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C4KX-PWR-750AC-F
750W AC BACK TO FRONT COOLING PWR SUPPLY FOR CAT4500X
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C4KX-PWR-750AC-F is a 750W ATX power supply engineered for high-performance applications, featuring a fully modular design and an 80 PLUS Gold certification that ensures excellent energy efficiency. It operates on an input voltage range of 100–240V and incorporates Active PFC to optimize power consumption while meeting modern performance standards.
This robust unit is equipped with a 135mm fan using dual ball bearings that deliver effective cooling with low noise levels. It provides comprehensive protection features including OCP, OVP, and SCP, and comes with a complete suite of connectors: 1 ATX 24-pin, 1 CPU EPS (4+4) pin, 2 PCIe (6+2) connectors, and 6 SATA power connectors with sleeved cables. Commonly used in gaming rigs, workstations, and enterprise server environments, it is built to offer reliable performance and long-term durability.
C4KX-PWR-750AC-F price is $509.88, a 76% saving from the Cisco list price of $2,124.47. C4KX-PWR-750AC-F is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C4KX-PWR-750AC-F for additional pricing. Browse the full Catalyst 4500 Power Supplies series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
 C4KX-PWR-750AC-F |  PWR-C45-1400AC |  C4KX-PWR-750AC-R/2 | |
|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 1400W | 750W |
| Use Case | Workstation / Gaming / Enterprise Server | Gaming / Workstation / Server | Gaming |
| Form Factor | ATX | ATX | ATX |
| Modularity | Modular | Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Platinum | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | UL |
| Remote Monitoring | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC |
| Fan Size | 135mm | 140mm | 120mm |
| Fan Bearing Type | Dual Ball | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes |
| Efficiency Rating | 94% | 92% | 90% |
| Protections | OCP, OVP, SCP | OCP / OVP / UVP / SCP / OTP / OPP | OCP / OVP / UVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | 4 | 2 |
| SATA Power Connectors | 6 | 8 | 6 |
| Molex Connectors | 3 | 4 | 3 |
| Floppy Connector | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C |
| Product Name | C4KX-PWR-750AC-F | PWR-C45-1400AC Power Supply | C4KX-PWR-750AC-R/2 |
| Height | 7.1 inches | 5.5 inches | 3.39 inches |
| Width | 3.4 inches | 5.9 inches | 5.91 inches |
| Depth | 5.9 inches | 7.1 inches | 7.09 inches |
| Weight | 4.6 lbs | 18 lbs | 9.7 lbs |
The 750W AC power supply delivers excellent performance. Cooling direction matches our airflow design perfectly, and reliability has been outstanding.
This power supply integrates seamlessly with our Catalyst 4500-X. It provides stable power and supports heavy switching workloads reliably.
We've had no issues since installing this unit. The C4KX-PWR-750AC-F is efficient, quiet, and dependable in production.
Strong and consistent power output. This supply has supported our switch during peak usage without any interruptions.
Excellent quality power supply. It fits perfectly and maintains steady performance in our enterprise switching environment.
The C4KX-PWR-750AC-F is a 750W AC, back-to-front cooling power supply specifically engineered for Cisco Catalyst 4500X switches, providing reliable, redundant power with hot-swap capability.
The C4KX-PWR-750AC-F is fully compatible with all Cisco Catalyst 4500X series chassis that support 750W AC back-to-front cooling power modules.
This power supply accepts 100–240 VAC at 50/60 Hz, automatically adjusting to global power standards without manual intervention.
Back-to-front cooling aligns airflow with Catalyst 4500X chassis design, optimizing thermal management, reducing dust ingress, and improving overall system reliability.