalyst 3K-X switch, handling daily workloads without issues.
A
Ayesha Malik
4
Easy to install and dependable. This power supply delivers stable performance for our access layer.
R
Ronald Pierce
5
A solid power option for lighter deployments. It has worked consistently since installation.
B
Bethany Clark
5
This unit provides steady power and has proven reliable in our branch office network.
N
Neil Patterson
5
Good build quality and consistent output. It meets expectations for enterprise switching.
Questions & Answers
What is the Cisco Catalyst 3K-X 350W AC Power Supply (SKU: C3KX-PWR-350WAC)?
The Catalyst 3K-X 350W AC Power Supply (C3KX-PWR-350WAC) delivers 350 W of reliable AC power for Cisco Catalyst 3000-X series switches, ensuring optimal performance and high availability.
Which Cisco Catalyst 3000-X series switches support the C3KX-PWR-350WAC?
The C3KX-PWR-350WAC is fully compatible with Cisco Catalyst 3650-X and 3850-X series switches equipped with an AC power module bay.
What is the input voltage range for the Catalyst 3K-X 350W AC Power Supply?
This power supply accepts a universal AC input of 100–240 VAC at 50–60 Hz, supporting global installation without manual reconfiguration.
What is the output power rating of the Catalyst 3K-X 350W AC Power Supply?
The C3KX-PWR-350WAC provides a continuous 350 W DC output, delivering up to 29 A at 12 V for connected Cisco Catalyst switches.
Is the Cisco Catalyst 3K-X 350W AC Power Supply hot-swappable and redundant?
Yes. The Catalyst 3K-X 350W AC Power Supply supports hot-swap installation and N+1 redundancy when paired with a second module for uninterrupted operation.
How do I install the Catalyst 3K-X 350W AC Power Supply in my switch?
To install, slide the C3KX-PWR-350WAC module into the power bay until it clicks, then tighten the release latch; no tools or additional brackets are required.
Does the Catalyst 3K-X 350W AC Power Supply support redundant power configurations?
Yes. When two C3KX-PWR-350WAC units are installed, the switch automatically balances power load and provides seamless failover in case of a module fault.
What safety and compliance certifications does the C3KX-PWR-350WAC hold?
The Catalyst 3K-X 350W AC Power Supply is UL, CE and FCC certified and complies with RoHS and REACH environmental directives.
What are the physical dimensions and weight of the Catalyst 3K-X 350W AC Power Supply?
The module measures 3.5 in. (W) × 2 in. (H) × 8 in. (D) and weighs approximately 2.5 lbs (1.13 kg), fitting standard Catalyst 3000-X chassis power slots.
What is the operating temperature range for the Catalyst 3K-X 350W AC Power Supply?
This power supply operates reliably between 0 °C and 40 °C (32 °F to 104 °F) with a maximum relative humidity of 95% (non-condensing).
Are additional cables or accessories required to use the C3KX-PWR-350WAC?
No. The Catalyst 3K-X 350W AC Power Supply includes an integrated AC input connector; only a standard IEC C13 power cord is needed.
Can I replace my existing AC power supply with the C3KX-PWR-350WAC?
Yes. Ensure your switch has an available AC module bay and that firmware is up to date; then slide in the C3KX-PWR-350WAC for direct replacement.
What are the key benefits of using the Catalyst 3K-X 350W AC Power Supply?
Key benefits include hot-swappable redundancy, universal input voltage, high energy efficiency, and seamless integration with Cisco Catalyst 3000-X switches.
Where can I purchase the Catalyst 3K-X 350W AC Power Supply (C3KX-PWR-350WAC)?
The module is available through Cisco authorized resellers, the Cisco online store, and major network hardware distributors worldwide.
What warranty coverage does Cisco offer for the Catalyst 3K-X 350W AC Power Supply?
Cisco provides a one-year limited hardware warranty for the C3KX-PWR-350WAC, which can be extended with Cisco SMARTnet service contracts.
How can I troubleshoot common issues with the Catalyst 3K-X 350W AC Power Supply?
Verify AC source voltage, inspect LED status indicators, reseat the module, and consult the Cisco Catalyst Hardware Installation and Troubleshooting Guide for detailed steps.