United States$5,000,000+
Inventory Delivered By
M
Martin Hughes
5
The 350W AC power supply has been reliable for our Catalyst 3K-X switch, handling daily workloads without issues.
C3KX-PWR-350WAC=
Catalyst 3K-X 350W AC Power Supply
FEATURED DEAL
Name:
C3KX-PWR-350WAC=
- Description:
- Catalyst 3K-X 350W AC Power Supply
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 191120035536
- Condition:
- 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
- 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
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C3KX-PWR-350WAC= |  C3KX-PWR-715WAC= |  C3KX-PWR-1100WAC/2 |  C3KX-PWR-440WDC= |  C3KX-PWR-350WAC/2 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 350W | 715W | 1100W | 450W | 350W |
| Use Case | Gaming / Workstation / General Use | Enterprise Server / Workstation / Gaming | Gaming / Workstation / General Use | Gaming | Gaming / Workstation / Enterprise Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Non-Modular | Semi-Modular | Modular | Non-Modular | Non-Modular |
| 80 PLUS Certification | 80 PLUS | Bronze | Platinum | Bronze | 80 PLUS |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL | CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | CE / FCC / UL / RoHS |
| Remote Monitoring | No | N/A | No | No | No |
| Input Voltage | 100–240V | 110–240V | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 135mm | 120mm | 80mm |
| Fan Bearing Type | Sleeve | Fluid Dynamic | Fluid Dynamic | Sleeve | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 87% | 92% | 94% | 87% | 85% |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / OTP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 2 | 1 | 1 |
| PCIe (6+2) Connectors | 1 | 3 | 4 | 1 | 1 |
| SATA Power Connectors | 4 | 6 | 8 | 4 | 4 |
| Molex Connectors | 2 | 4 | 4 | 2 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Sleeved | Sleeved | Flat | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 150,000 hours | 100,000 hours | 100,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C | 50°C | 40°C |
| Product Name | C3KX-PWR-350WAC= | C3KX-PWR-715WAC= | C3KX-PWR-1100WAC/2 | C3KX-PWR-440WDC= | C3KX-PWR-350WAC/2 |
| Height | 5 inches | 5.5 inches | 5.5 inches | 3.4 inches | 5.5 inches |
| Width | 6 inches | 6.3 inches | 6.3 inches | 5.5 inches | 5.9 inches |
| Depth | 10 inches | 5.9 inches | 5.4 inches | 5.9 inches | 6.3 inches |
| Weight | 4 lbs | 9.2 lbs | 18 lbs | 7 lbs | 4.6 lbs |
Reviews & Ratings
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
3
This unit provides steady power and has proven reliable in our branch office network.
N
Neil Patterson
4
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.