Cisco PWR-4460-650-AC Power Supply  Switching Power Supply
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PWR-4460-650-AC Cisco 650 Watt Redundant Power Supply Refurbished

Availability: In Stock
Part Number#: PWR-4460-650-AC
List Price was: $739.53
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Short Description:
PWR-4460-650-AC 650 Watt Redundant Power Supply For Integrated Services Router 4461 | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Performance and Reliability of Switching PSU

The PWR-4460-650-AC is a high-performance and reliable power supply unit manufactured by Cisco. It provides 650 watts of redundant power, ensuring that the connected devices receive consistent and uninterrupted power even in the event of a power outage.

In terms of performance, the PWR-4460-650-AC is designed with a high efficiency rating, meaning it uses less energy and generates less heat, thereby reducing energy costs and increasing system reliability. It also features an active power factor correction, which helps to improve the power utilization efficiency of the connected devices.

In terms of reliability, the PWR-4460-650-AC is built with robust components and tested under stringent conditions to ensure long-lasting and dependable operation. It also includes advanced thermal management, which helps to regulate the temperature and prevent overheating, further enhancing its reliability.

Installation and Setup of Power Supply

As a language model AI, I don't have physical access to the device, but here's a guide on how to install and set up the PWR-4460-650-AC Cisco 650 Watt Redundant Power Supply based on the product manual and other online sources.

  • Prepare the Environment: Before installing the power supply, make sure that the environment is safe, clean, and dry. The room temperature should be between 0°C and 40°C and the relative humidity should be less than 95%.
  • Unpack the Power Supply: Take the power supply out of its packaging and verify that the contents are complete and undamaged.
  • Install the Power Supply: Follow these steps to install the power supply:
  • Open the power supply bay door on the chassis.
  • Slide the power supply into the bay until it clicks into place.
  • Secure the power supply to the chassis by tightening the screws.
  • Connect the power cables to the power supply and to the power source.
  • Connect the Power Cable: Connect the power cable to the power source and to the power supply. Make sure that the power cable is securely fastened to the power supply and the power source.
  • Power On the System: Once the power cables are connected, power on the system and verify that the power supply is working correctly.
  • Verify the Operation: Use the appropriate software to verify that the power supply is functioning properly and that the system is running without any issues.

Troubleshooting and Maintenance

As a language model AI, I don't have personal experience with the Troubleshooting and Maintenance of PWR-4460-650-AC Cisco 650 Watt Redundant Power Supply, but here is some general information that might help:


  • Power supply failure: If the power supply is not working, the first step is to check if the AC voltage is present at the input. If there is no voltage, check the power cord and the circuit breaker.
  • Overheating: If the power supply is overheating, check the air vents and fan to make sure they are not clogged with dust or debris. Clean the air vents and replace the fan if necessary.
  • Power supply fan failure: If the power supply fan is not working, check if it is blocked by dust or debris. Clean the fan and replace it if necessary.
  • Overload: If the power supply is experiencing an overload, check if there are any devices connected to it that are drawing more power than it can handle. Remove the devices or connect them to a different power source.


  • Regular cleaning: Regularly clean the air vents and fan to prevent overheating and fan failure.
  • Regular inspection: Inspect the power supply regularly for any signs of damage or wear and tear.
  • Regular firmware updates: Check for firmware updates and upgrade the firmware if necessary to ensure optimal performance and security.
  • Regular power supply replacement: Replace the power supply every 3-5 years to ensure optimal performance and reliability.

Key Information about Cisco PWR-4460-650-AC 650 Watt DC Power Supply

  • Manufacturer: Cisco
  • Model Number or PWR-4460-650-AC

Technical Information of Cisco Switching Power Supply

  • Wattage : 650 Watt
  • Type : Redundant
  • Compatibility: For Integrated Services Router 4461

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Switching power supplies are not new inventions, first used in the 1970s. Today, they form the bulk of power supplies in the market for industrial and consumer use. As technology advances, the need for more efficient power supplies increases. The formerly famous linear power supplies cannot keep up with the new requirements, leading to the rise of switch-mode power supplies.

Efficient Thermal Management System

Power supplies generate a lot of heat in the conversion process. Not all the input AC power is converted to output DC power. The rest is lost in the form of heat, which increases the temperature inside a power supply. The switching power supplies have better thermal management, which prevents excess heating. So, they can perform well in many industrial applications.

High Efficiency

One of the reasons leading to the rise of switch mode power supply is the high efficiency. Apart from having an efficient thermal management system, the power conversion frequency is above 90%. With this high rate, you don't have to worry about power wastage even if the SMPs remain in constant operation. The saved power may not be significant for home applications, but industrial users can feel the relief on their utility bills.

Low-Cost and Long Service Life

Most of the electronic components in power supplies degrade at high temperatures. A switching power supply maintains optimal thermal conditions even if used continuously. This reduces the operating cost and lengthens the lifespan of the entire power supply unit. We can also say that you get a more reliable power supply that is not prone to hardware failure.

Low Weight and Ultimate Protection

The use of switching elements in a switch mode power supply reduces the weight of the entire unit. The size of the required transformer is also reduced. This property is ideal if manufacturing or shopping for a power supply for your portable device. These power supplies also show excellent protection properties. The protection circuitry offers short-circuit, overload, overvoltage, overcurrent, and overheating protection. They are safe for use under any conditions.

Power Factor Correction Mechanism

The ability of a switching power supply to correct power factor is on another level. The harmonics your equipment feeds back to a power system can see the authorities increasing your utility bills. Using switching power supplies takes you off the hook as the PF will always be within the permitted value.

What to Know When Shopping for a New Power Supply?

Busying a switch-mode power supply presents a challenge to many people. That is probably because of the many models and form factors available in the market today. To get it right, understand the power requirement of your system and the form factor of the power supply that will fit in the casing. You should not have any problems if you consider the power factor model.

Shop for the best power supplies at ALLHDD for a better experience. You will not have to worry about anything because we have a customer support team to help you make the right decision. Contact us in case of any queries.

Here, you can check more available conditions of your desired product PWR-4460-650-AC at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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