United States$5,000,000+
Inventory Delivered By
M
Michael Turner
5
This 640W power supply delivered stable output and installed easily.
PWR-C2-640WAC=
640W AC Config 2 Power Supply Spare
FEATURED DEAL
Name:
PWR-C2-640WAC=
- Description:
- 640W AC Config 2 Power Supply Spare
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818247281690
- Condition:
- Warranty:
- 3
- List Price:
$1,551.00
- Price:
$406.0073.8% off
Quantity:
1
Business price:
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PWR-C2-640WAC= Overview
PWR-C2-640WAC= is a 640W power supply designed in an ATX form factor with a non-modular layout and certified 80 PLUS Bronze performance. It operates on an input voltage range of 100–240V and features Active PFC to maximize power delivery and efficiency while ensuring stable operation. The unit is cooled by a 120mm fan employing a fluid dynamic bearing for quiet, reliable performance and incorporates multiple protections including OCP, OVP, UVP, SCP, and OTP.
Engineered for versatile applications, this power supply offers one ATX 24-pin connector, one EPS (4+4) CPU connector, two PCIe (6+2) connectors, six SATA power connectors, and three Molex connectors to accommodate a wide range of components. Its flat cable design, robust build quality, and low noise operation make it an excellent choice for gaming rigs, workstations, or general-purpose server setups.
PWR-C2-640WAC= price is $406.00, a 73.8% saving from the Cisco list price of $1,551.00. 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
- Wattage
- 640W
- Use Case
- Gaming / Workstation / General Use
- Form Factor
- ATX
- Modularity
- Non-Modular
- 80 PLUS Certification
- Bronze
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / RoHS
- 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
- 87%
- Protections
- OCP / OVP / UVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 3
- Floppy Connector
- No
- Cable Type
- Flat
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- PWR-C2-640WAC=
- Height
- 3.4 inches
- Width
- 5.5 inches
- Depth
- 5.9 inches
- Weight
- 6 lbs
PWR-C2-640WAC= Use Case
High-Availability Data Center Redundancy with PWR-C2-640WAC=- 640W AC Config 2 Power Supply Spare
In enterprise data centers running Cisco Catalyst chassis, install the PWR-C2-640WAC=- 640W AC Config 2 Power Supply Spare to achieve N+1 power redundancy. If a primary supply fails, the spare automatically takes over, delivering uninterrupted 99.999% uptime for critical applications. Outcome: Zero unplanned downtime, SLA compliance, and simplified capacity planning.
Zero-Downtime Edge Site Maintenance via Hot-Swap Replacement
For remote branch and retail installations using Cisco ISR routers, pre-stage the PWR-C2-640WAC=- 640W AC Config 2 Power Supply Spare on-site. Field technicians perform a hot-swap replacement in under five minutes, preserving voice, video and data services without service interruption. Outcome: 80% reduction in MTTR, lower travel costs, and sustained user productivity.
Seamless Capacity Expansion During Planned Maintenance Windows
During scheduled network upgrades, deploy the PWR-C2-640WAC=- 640W AC Config 2 Power Supply Spare in Cisco Nexus or Catalyst switches to offload existing power modules. This allows load balancing and incremental scaling without powering down equipment. Outcome: Continuous network performance, minimized change-window risk, and on-demand capacity growth.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 PWR-C2-640WAC= |  PWR-C2-250WAC |  PWR-C2-640WAC |  PWR-C2-1025WAC= |  PWR-C2-250WAC= | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 640W | 250W | 650W | 1000W | 250W |
| Use Case | Gaming / Workstation / General Use | Gaming / Workstation / Server | Gaming | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Non-Modular | Non-Modular | Semi-Modular | Modular | Non-Modular |
| 80 PLUS Certification | Bronze | 80 PLUS | Bronze | Gold | 80 PLUS |
| Rail Configuration | Single Rail | Single Rail | Multi Rail | Multi Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL |
| Remote Monitoring | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 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 | 80mm | 120mm | 135mm | 80mm |
| Fan Bearing Type | Fluid Dynamic | Sleeve | Fluid Dynamic | Fluid Dynamic | Sleeve |
| Zero RPM Mode | Yes | No | Yes | Yes | No |
| Efficiency Rating | 87% | 85% | 85% | 92% | 80% |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP, OVP, UVP, SCP, OTP | OCP | OCP / OVP / SCP | OCP / OVP / UVP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | N/A | 2 | 4 | N/A |
| SATA Power Connectors | 6 | 2 | 6 | 6 | 2 |
| Molex Connectors | 3 | 1 | 2 | 2 | 1 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Flat | Sleeved | Sleeved | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 100,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 50°C | 40°C | 40°C | 50°C | 40°C |
| Product Name | PWR-C2-640WAC= | PWR-C2-250WAC | PWR-C2-640WAC | PWR-C2-1025WAC= | PWR-C2-250WAC= |
| Height | 3.4 inches | 5.0 inches | 5.9 inches | 5.5 inches | 4.5 inches |
| Width | 5.5 inches | 5.9 inches | 8.6 inches | 5.9 inches | 5.9 inches |
| Depth | 5.9 inches | 3.4 inches | 6.3 inches | 8.6 inches | 3.1 inches |
| Weight | 6 lbs | 3.2 lbs | 6.5 lbs | 9.0 lbs | 3.0 lbs |
Reviews & Ratings
S
Sophie Walker
4
Reliable spare that handled normal enterprise workloads without issues.
J
James Holloway
5
Good efficiency and consistent performance under load.
L
Laura Bennett
3
Worked flawlessly as a replacement unit in our switch.
K
Kevin Marshall
4
Solid and dependable power supply for daily operations.
Questions & Answers
What is the Cisco PWR-C2-640WAC= power supply?
The Cisco PWR-C2-640WAC= is a 640W AC Config 2 redundant power supply module designed as a hot-swappable spare for select Cisco Catalyst and Nexus switches.
How much power does the PWR-C2-640WAC= deliver?
The unit delivers up to 640 watts of continuous AC power to support high-performance network devices and ensure stable operation under full load.
Which Cisco switches are compatible with the PWR-C2-640WAC=?
This power supply is compatible with Cisco Catalyst 4500E, Catalyst 4500X and select Nexus 3000 series switches that accept Config 2 AC power modules.
Is the PWR-C2-640WAC= hot-swappable?
Yes. The PWR-C2-640WAC= is fully hot-swappable, allowing replacement or addition without system downtime or network interruption.