HP QW939A#ABA Sn3000b Power Supply
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Why QW939A#ABA HP Sn3000b Optional Power New is the best?

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Part Number#: QW939A#ABA
List Price was: $848.03
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Short Description:
QW939A#ABA SN3000B Optional Power Supply unit (PSU) for Servers | Made by HP | Brand New 3 Years Warranty

Interface Types of This Product: Switching PSU

Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring HP Switching PSU Power Supply features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the QW939A#ABA model with compatibility.

High-Density Networking

High-density networking refers to the ability to support a large number of network devices, such as servers, switches, and storage systems, in a small physical space. This is achieved by using high-density networking equipment, such as switches and routers, that are specifically designed to support a large number of network connections in a compact form factor.

High-density networking is important for organizations that have limited physical space, such as data centers, to support their network infrastructure. By using high-density networking equipment, organizations can support a large number of network devices in a small physical space, which reduces the overall cost and complexity of their network infrastructure.

High-density networking equipment typically uses technologies such as virtualization, software-defined networking (SDN), and network functions virtualization (NFV) to support a large number of network devices. These technologies allow organizations to create a highly-virtualized and automated network infrastructure that can support a large number of network devices.

Additionally, High-density networking allows organizations to support a large number of users and devices, such as smartphones, tablets, and IoT devices. This allows organizations to support the growing number of devices and users that are connecting to their network, and to provide a better user experience for their customers and employees.

Seamless Integration with HPE SANs

Seamless integration with HPE SANs (Storage Area Networks) refers to the ability of a network device, such as a switch or a power supply, to easily connect and communicate with HPE storage devices, such as storage arrays and storage switches, without the need for additional configuration or setup. This allows for the smooth and efficient operation of the storage network and enables the organization to easily manage, monitor and scale their storage infrastructure.

One of the benefits of seamless integration is that it allows for the efficient use of resources. For example, if the switch and the storage devices are seamlessly integrated, the switch can automatically recognize and configure the storage devices, which reduces the time and effort required to set up and configure the storage network. This can improve the efficiency of the IT staff and reduce the risk of errors or downtime.

Additionally, Seamless integration allows for better monitoring and management of the storage network. For example, if the switch and the storage devices are seamlessly integrated, the switch can provide detailed information about the storage devices, such as their status, capacity, and performance. This can help the IT staff to quickly identify and resolve any issues with the storage network.

Moreover, Seamless integration enables the organization to easily scale their storage infrastructure. For example, if the switch and the storage devices are seamlessly integrated, the organization can easily add more storage devices to the network, without the need for additional configuration or setup. This allows the organization to easily expand their storage capacity as their needs change.

Scalable Power Options

Scalable power options refer to the ability to adjust the amount of power being supplied to a device or system in response to changing power needs. This allows organizations to have flexibility in terms of power consumption and to adjust their power usage to match their current needs, rather than having to commit to a fixed power supply.

Scalable power options are particularly important for organizations that have fluctuating power needs, such as data centers, that have to deal with varying levels of power consumption depending on the number of servers, storage devices, and other equipment that are in use at a given time. By having scalable power options, organizations can ensure that they have the right amount of power to meet their current needs, without wasting resources or increasing costs.

One of the ways to achieve scalable power options is by using modular power supplies. These power supplies consist of several smaller power modules that can be added or removed as needed, allowing the organization to adjust the amount of power being supplied to the system. This allows organizations to add or remove power modules as their power needs change, which can help to reduce the costs associated with having to upgrade or replace the entire power supply.

Another way to achieve scalable power options is by using a power distribution unit (PDU) which allows the organization to distribute power to multiple devices and also monitor and control power usage. This can be done through remote management, which allows the IT staff to monitor and control power usage from a central location. This can help to reduce the costs associated with having to upgrade or replace the entire power supply.

General Information:

  • Brand Name : HP
  • MPN: QW939A#ABA
  • Manufacturer Website Address : www.hp.com
  • SKU: QW939A#ABA


  • Pluggable Yes
  • Category Proliant
  • Type: Power Supply
  • Sub-Type: Switching Power Supply


  • Compatibility: For SN3000B Optional Power Supply

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 QW939A#ABA 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?

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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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

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Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

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UPS Next Day Air® - Priority Overnight
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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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Available throughout all 50 states

FedEx First Overnight®
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Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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