Hp J4839A 500 Watt Power Supply
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Hp J4839A 500 Watt Redundant Power Supply Refurbished

Availability: In Stock
Part Number#: J4839A
List Price was: $481.40
Your Price:
You Save: $274.40 (57% off)



Short Description:
J4839A 500 Watts Redundant Power Supply for Procurve GL/XL/VL Switch | Made by HP | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the HP J4839A 500-Watt Redundant Power Supply

The HP J4839A 500 Watt Redundant Power Supply is a crucial component in ensuring the reliability and availability of power for various networking and server systems. This robust power supply unit is designed to deliver consistent and efficient power to HP devices, offering redundancy to mitigate the risk of power failures and enhance overall system performance. In this detailed exploration, we will delve into the key features, specifications, benefits, and installation process of the HP J4839A, providing a comprehensive understanding of its significance in maintaining a stable and uninterrupted 500-watt power supply.

Key Features of HP J4839A 500 Watt Redundant Power Supply

Compact Design and Form Factor

One notable feature of the HP J4839A is its compact design, which allows it to fit seamlessly into various HP networking and server systems. The form factor of this power supply is optimized for space efficiency without compromising performance.

500 Watts of Power Capacity

The power supply is equipped with a robust 500-watt capacity, ensuring that it can meet the energy demands of the connected devices. This capacity is essential for supporting the diverse power requirements of modern servers and networking equipment.

Redundancy for Enhanced Reliability

A standout feature of the HP J4839A is its redundant power capabilities. Redundancy is critical in preventing system downtime due to power supply failures. The unit is designed to automatically switch to a backup power source in case of a primary power supply failure, thereby ensuring uninterrupted operation.

Compatibility with HP Devices

The HP J4839A is specifically designed to be compatible with a range of HP devices, including servers and networking equipment. This compatibility ensures seamless integration, allowing users to harness the full potential of their HP systems without concerns about power supply compatibility issues.

Hot-Swap Capability

Another noteworthy feature is the hot-swap capability of the HP J4839A. This allows users to replace or upgrade the power supply without shutting down the entire system. The hot-swap functionality adds a layer of convenience, reducing downtime during maintenance or upgrades.

Technical Specifications

Voltage and Current Ratings

The HP J4839A operates within specific voltage and current ranges to ensure optimal performance. Understanding these specifications is crucial for proper integration and operation. The power supply typically supports a range of voltages, providing flexibility in deployment scenarios.

Efficiency and Energy Conservation

Efficiency is a key consideration in power supplies, and the HP J4839A is designed with energy conservation in mind. The unit is engineered to operate with high efficiency, minimizing energy wastage and contributing to a greener and more sustainable IT infrastructure.

Temperature and Cooling

To maintain reliable performance, the HP J4839A is equipped with temperature and cooling management features. It is designed to operate within specified temperature ranges, and its cooling mechanisms ensure that the unit remains within optimal temperature limits even during extended operation.

Connectivity Options

The power supply offers various connectivity options to accommodate different devices and configurations. Understanding these options is essential for users looking to integrate the HP J4839A into their specific network or server setup.

Benefits of HP J4839A 500 Watt Redundant Power Supply

Enhanced System Reliability

One of the primary benefits of the HP J4839A is the enhanced reliability it brings to IT infrastructure. Redundant power supplies are instrumental in preventing disruptions caused by power failures, ensuring continuous operation, and minimizing the impact on critical business processes.

Minimized Downtime

The hot-swap capability of the HP J4839A significantly reduces downtime during maintenance or upgrades. This feature allows for the replacement of a power supply unit without shutting down the entire system, thereby minimizing disruptions and optimizing overall system availability.

Optimized Power Distribution

With a power capacity of 500 watts, the HP J4839A is well-suited for distributing power to multiple devices within a network or server setup. This optimized power distribution is crucial for meeting the diverse energy requirements of modern IT environments.

Compatibility with HP Ecosystem

Being specifically designed for compatibility with HP devices, the HP J4839A ensures a seamless integration process. Users can trust that the power supply is tailor-made for their HP servers and networking equipment, promoting interoperability and ease of use.

General Information about the HP J4839A
  • Manufacturer:
  • Part Number or SKU# J4839A
  • Product Type: Switching power supply
  • For Procurve Gl/xl/vl Switch

Finally, the HP J4839A 500 Watt Redundant Power Supply stands as a crucial component in the realm of IT infrastructure, providing enhanced reliability, minimized downtime, and optimized power distribution. With its compact design, compatibility with HP devices, and hot-swap capability, the HP J4839A addresses the evolving needs of modern data centers and networking environments. Understanding its key features, technical specifications, benefits, and installation process is vital for IT professionals and system administrators seeking to leverage the full potential of this power supply unit in their HP-powered ecosystems. As technology continues to advance, reliable power supplies like the HP J4839A play a pivotal role in ensuring the seamless operation of critical systems and applications.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

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.


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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?

The reason why our warranty does not cover any problem caused by the following conditions:

(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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Worldwide Shipping Options:

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Important notes:

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