Best PSUs Under $100 for Your Dream PC Build

Don’t let a tight budget hold you back from building your dream PC.

The Importance of a Power Supply Unit (PSU)

When building a PC, every component plays an important role in its performance. However, the power supply unit (PSU) is often overlooked and undervalued.

Without a stable and reliable power source, your PC will suffer from crashes, instability, and even permanent damage to components. Despite its importance, many people tend to skimp on the PSU when building their PC due to budget constraints.

While it may be tempting to choose the cheapest option available, this can lead to catastrophic consequences. A low-quality or inadequate PSU can cause system shutdowns during heavy usage or risk electrical shock hazards.

It’s important to invest in a high-quality PSU that can handle the demands of your system while also protecting it from potential harm. This is especially true for gamers or content creators who require high-performance components that demand more power.

Exploring the Best PSUs Under $100

Fortunately, there are plenty of high-quality PSUs available for under $100. In this article, we’ll explore some of the best options on the market so you can make an informed decision without breaking the bank. It’s important to note that while these PSUs may be affordable, they are not cheap in terms of quality.

Each option has been carefully chosen based on their reliability and performance under various conditions. Before delving into specific options though, it’s important to consider what factors determine which PSU is right for your system.

The Factors that Determine Which PSU is Right For You

Firstly, consider your overall system’s power requirements; every component uses varying amounts of power and therefore requires enough wattage from the PSU. Secondly,you should take into account how much room you have inside your case as larger psu will be harder to fit. Thirdly, it’s a good idea to choose a modular PSU which helps with cable management.

Next, consider the efficiency of the PSU. An inefficient PSU can waste power and generate unnecessary heat in your system leading to poor performance and shorter lifespan of components which will cost you more in the long run.

While it’s tempting to opt for cheaper, non-modular PSUs, they can make cable management a nightmare. You’ll find yourself spending hours trying to get everything organized due to all the unnecessary wires dangling around leading to bad airflow and high temperatures.

Consider noise level. While some people may not mind a little extra noise coming from their PSU fan as long as it’s efficient and reliable, others may want near-silent operation from their unit.

My Unpopular Opinion: Budget-Friendly Does Not Mean Cheap

I understand that sometimes we are limited by budget constraints when building our PCs but that should never lead us into compromising on quality components such as Power Supply Units. Many times you’ll see people settle for cheap psu’s just because they are affordable which is a big mistake as this might cause damage or underperformance issues in your system leading you back to more expenses in the future Instead of going for cheap options that may put our systems at risk, opt for budget-friendly options such as those reviewed here that have been tested for reliability and quality performance over time – even under heavy usage conditions.

Investing in a high-quality PSU is essential in ensuring your PC runs smoothly and safely without risk of damage or underperformance issues caused by cheaper low-quality PSUs. By carefully considering the factors mentioned above while exploring some of the best PSUs under $100 we’ve highlighted here , you can build your dream PC without breaking the bank or sacrificing on quality.

High-Level Overview of Best PSUs Under $100

When it comes to building a PC, the power supply unit (PSU) is one of the most important components. It’s responsible for supplying power to all of your other components and can greatly impact the stability and reliability of your system. However, PSUs can also be expensive, which is why we’ve compiled a list of the best options under $100.

First on our list is the Budget-Friendly Workhorse PSU. This option may not have all the bells and whistles that some higher-end PSUs offer, but it gets the job done without breaking the bank.

These PSUs typically range from 500-600 watts and have a standard 80 Plus certification for efficiency. Next up is The Efficient and Quiet PSU.

This option prioritizes energy efficiency and noise reduction with its high-quality components and smart fan controls. These PSUs are typically rated at 80 Plus Gold or higher for their efficiency, and often come equipped with noise-reducing features like silent fans or fanless operation at low loads.

Last but not least, we have The Versatile and Modular PSU. These PSUs offer a lot of flexibility in terms of cable management, allowing you to remove unnecessary cables to improve airflow in your case.

Additionally, they often come with modular cables that allow you to connect only what you need for your specific build. These PSUs are typically rated at 80 Plus Bronze or higher for their efficiency.

Overall, when choosing a PSU under $100, it’s important to consider your specific needs and budget. The Budget-Friendly Workhorse PSU may be sufficient if you’re on a tight budget or don’t require as much power as some other builds.

The Efficient and Quiet PSU may be more suitable if you value energy efficiency or prioritize quiet operation. And the Versatile and Modular PSU may be a great option for those who want more control over cable management and customization.

There are several great PSU options under $100 that can meet your needs without breaking the bank. It’s important to do your research, consider your specific requirements, and choose a quality PSU that will provide stable and reliable power to all of your components.

The Best PSUs Under $100

The Budget-Friendly Workhorse PSU: Corsair CX450

For those on a tight budget, the Corsair CX450 is an excellent option. Despite its low price point, the CX450 still manages to pack a punch with its 80 Plus Bronze certification and a maximum power output of 450 watts.

This PSU may not be as efficient or modular as some of the more expensive options, but it will get the job done for budget builds. In addition to its affordability, the CX450 also boasts a quiet fan and a semi-modular design.

The semi-modular design allows for better cable management, which can help improve airflow and reduce clutter in your build. Overall, if you’re looking for a reliable PSU that won’t break the bank, the Corsair CX450 is an excellent option.

The Efficient and Quiet PSU: EVGA 500 BQ

Efficiency is key when it comes to PSUs, and the EVGA 500 BQ delivers just that with an impressive 80 Plus Bronze certification. Not only does this PSU provide efficient power delivery, but it also operates quietly thanks to its silent fan. Along with its efficiency and quiet operation, the EVGA 500 BQ also features a semi-modular design with flat cables that make cable management a breeze.

And at a maximum output of 500 watts, this PSU should have enough power for most mid-range builds. Overall, if you’re looking for an efficient and quiet PSU that won’t break the bank but still provides solid performance and quality features such as modular cabling options then look no further than EVGA 500 BQ.

The Versatile and Modular PSU: Thermaltake Smart BX1 RGB

For those who want a little more customization in their build, the Thermaltake Smart BX1 RGB is an excellent choice. This PSU not only delivers solid performance with an 80 Plus Bronze certification and a maximum output of 550 watts, but it also features customizable RGB lighting. In addition to its flashy lights, the Smart BX1 RGB also boasts a fully modular design with flat cables that make cable management a breeze.

And with its quiet fan and reliable build quality, you can trust this PSU to power your build for years to come. Overall, if you’re looking for a versatile and modular PSU that provides solid performance while adding some flair to your build then the Thermaltake Smart BX1 RGB is definitely worth considering.

Rarely Known Small Details

Beware of Power Surges: Protect Your PC with the Right PSU

So, you think that any old power supply unit will do? Think again! If you want to protect your beloved PC from power surges, it’s important to choose a PSU with built-in surge protection.

Not all PSUs come with this feature, and some may only offer minimal protection. Don’t skimp on this vital feature – a single power surge could fry your PC’s components in an instant.

Don’t Overestimate Wattage: Excessive Power Could Cost You

It’s easy to get carried away when it comes to choosing a power supply unit. After all, more wattage must be better – right?

Not necessarily! In fact, choosing a PSU with too high of a wattage rating could actually cost you money in the long run.

This is because PSUs are most efficient when they’re working at around 50-60% of their maximum capacity. If you opt for a higher-wattage PSU than your system needs, you’ll be wasting energy and money on unnecessary overhead.

Modularity Matters: Save Yourself Time and Hassle Down the Line

When it comes to building your dream PC, modularity can be a real lifesaver. A modular PSU allows you to connect only the cables you need for your build – leaving the rest safely tucked away in the box.

This not only makes cable management easier but also helps improve airflow within the case. While modular PSUs used to be more expensive than their non-modular counterparts, nowadays many affordable options are available.

The 80 Plus Standard: What It Really Means for Your Build

You’ve probably heard of the 80 Plus standard – but do you know what it really means? Put simply, the 80 Plus standard is a certification program that rates a PSU’s efficiency.

The higher the certification level (Bronze, Silver, Gold, etc.), the more efficient the PSU is at converting AC power from your wall outlet into DC power for your PC’s components. While opting for a higher-rated PSU may cost more upfront, it can save you money on your energy bill in the long run.

Build Quality Matters: Don’t Skimp on Components

Last but not least – build quality matters! Don’t be fooled by low-priced PSUs that seem like a bargain – they may be made with cheap components that are prone to failure.

Instead, opt for a reputable brand with good reviews and strong warranties. A well-built PSU can last you for years and provide reliable power to your PC’s components.


Choosing the right PSU can make or break your PC building experience. By considering all of these factors – including budget, wattage needs, modularity, efficiency rating, and build quality – you can find an affordable PSU that meets all of your needs without sacrificing performance or reliability.

Remember: investing in a high-quality PSU now can save you money and hassle down the line. Happy building!

Leave a Comment