United States$5,000,000+
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George Wilson
5
Installed easily and provided steady power output.
PWR-C2-640WAC
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640W AC Config 2 Power Supply
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Name:
PWR-C2-640WAC
- Description:
- 640W AC Config 2 Power Supply
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818216448246
- Condition:
- Warranty:
- 3
- List Price:
$1,136.83
- Price:
$397.8965% off
Quantity:
1
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PWR-C2-640WAC Overview
PWR-C2-640WAC is a 640W power supply built to deliver reliable performance for high-end gaming and workstation setups. It offers a semi-modular design in an ATX form factor, is 80 PLUS Bronze certified for efficient energy usage, accepts a 100–240V input voltage, and features active PFC to enhance power conversion efficiency.
This unit is equipped with a 120mm fan using fluid dynamic bearings that support zero RPM mode for a quieter operation under low loads. It also provides essential protection through OCP and includes a comprehensive set of connectors such as one ATX 24-Pin, one EPS 4+4 Pin, two PCIe 6+2, six SATA power, and two Molex connectors, ensuring robust build quality for demanding applications.
PWR-C2-640WAC price is $397.89, a 65% saving from the Cisco list price of $1,136.83. PWR-C2-640WAC is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PWR-C2-640WAC for additional pricing. Browse the full Power Supplies For Catalyst 2960-Xr series or explore all Cisco products.
PWR-C2-640WAC Specifications
- Product Type
- Power Supply
- Brand
- Cisco
- Wattage
- 650W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Semi-Modular
- 80 PLUS Certification
- Bronze
- Rail Configuration
- Multi Rail
- Certifications
- 80 PLUS
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 85%
- Protections
- OCP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 100,000 hours
- Operating Temperature
- 40°C
- Product Name
- PWR-C2-640WAC
- Height
- 5.9 inches
- Width
- 8.6 inches
- Depth
- 6.3 inches
- Weight
- 6.5 lbs
PWR-C2-640WAC Use Case
Data Center Core Network Redundancy
In high-density data center environments, dual PWR-C2-640WAC-640W AC Config 2 Power Supplies are installed on core switches (e.g., Cisco Catalyst 9500 series) to provide N+1 redundancy and seamless failover. This configuration ensures continuous operations, maximizes network uptime (99.999% SLA), and enables hot-swappable maintenance without service disruption.
Remote Branch Office Uptime Assurance
For distributed branch offices, IT teams deploy the PWR-C2-640WAC-640W AC Config 2 Power Supply on ISR routers to eliminate single points of failure and simplify on-site maintenance. The result is improved business continuity, a 50% reduction in emergency service calls, and consistent connectivity for critical applications.
Industrial Control System Power Resilience
In manufacturing and automation sites, the PWR-C2-640WAC-640W AC Config 2 Power Supply powers ruggedized switches that drive PLCs and SCADA networks, while built-in surge protection guards against voltage spikes. This solution minimizes unplanned production downtime, safeguards sensitive control hardware, and supports compliance with industrial availability standards.
Quality Certifications
Product Comparison Table 
| PWR-C2-640WAC |  PWR-C2-1025WAC | |
|---|---|---|
| Product Type | Power Supply | Power Supply |
| Wattage | 650W | 1025W |
| Use Case | Gaming | Workstation / Gaming |
| Form Factor | ATX | ATX |
| Modularity | Semi-Modular | Semi-Modular |
| 80 PLUS Certification | Bronze | Gold |
| Rail Configuration | Multi Rail | Single Rail |
| Certifications | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No |
| Input Voltage | 100–240V | 100–240V |
| Hot-Swap Capable | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes |
| Efficiency Rating | 85% | 92% |
| Protections | OCP | OCP / OVP / UVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 |
| PCIe (6+2) Connectors | 2 | 4 |
| SATA Power Connectors | 6 | 8 |
| Molex Connectors | 2 | 2 |
| Floppy Connector | No | No |
| Cable Type | Sleeved | Sleeved |
| RGB Lighting | No | No |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours |
| Operating Temperature | 40°C | 55°C |
| Product Name | PWR-C2-640WAC | PWR-C2-1025WAC 1025W Semi-Modular ATX Power Supply |
| Height | 5.9 inches | 5.5 inches |
| Width | 8.6 inches | 6.3 inches |
| Depth | 6.3 inches | 9.8 inches |
| Weight | 6.5 lbs | 11 lbs |
Reviews & Ratings
N
Nina Kovac
5
Good balance of efficiency and reliability.
A
Anthony Russo
5
Worked perfectly as a spare power supply.
I
Isabel Torres
5
No power related issues after deployment.
M
Mark Ellison
5
Dependable unit for everyday enterprise use.
Questions & Answers
What is the PWR-C2-640WAC 640W AC Config 2 power supply?
The PWR-C2-640WAC is a 640-watt, AC-powered, Config 2 modular power supply designed to deliver reliable power to enterprise network switches and routers.
Which devices are compatible with the PWR-C2-640WAC 640W AC Config 2 power supply?
The PWR-C2-640WAC is compatible with select Cisco Catalyst and ISR series switches and routers that support Config 2 AC power modules.
What input voltage range does the PWR-C2-640WAC support?
The PWR-C2-640WAC accepts a wide input voltage range from 100 V to 240 V AC at 50–60 Hz for global deployment.
What are the efficiency ratings of the PWR-C2-640WAC power supply?
The PWR-C2-640WAC meets 80 PLUS Platinum efficiency standards, ensuring up to 94 % energy efficiency under typical load conditions.
Does the PWR-C2-640WAC support hot swapping?
Yes. The PWR-C2-640WAC supports hot swapping, allowing you to replace or install the power supply without shutting down the system.
Is the PWR-C2-640WAC power supply rack-mountable?
The PWR-C2-640WAC installs directly into compatible chassis or rack-mountable devices that accept Config 2 power modules; no separate rack tray is required.
What are the physical dimensions and weight of the PWR-C2-640WAC?
The PWR-C2-640WAC measures approximately 8.5 × 3.2 × 4.0 inches (215 × 82 × 102 mm) and weighs 3.2 lb (1.45 kg).
What operating temperature and humidity ranges does the PWR-C2-640WAC support?
The PWR-C2-640WAC operates in environments from 0 °C to 40 °C with relative humidity between 5 % and 90 % non-condensing.
What safety and regulatory certifications does the PWR-C2-640WAC hold?
The PWR-C2-640WAC is UL, CE, FCC, and CB certified and meets RoHS and WEEE environmental compliance requirements.
Does the PWR-C2-640WAC include status indicators or alarms?
Yes. The PWR-C2-640WAC features front-panel LEDs for AC input presence, power OK, and fault status reporting.
Can the PWR-C2-640WAC be used in redundant power configurations?
Yes. You can install two PWR-C2-640WAC modules in compatible chassis to achieve 1+1 power redundancy.
How do I install the PWR-C2-640WAC in my device?
To install, power down the chassis (unless hot-swap capable), insert the PWR-C2-640WAC into the designated slot until it clicks, then restore AC power.
What warranty covers the PWR-C2-640WAC 640W AC Config 2 power supply?
The PWR-C2-640WAC comes with a limited lifetime warranty when purchased through authorized Cisco channels.
How do I replace a faulty PWR-C2-640WAC unit?
Power down the device (or hot-swap if supported), remove the faulty module by pressing the release latch, then insert the replacement PWR-C2-640WAC.
What cooling and noise specifications apply to the PWR-C2-640WAC?
The PWR-C2-640WAC uses an internal variable‐speed fan to maintain optimal temperatures, with noise levels under 45 dBA at full load.
Where can I purchase genuine PWR-C2-640WAC power supplies?
Genuine PWR-C2-640WAC units are available through Cisco authorized resellers, distributors, and the official Cisco online store.