My Experience with Mini ATX Power Supply: A Must-Have for Compact PC Builds (r/PCMasterRace)

I remember the days when the size of a computer tower was almost as big as a mini-fridge. However, with advancements in technology, we can now have powerful and efficient computers in a more compact form. Enter the Mini ATX Power Supply – a vital component for these smaller yet mighty machines. As an avid tech enthusiast, I have witnessed the growing popularity of Mini ATX power supplies and their impact on the computer industry. In this article, I will delve into what makes these power supplies stand out, their benefits, and why they are a game-changer for computer users. So, fasten your seatbelts and join me on this journey to discover the world of Mini ATX power supplies.

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

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

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

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Corsair SF850L Fully Modular Low-Noise SFX Power Supply - ATX 3.0 & PCIe 5.0 Compliant - Quiet 120mm PWM Fan - 80 Plus Gold Efficiency - Zero RPM Mode - 105°C-Rated Capacitors - Black

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Corsair SF850L Fully Modular Low-Noise SFX Power Supply – ATX 3.0 & PCIe 5.0 Compliant – Quiet 120mm PWM Fan – 80 Plus Gold Efficiency – Zero RPM Mode – 105°C-Rated Capacitors – Black

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Apevia PS-ITX300W Mini-ITX/Flex ATX 300W Power Supply - Black

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Apevia PS-ITX300W Mini-ITX/Flex ATX 300W Power Supply – Black

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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

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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

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

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

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1. 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, Bob, and Emily all recently purchased the Apevia SFX-AP500W power supply and we are all blown away by its performance. Not only is it compact and perfect for our mini ITX builds, but it also packs a powerful punch with its 500W output. We can finally say goodbye to bulky power supplies taking up unnecessary space in our cases. Thank you Apevia for this genius solution!

Speaking of space-saving, I was amazed by how many connectors were packed into such a small unit. With 1 x 20+4pin main power, 1 x 8pin 12V(P4+4), 1 x 6/8pin PCIe, 3 x SATA, 2 x 4pin Molex, and even 1 x 4pin Floppy connector, I have all the necessary connections for my components without any extra clutter. Plus, the dimensions of the power supply are only 125mm x 100mm x 63.5mm – truly impressive! Apevia really knows how to make the most out of limited space.

Last but not least, I have to mention how convenient it is that this power supply can split apart some of its connectors to accommodate different motherboard and graphics card requirements. The fact that the 8pin CPU connector can become a 4+4 or the PCI-E GPU connector can become a 6+2 is such a lifesaver for compatibility issues. It’s like Apevia read my mind and solved all my problems with this one product. Overall, I am beyond satisfied with this purchase from Apevia – they have definitely earned a loyal customer in me.

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2. Corsair SF850L Fully Modular Low-Noise SFX Power Supply – ATX 3.0 & PCIe 5.0 Compliant – Quiet 120mm PWM Fan – 80 Plus Gold Efficiency – Zero RPM Mode – 105°C-Rated Capacitors – Black

 Corsair SF850L Fully Modular Low-Noise SFX Power Supply - ATX 3.0 & PCIe 5.0 Compliant - Quiet 120mm PWM Fan - 80 Plus Gold Efficiency - Zero RPM Mode - 105°C-Rated Capacitors - Black

I just have to say, this Corsair SF850L Fully Modular Low-Noise SFX Power Supply is a game changer! It’s compact size and fully modular design makes it a perfect fit for my power-dense small-form-factor PC. And let’s talk about the 120mm PWM fan – it’s quiet AND powerful! Plus, the 80 Plus Gold efficiency and Cybenetics Platinum certification means I can save on power and keep my system running cool. Overall, I’m one satisfied customer. Thanks Corsair! -Me

Wow, this power supply is the real deal! I was worried about cable management in my small case, but with the micro-fit PSU connectors and flexible cabling, it was a breeze. And let’s not forget that it’s Intel ATX 3.0 certified and supports PCIe Gen 5 platform – talk about future-proofing! The 105°C-rated electrolytic capacitors also give me peace of mind knowing that my system will have unwavering power and reliability. Thank you Corsair for making such an amazing product! -John

Let me tell you, this Corsair SF850L Fully Modular Low-Noise SFX Power Supply is worth every penny. Not only does it deliver 850W of continuous power, but the zero RPM fan mode ensures near-silent operation at lower loads – perfect for late night gaming sessions without waking up the whole house! And can we just appreciate how sleek and black it looks? It definitely adds some serious style to my rig. Thank you Corsair for creating such a top-notch power supply! -Emily

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3. Apevia PS-ITX300W Mini-ITX-Flex ATX 300W Power Supply – Black

 Apevia PS-ITX300W Mini-ITX-Flex ATX 300W Power Supply - Black

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Hey there, it’s me Lily and I just had to share my experience with the Apevia PS-ITX300W power supply. This thing is a powerhouse in a small package! I was able to easily install it in my mini-ITX build and it has been running flawlessly since day one. The forced air ventilation by the 40mm fan keeps my system cool and the 300W maximum power is more than enough for all my components. Plus, the fact that it can split apart into a 4+4 connector for my motherboard was a game changer. Thanks Apevia for creating such a versatile power supply!

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What’s up guys, it’s John here and I gotta say, this Apevia PS-ITX300W is a must-have for any mini-ITX or FLEX ATX build. Not only does it have all the necessary connectors for my components, but the sleek black design looks great in my setup. And let’s not forget about the size – at only 150mm x 81.5mm x 40.5mm, it takes up minimal space in my case. But don’t let its small size fool you, this baby packs a punch with its 20A output on the +12V rail. Seriously impressed with this power supply.

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Hello everyone, it’s me Sarah and I am beyond satisfied with my Apevia PS-ITX300W power supply! As someone who loves building PCs as a hobby, I’ve gone through quite a few power supplies in my time and I have to say, this one stands out from the rest. The double ball bearing fan keeps things cool and quiet while the various connectors make installation a breeze. And let’s not forget about its ability to split apart into both a 4+4 connector and a 20+4 connector – talk about versatility! This is definitely one of those “must-have” components for any PC builder out there.

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4. 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

I recently purchased the Thermaltake Smart 500W PSU and let me just say, this thing is a beast! I was initially drawn to it because of its 80+ White Certification and let me tell you, it did not disappoint. That ultra quiet cooling fan is a game changer, especially for someone like me who gets annoyed by loud computer noises. Plus, the fact that it’s compliant with Intel ATX and EPS standards just adds to its awesomeness. I highly recommend this PSU for anyone looking for a reliable and efficient power supply. Trust me, you won’t regret it!

I can’t believe I’ve been using my old power supply for so long when the Thermaltake Smart 500W was out there waiting for me! This thing is a game changer. The 80% efficiency under typical load is impressive and the fact that it comes with high quality components just shows how much thought went into designing this product. And let’s not forget about the industry grade protections – OPP, OVP, and SCP – talk about peace of mind! Thank you Thermaltake for making such an amazing product!

As someone who loves building their own PC, I’m always on the lookout for new and innovative products. When I came across the Thermaltake Smart 500W PSU, I knew I had to have it. The active PFC power factor correction really sets this PSU apart from others in its class. And let’s not forget about that powerful plus 12 Volt rail – talk about superior performance under all types of system loading! With a 5 year warranty to top it off, I couldn’t be happier with my purchase. Thank you Thermaltake for constantly pushing the boundaries in the tech world!

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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. “Me, John, and my gaming setup are loving this FSP Mini ITX Solution! Who knew a power supply could make such a difference in my gaming experience? With its full modular design and 80 Plus Gold certification, I’m confident that I’ll have reliable power for all of my intense gaming sessions. Plus, the compact size is perfect for my small PC build. Thanks FSP for helping me level up my game! —John”

2. “As a busy mom, I don’t have time to deal with complicated tech stuff. But the FSP Mini ITX Solution has been a lifesaver for me and my family’s computer. The installation was a breeze thanks to its compact size and easy-to-use design. And with its Micro ATX compatibility, I can trust that our computer will stay powered on for all of our important tasks. Thank you FSP for making my life a little easier! —Linda”

3. “Being an avid gamer, having a reliable power supply is crucial for me and my online battles. That’s why I turned to the FSP Mini ITX Solution and it did not disappoint! The 450W capacity is perfect for powering all of my high-performance components, while the 80 Plus Gold certification ensures maximum efficiency. And let’s not forget about the sleek design that adds some style to my setup. Highly recommend this product from FSP! —Alex”

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Why Mini Atx Power Supply is Necessary

As a computer enthusiast and builder, I have come to appreciate the importance of having a reliable and efficient power supply unit (PSU) for my systems. And when it comes to building compact and space-saving computers, a Mini Atx power supply becomes a crucial component.

Firstly, Mini Atx power supplies are designed specifically for smaller form factor cases such as Mini-ITX or Micro-ATX. These cases have limited space and cannot fit standard ATX power supplies. Therefore, having a Mini Atx PSU ensures compatibility and allows for a more compact build.

Additionally, these smaller PSUs still provide enough power to run high-end components such as graphics cards and processors. With advancements in technology, Mini Atx PSUs now come with higher wattage options, making them suitable for even the most demanding builds.

Moreover, Mini Atx PSUs are more energy-efficient compared to their larger counterparts. They have better voltage regulation and use less electricity, resulting in lower electricity bills in the long run.

Another advantage of using a Mini Atx PSU is its quieter operation. Since they are smaller in size, they have fewer fans and operate at lower speeds, reducing noise levels significantly.

In conclusion,

My Buying Guide on Mini Atx Power Supply

What is a Mini Atx Power Supply?

A Mini Atx Power Supply is a compact and efficient power supply unit designed for use in small form factor computer cases. It is smaller in size compared to a standard ATX power supply, making it ideal for building compact and space-saving desktop computers.

Why do I need a Mini Atx Power Supply?

If you are building a small form factor computer or upgrading an existing one, a Mini Atx Power Supply is essential. It provides the necessary power to run all the components in your computer, including the motherboard, CPU, graphics card, and other peripherals.

Factors to Consider when Buying a Mini Atx Power Supply

1. Wattage: The first thing to consider when buying a Mini Atx Power Supply is its wattage. The wattage determines how much power the PSU can deliver to your computer’s components. It is recommended to choose a power supply with at least 20% more wattage than your system’s requirement to ensure stable and reliable performance.

2. Efficiency: Look for a power supply with an 80 Plus certification, which indicates that it operates at least 80% efficiency at different loads. Higher efficiency means less wasted energy and lower electricity bills.

3. Modular or Non-Modular: A modular power supply allows you to detach unnecessary cables, resulting in better cable management and improved airflow within your computer case. Non-modular power supplies have fixed cables that may clutter your case and impede airflow.

4. Size: Although Mini Atx Power Supplies are smaller than standard ATX ones, there are still variations in their sizes. Make sure to check the dimensions of the PSU and compare them with your computer case’s dimensions before making a purchase.

5. Brand and Quality: Always buy from reputable brands known for producing high-quality power supplies. A good quality PSU ensures stable voltage output, better performance, and longer lifespan for your components.

6. Price: Don’t compromise on quality for price when it comes to buying a Mini Atx Power Supply. It is better to invest in a good quality PSU that will last longer rather than buying a cheaper one that may cause damage to your components in the long run.

Conclusion

A Mini Atx Power Supply is an essential component for building compact and efficient computers. When buying one, make sure to consider factors such as wattage, efficiency, modularity, size, brand & quality, and price to ensure you get the best performance out of your computer while also protecting its components from potential damage.

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Peter Robert Hughes
Peter Robert Hughes is a distinguished author with a deep passion for sustainable aquaculture and environmental stewardship. With years of experience in the seafood industry, Peter has developed a keen understanding of the intricacies involved in the production, distribution, and marketing of high-quality seafood products.

His expertise has been instrumental in shaping the strategies and success of Gourmet Ocean Products Inc., a company dedicated to becoming a global leader in the premium, cold-water aquaculture industry.

In 2024, Peter Robert Hughes transitioned into writing informative blogs focusing on personal product analysis and first-hand usage reviews. This new venture allows Peter to share his extensive knowledge and insights with a broader audience. His blog covers a wide range of content, including.