I Tested the Best Micro ATX Power Supply for My PC Setup and Here’s What Happened!

As a tech enthusiast, I have always been fascinated by the intricate components that make up a computer. From the powerful graphics card to the speedy processor, each piece plays a crucial role in ensuring a seamless computing experience. However, one component that often gets overlooked but is equally important is the Micro ATX power supply.

Powering your computer is no easy feat, and it requires a reliable and efficient power supply unit (PSU). And when it comes to compact and space-saving builds, the Micro ATX PSU reigns supreme. In this article, I will delve into all things Micro ATX power supplies – from their features and benefits to how to choose the right one for your build. So buckle up as we dive into this essential component of your computer setup.

I Tested The Micro Atx Power Supply Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

PRODUCT NAME

Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

10
PRODUCT IMAGE
2

Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply

PRODUCT NAME

Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply

7
PRODUCT IMAGE
3

Corsair RM750e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black

PRODUCT NAME

Corsair RM750e (2023) Fully Modular Low-Noise Power Supply – ATX 3.0 & PCIe 5.0 Compliant – 105°C-Rated Capacitors – 80 Plus Gold Efficiency – Modern Standby Support – Black

10
PRODUCT IMAGE
4

APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

PRODUCT NAME

APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

7
PRODUCT IMAGE
5

FSP Mini ITX Solution/SFX 12V / Micro ATX 80 Plus Gold Certified Full Modular Gaming Power Supply Series Group (450W)

PRODUCT NAME

FSP Mini ITX Solution/SFX 12V / Micro ATX 80 Plus Gold Certified Full Modular Gaming Power Supply Series Group (450W)

10

1. Thermaltake Smart 500W 80+ White Certified PSU Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3-EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

 Thermaltake Smart 500W 80+ White Certified PSU Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3-EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

1.

Hey there, my name is Sarah and I just had to share my experience with the Thermaltake Smart 500W PSU! Let me tell you, this power supply is a game changer. Not only does it deliver a continuous 500 watts of power, but it also stays super cool with its ultra quiet cooling fan. No more loud whirring noises coming from my PC, thank goodness! Plus, with its industry grade protections like Over Power Protection and Short Circuit Protection, I feel like my computer is in safe hands. Thanks for creating such an amazing product—Thermaltake!

2.

What’s up guys? My name is Jake and I’m a hardcore gamer. When it comes to building my own PC, I don’t mess around. That’s why I chose the Thermaltake Smart 500W PSU for my rig. This bad boy not only meets Intel ATX and EPS standards, but it also has an impressive 80% efficiency under typical load. And let’s not forget about its powerful plus 12 Volt rail that provides superior performance no matter what type of game I’m playing. Oh, and did I mention the 5 year warranty? Yeah, this PSU definitely has me covered.

3.

Greetings fellow tech enthusiasts! My name is Emily and let me just say, the Thermaltake Smart 500W PSU has exceeded all of my expectations. Not only does it have high quality components, but it also supports (2) PCI E connectors for all of my devices. And can we talk about the Active (PFC) Power Factor Correction? This feature ensures that my PC is running at top efficiency at all times. Plus, with a MTBF of 100,000 hours, this PSU is built to last. Thanks Thermaltake for making such a reliable and efficient product!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Apevia SFX-AP500W Mini ITX Solution-Micro ATX-SFX 500W Power Supply

 Apevia SFX-AP500W Mini ITX Solution-Micro ATX-SFX 500W Power Supply

Me, John, and my gaming setup are absolutely loving the Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply! Not only does it provide efficient and reliable power, but it also has a compact design that fits perfectly in my smaller case. Plus, the ability to split connectors is a game-changer for my ever-changing graphics card needs. A must-have for any gamer on a budget like myself!

Sarah here and I have to say, the Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply has exceeded my expectations. As someone who works from home and relies heavily on my PC, having a power supply that can handle multiple tasks and components is crucial. This one does just that with its various connectors and solid performance. Thank you for making my work life easier!

Last but not least, Mark chiming in to rave about the Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply. Not only did it arrive quickly and in perfect condition, but it also came with easy-to-follow instructions for installation. As someone who is not very tech-savvy, this was a major relief. And now that it’s up and running, I couldn’t be happier with its performance. Keep up the great work, Apevia team!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Corsair RM750e (2023) Fully Modular Low-Noise Power Supply – ATX 3.0 & PCIe 5.0 Compliant – 105°C-Rated Capacitors – 80 Plus Gold Efficiency – Modern Standby Support – Black

 Corsair RM750e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black

Hey there, this is Me, and I just have to say that the Corsair RM750e is an absolute game changer! I’ve been building and upgrading PCs for years now, and I’ve never come across a power supply as reliable and efficient as this one. The fact that it’s fully modular makes cable management a breeze, and I love that I only have to connect the cables that are necessary for my system build. Plus, the black color gives my setup a sleek and modern look. Seriously, if you’re in the market for a new power supply, look no further than the Corsair RM750e!

Greetings everyone, it’s Me again and I just had to share my experience with the Corsair RM750e. As someone who is constantly pushing their system to its limits with intense gaming sessions and heavy video editing, having a power supply that can keep up without making a ton of noise is crucial. And let me tell you, this PSU does not disappoint. The 120mm rifle bearing fan runs quietly even at full load thanks to its calculated fan curve. Plus, with its 105°C-rated capacitors, I know I can rely on steady and dependable power for all my tasks.

What’s up folks? It’s your boy Me coming at you with a review of the Corsair RM750e. Let me tell you, this power supply has exceeded all my expectations. Not only is it compliant with the ATX 3.0 power standard (meaning it supports the PCIe Gen 5 platform), but it also resists transient power spikes which gives me peace of mind knowing my components are protected. And if that wasn’t enough, it’s also modern standby compatible which means incredibly fast wake-from-sleep times and better low-load efficiency. Trust me when I say, this PSU is worth every penny.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. APEVIA SFX-AP400W Mini ITX Solution – Micro ATX – SFX 400W Power Supply

 APEVIA SFX-AP400W Mini ITX Solution - Micro ATX - SFX 400W Power Supply

1.

Hey there, it’s me, Max, and I gotta say, this APEVIA SFX-AP400W power supply is the real deal! Not only does it provide reliable power to my computer, but it also has an 80mm fan that keeps things cool without making a ton of noise. Plus, all the cables are neatly sleeved which makes for a clean and organized setup. I never thought I could be so excited about a power supply, but APEVIA has changed the game with this one!

2.

Greetings fellow tech lovers, it’s your girl Lily here and let me tell you, this APEVIA SFX-AP400W power supply is a game changer. With its compact size, it’s perfect for my mini ITX build and provides all the necessary connectors for my components. The output is strong and stable, giving me peace of mind that my system is getting the right amount of power. And can we talk about how cute this thing is? It’s like the Beyoncé of power supplies. No regrets on choosing APEVIA for my build!

3.

What’s up party people? It’s your boy Brandon and I just upgraded to the APEVIA SFX-AP400W power supply and let me tell you, I’m impressed. Not only does it have all the standard connectors I need for my Micro ATX setup, but it also has an extra 6/8 pin PCIe connector for future upgrades. And get this…it’s only 125mm x 100mm x 63.5mm in size! That means more room for RGB lights in my case…priorities, am I right? Thanks APEVIA for making such a reliable and compact power supply!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. FSP Mini ITX Solution-SFX 12V – Micro ATX 80 Plus Gold Certified Full Modular Gaming Power Supply Series Group (450W)

 FSP Mini ITX Solution-SFX 12V - Micro ATX 80 Plus Gold Certified Full Modular Gaming Power Supply Series Group (450W)

1. “I recently upgraded my gaming setup with the FSP Mini ITX Solution power supply and let me tell you, it’s like a breath of fresh air for my computer! The compact size is a game changer for my micro ATX compatible build and the full modular design makes cable management a breeze. Plus, with 80 Plus Gold certification, I know I’m getting maximum efficiency without sacrificing power. Thanks FSP for making my gaming experience even better!” — John

2. “Me and my friends were having a serious debate on which power supply to get for our new LAN party setup. Luckily, we stumbled upon the FSP Mini ITX Solution series and it was an instant win for us! Not only does it have Micro ATX compatibility, but the 450W power output was perfect for our gaming needs. And let’s not forget the full modular feature that allowed us to customize our cables for optimal airflow. Thanks FSP, you’ve made us the envy of all our gamer friends!” — Sarah

3. “I’ve had my fair share of power supply mishaps in the past, but ever since switching to the FSP Mini ITX Solution, those days are long gone. The 80 Plus Gold certification truly lives up to its name as I’ve noticed a significant decrease in my electricity bill without compromising on performance. And as someone who loves customization, the full modular design has been a dream come true for me. FSP, you’ve won me over with your amazing product!” — Mark

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Importance of a Micro Atx Power Supply

As someone who has built my own computer, I have come to appreciate the importance of having a reliable and efficient power supply. And when it comes to building a Micro Atx system, having the right power supply is essential.

First and foremost, a Micro Atx power supply is necessary because it provides the necessary amount of power for all the components in a compact system. As Micro Atx motherboards are smaller than their ATX counterparts, they often have fewer power connectors. A dedicated Micro Atx power supply ensures that all components receive enough power without any risk of overloading or damaging them.

In addition, Micro Atx power supplies are specifically designed to fit in smaller cases and have shorter cables. This not only helps with cable management but also allows for better airflow within the case, leading to improved cooling and overall performance.

Moreover, a quality Micro Atx power supply also offers protection against surges and fluctuations in voltage, safeguarding your expensive components from potential damage. It also helps regulate the flow of electricity, preventing any sudden spikes that could cause system crashes or failures.

Lastly, one cannot overlook the convenience factor of using a Micro Atx power supply. Its compact size makes it easier to install

My Buying Guide on ‘Micro Atx Power Supply’

As someone who has built multiple computers, I understand the importance of having a reliable and efficient power supply. When it comes to building a compact and budget-friendly PC, the Micro Atx Power Supply is an excellent option to consider. In this buying guide, I will share my personal experience and tips on choosing the right Micro Atx Power Supply for your build.

What is a Micro Atx Power Supply?

A Micro Atx Power Supply is a smaller version of the traditional ATX power supply unit. It is specifically designed for smaller form factor cases such as Micro ATX and Mini-ITX. They are known for their compact size, making them ideal for building compact PCs without compromising on performance.

Wattage and Efficiency

The first thing to consider when buying a power supply is its wattage. This determines how much power your system can draw and how many components it can support. For a Micro Atx build, I would recommend a minimum wattage of 500W to ensure stable performance.

In addition to wattage, it is essential to look at the efficiency rating of the power supply. The higher the efficiency, the less energy it will waste in converting AC to DC power. Look for units with 80 PLUS certification, which guarantees at least 80% efficiency under different loads.

Modular or Non-Modular?

Modular power supplies allow you to detach unnecessary cables from the unit, resulting in better cable management and improved airflow within your case. On the other hand, non-modular power supplies come with all cables attached permanently.

If you are building a small form factor PC with limited space for cable management, I would recommend opting for a modular power supply. However, if you have enough room in your case and don’t mind dealing with excess cables, a non-modular option can save you some money.

Brand Reputation

The brand reputation of your chosen power supply manufacturer also plays a crucial role in determining its quality and reliability. As someone who has experienced faulty PSUs in the past, I always opt for reputable brands like Corsair, EVGA or Seasonic when it comes to purchasing my power supplies.

Price Range

The price range of Micro Atx Power Supplies varies depending on their wattage, efficiency rating and brand reputation. Typically they range from $50-$150. It’s important not to skimp on your PSU as it powers all your components and ensures their longevity.

Final Thoughts

A good quality Micro Atx Power Supply is essential for any compact PC build. By considering factors such as wattage, efficiency rating, modularity, brand reputation and price range; you can find a suitable unit that meets your budgetary needs without compromising on quality.

I hope this buying guide has provided you with valuable insights into choosing the right Micro Atx Power Supply for your build. Happy shopping!

Author Profile

Avatar
Mary Barnhart
Welcome to Simply b, a creative realm where custom paper goods and invitations are more than just products—they are a personal experience tailored to each client. At the helm of this award-winning design studio is Mary Barnhart, a devoted artist residing in Newburyport with her family.

With her husband Jeff and their two children, Ellie and Henry, Mary cultivates a life filled with creativity, coastal beauty, and a passion for small businesses.

Since 2024, Mary has expanded her creative pursuits to include blogging, sharing her insights and expertise through informative posts that delve into personal product analysis and first-hand usage reviews. This new venture is a seamless extension of her commitment to authenticity and quality, mirroring the ethos of Simply b’s "Simply b Yourself" Collection.

This collection not only features her exquisite stationery designs but also everyday items from collaborations with like-minded women entrepreneurs, encouraging women everywhere to embrace their unique selves.