Top 30 Power Supply Brands in 2025

The most popular brands for Power Supply Includes Dell, HP, Delta, Corsair, Lenovo, EVGA, IBM, be quiet!, Fujitsu, AeroCool among many others.

1

Dell

Popular Brand

Michael Dell founded PC’s Limited in 1984 with the intent of providing customized upgrades for computers. The initiative was successful, and Dell dropped out of college to start building computers. Soon, he started selling his designs, which were met with tremendous success. Over time, he could offer computers of premium quality at economical prices. In 1988, the company was renamed Dell Computer Corporation and continued to provide modern products.

2

HP

Popular Brand

The Hewlett-Packard Company was founded when completely electronic computers did not exist. It was 1939, and the only printers were industrial-sized. Its defining feature was its health care plan for its employees and its use of an open office floor plan, allowing for convenient operations. Its manufacture of high-end products allowed it to rapidly gain a presence worldwide, making it one of the most famous technology brands today.

3

Delta

Popular Brand

DJ Delta’s musical expertise was second to none, and he had a flair for scratching and mixing. His precise selection was unmatched, leading to groovy and memorable music being played wherever he was. DJ Delta was the leading player in the field of black music and has collaborated with large hip hop groups too. Each of his changes differs from the previous, making him an incredibly skilled musician.

4

Corsair

Best Brand

Design and upgrade your gaming rig with Corsair! They promise high-performance gear and equipment, and you will find everything you need for professional gaming and content creation. The company website allows you to customize your own PC in simple steps along with recommendations and compatibility checks. Corsair takes pride in its compelling influence over the e-sports domain. PC components and software enhance your gaming efficiency and give your set-up a high-toned look. Shop now!

5

Lenovo

Best Brand

Lenovo introduced itself to the personal technology market in 2004. However, its history spans a more extended period. In 1984, the company was established under the name Legend Holdings. After becoming Lenovo, it went on to take over the former Personal Computer Division of IBM, the progenitor of the PC industry in the 1980s. Today, Lenovo operates worldwide, serving thousands of customers by creating world-class products.

6

EVGA

Best Brand

EVGA is a leading NVIDIA-approved partner in channel sales across North America. As part of this collaboration, EVGA has worked closely with NVIDIA to guarantee that all EVGA gaming motherboards, including the newest NVIDIA GeForce graphics cards, are customized with optimized BIOS settings. It enables you to enjoy exceptional performance straight out of the box and prepare your system for the most remarkable definition of gaming. They are committed to increasing the production of goods and services, as well as providing excellent customer service to satisfy the expectations of today's passionate users.

7

IBM

Best Brand

In this era of technological advancements, there are essential services that can not be substituted with anything else. The requirement for computers in every sector of work is increasing on a daily basis. That is why IBM is a crucial figure in this area of development. IBM provides computer hardware and software to its clients. They are also involved in research and development and were behind famous devices like floppy disks, drives, and bar codes.

8

be quiet!

Best Brand

Be quiet products are distinguished by their excellent quality, minimal noise, and extended life. Their products are built to achieve...

9

Fujitsu

IT is a field of knowledge that is growing at an extreme rate. All the ideas and concepts within the...

10

AeroCool

Aerocool is your one-stop shop for anything gaming. They have everything you need to boost performance and style, whether you're...

11

Lite-On

Lite-On is a global manufacturer of Opto-semiconductors, power supply control, and critical electronic equipment, with assembly centers worldwide. It provides...

12

AMD

AMD is a Silicon Valley-based multinational semiconductor corporation. It is the world's largest and most inventive computing firm, creating the...

13

AcBel

AcBel offers power solutions for computers. One can find all kinds of power output devices for industrial, commercial, medical, and...

14

Antec

15

Compaq

James Harris and William Murto founded Compaq in 1982 to manufacture high-quality American computers. Its main goal was to build...

16

Fortron

Fortron Power specializes in offering industrial power conversion solutions worldwide. They collaborate with their customers to completely comprehend their power...

17

Sea Sonic

Sea Sonic Electronics offers high-efficiency power supply products developed using advanced technology. The company guarantees to provide updated and powerful...

18

PowerMan

PowerMan Home UPS is a secure and dependable home backup system that can keep your lights, entertainment, and security systems...

20

Supermicro

Supermicro is a worldwide cloud server market leader, offering complete end-to-end data center solutions geared for performance, efficiency, and flexibility....

21

HEC

HEC Group is a prominent global producer and developer of PC Cases, Power Supply Units, and Rackmount Systems for clients...

22

Game Max

In 2022, video games are way more than the stereotypical "a waste of time" notion. The gaming industry is enormous,...

23

WIN

24

Chieftec

Chieftec is a company known for its superior quality computer-related items such as P.C. cases and power supply units. Established...

25

EMACS

EMACS is an IT business that provides its customers with the top solutions. EMACS offers everything, including IT services, Cloud...

26

Zalman

Zalman creates the most popular electrical gadgets, and their art items let users preserve, enhance, and customize their devices. They...

27

Fujitsu Siemens

Fujitsu Siemens laptops are available in various sizes, designs, and feature sets. Their powerful business laptops are ready to use...

28

Thermaltake

Thermaltake is a technological brand that makes beautiful and potent high-quality products. The myth starts with a dream, and they...

29

AOPEN

AOPEN is a prominent Taiwanese electronics manufacturer that has made significant progress with their solutions for healthcare, education, and EV...

30

Enlight

Trevor Chan founded Enlight in 1993, hoping to create games that can combine entertainment value with educational efficacy. As one...

Power Supply Buying Guide

When it comes to building a new computer or upgrading an existing one, the power supply unit (PSU) is often overlooked. However, the PSU is a crucial component that is responsible for providing stable and sufficient power to all the other components of the computer. In this guide, we’ll take a closer look at the factors you should consider when choosing a power supply unit for your computer.

1. Wattage

The first factor you should consider when buying a power supply unit is its wattage. The wattage of a PSU refers to the amount of power it is capable of delivering to your computer’s components. A PSU’s wattage is usually listed on its label and ranges from 300 watts to over 1000 watts.

The wattage you need for your computer will depend on the components you have in it. Generally speaking, a basic system with integrated graphics, a single hard drive, and a low or mid-range CPU will require a PSU with a wattage of 300 to 400 watts. However, if you have a high-end system with multiple graphics cards, a high-end CPU, and several hard drives, you may need a PSU with a wattage of 1000 watts or more.

It is important to note that a higher wattage PSU does not necessarily mean better performance. In fact, using a PSU with a wattage that is significantly higher than what you need can be inefficient and even harm some of your components. Therefore, it is essential to consider the wattage requirements of your system before purchasing a PSU.

2. Efficiency Rating

Another factor to consider when buying a PSU is its efficiency rating. The efficiency of a PSU refers to how much of the power it draws from the wall outlet is converted into usable power for your computer’s components.

A PSU’s efficiency is rated as a percentage and is usually listed on its label. The higher the efficiency rating, the less power the PSU will waste as heat and the more efficient it will be.

The efficiency rating of a PSU can have a significant impact on your electricity bill over time. For example, if you have a computer that is powered on for 8 hours per day and your PSU has an efficiency rating of 80%, you could save up to $20 per year by switching to a PSU with an efficiency rating of 90%.

Therefore, it is best to choose a PSU with a higher efficiency rating if possible. The most efficient PSUs on the market have a rating of 80 Plus Titanium or higher, which means they are 90% or more efficient at 50% load.

3. Modular vs. Non-Modular

Modularity refers to the design of a PSU’s cables. Modular PSUs have cables that can be detached from the PSU, while non-modular PSUs have fixed cables that cannot be removed.

Modular PSUs are more flexible and easier to work with than non-modular PSUs because you only connect the cables you need for your specific system configuration. This not only eliminates clutter but also improves airflow and cooling inside the computer case.

However, modular PSUs tend to be more expensive than non-modular PSUs. Additionally, if you need to add or remove cables from a modular PSU in the future, you may have to buy additional cables from the manufacturer, which can be costly.

Non-modular PSUs, on the other hand, are generally less expensive and are a good choice for systems that do not require many cables. However, if you have a more complex system with multiple components, a modular PSU may be a better choice.

4. Brand Reputation and Quality

The power supply unit is one of the most important components of your computer. Therefore, it is essential to choose a PSU from a reputable brand with a good track record of quality and reliability.

Brands like Corsair, EVGA, Seasonic, and Thermaltake are well-known for their high-quality PSUs. These brands often use high-quality components, such as Japanese capacitors, which can improve the longevity and stability of the PSU.

It is also important to read reviews and user feedback before buying a PSU. This can give you an idea of how the PSU performs in real-world situations and whether other users have had any issues with it.

5. Size and Compatibility

When choosing a power supply unit, it is crucial to consider its size and compatibility with your computer case and other components.

PSUs come in different sizes, most commonly ATX, SFX, and TFX. ATX power supplies are the most common and are compatible with most computer cases. However, smaller cases may require an SFX or TFX power supply.

Additionally, you should make sure that your PSU is compatible with your motherboard and other components. For example, if you have a high-end graphics card, you may need a PSU with specific PCIe power connectors.

Conclusion

The power supply unit is a vital component of your computer, and choosing the right PSU is essential for stable and efficient performance. When buying a power supply unit, consider the wattage, efficiency rating, modularity, brand reputation and quality, size, and compatibility with your other components.

By taking these factors into account, you can find a power supply unit that meets your specific needs and ensures reliable and efficient power delivery to your computer components.

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