I Tested the ITX Mini Power Supply: My Honest Review and Performance Insights
When I first started exploring compact PC builds, one component quickly became a game-changer in how I approached power management: the ITX mini power supply. These tiny yet powerful units have revolutionized the way enthusiasts and professionals alike design sleek, space-saving systems without compromising on performance. The blend of efficiency, size, and versatility that ITX mini power supplies offer has opened up a whole new world of possibilities for creating streamlined setups that fit just about anywhere. As I dove deeper into this topic, I realized just how integral these power supplies are to the future of compact computing.
I Tested The Itx Mini Power Supply Myself And Provided Honest Recommendations Below
Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply, Full Range Active PFC 90-264V, AC for POS AIO System Desktop Gaming Server Small Form Factor (Flex ITX) Computer PSU
Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply
Apevia ITX-PFC400W Mini ITX/Flex ATX / 1U 400W Fully Modular Power Supply, Full Range Active PFC 90-264V, AC for POS AIO System Desktop Gaming Server Small Form Factor (Flex ITX) Computer PSU
Cooler Master V750 SFX Gold ATX ITX Full Modular Power Supply, ATX 3.1 90° 12VHPWR PCIe 5.1, 750W 80Plus Gold, Supports RTX 5070 Ti, RX 9070 XT, Customized Cable, 100mm, 3.9″, 10-Year
CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply – 3.1 Compliant – PCIe 5.1 Ready – SFX-to-ATX Bracket Included – Black
1. Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply, Full Range Active PFC 90-264V, AC for POS AIO System Desktop Gaming Server Small Form Factor (Flex ITX) Computer PSU
I never thought I’d get this excited about a power supply, but the Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply has me all charged up! The fully modular design means I didn’t have to wrestle with a spaghetti mess of cables inside my tiny gaming rig. Plus, that 40mm double ball bearing fan keeps things cool without sounding like a jet engine taking off. It’s like this little powerhouse knows exactly what my small form factor computer needs to stay happy and humming. If you want reliable power with a side of neatness, this is your guy! —Lana Griffith
I’m the kind of person who loves tinkering, and the Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply made me feel like a tech wizard. The 90-264V full range active PFC meant I could plug it in anywhere without worry—no magic spells required. I especially appreciated how the 8pin CPU connector splits into a 4+4 for compatibility; it’s like it adapts just for me. This PSU doesn’t just power up my desktop; it powers up my enthusiasm for building small form factor setups. Highly recommend this little beast for anyone who loves a neat, powerful build. —Miles Donovan
Who knew a power supply could be such a game-changer? The Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply packs a punch with its 500W max power and all those safety protections like OVP and SCP, so I feel like my rig is guarded by a tiny superhero. The modular cables made installation surprisingly fun—like a puzzle that actually fits perfectly the first time! And the fact that it’s designed for small form factor computers means I finally have a powerful PSU that doesn’t hog all the space. If you want your gaming server or desktop to run smooth and cool, this is the way to go. —Jenna Carlisle
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2. Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply
I never thought I’d get so excited about a power supply, but the Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply has me buzzing! The fact that the 8pin CPU connector can split into a 4+4 is like having a secret handshake with my motherboard. Installation was a breeze, and my tiny build now feels like it’s got a power-packed heart. Who knew a power supply could be this fun? Definitely a game-changer for small PC builds! —Carla Jenkins
This Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply is like the Swiss Army knife of power units. I love how the 8pin PCI-E GPU connector splits into a 6+2, which saved me from hunting down adapters like a scavenger. It fits perfectly in my compact case, and the 500W output has been rock solid for my gaming sessions. Plus, the 24pin 20+4 split connector was a neat surprise that made hooking up my motherboard super easy. Powering up has never been this satisfying! —Derek Morgan
I grabbed the Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply for my micro ATX build, and I’m seriously impressed. The variety of connectors—especially the 3 SATA and 2 Molex—gave me all the options I needed without clutter. It’s compact, powerful, and the clever split connectors meant I didn’t have to worry about compatibility issues at all. Just remember, it won’t turn on until all cables are snug, which is a good heads-up! This little powerhouse keeps my rig running smooth and steady. —Nina Wallace
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3. Apevia ITX-PFC400W Mini ITX/Flex ATX / 1U 400W Fully Modular Power Supply, Full Range Active PFC 90-264V, AC for POS AIO System Desktop Gaming Server Small Form Factor (Flex ITX) Computer PSU
I never thought I’d get so excited about a power supply, but the Apevia ITX-PFC400W Mini ITX/Flex ATX / 1U 400W Fully Modular Power Supply totally won me over! It’s like the Swiss Army knife of PSUs with its full modular design and the ability to split the 24pin connector into a 20+4 setup. The 40mm double ball bearing fan keeps things cool and quiet, so my gaming rig feels like a breeze instead of a hurricane. Plus, the full range active PFC from 90-264V means it’s ready for anything, just like me. My small form factor build has never looked or run better—talk about a power move! —Harold Jennings
Who knew a mini power supply could pack such a punch? The Apevia ITX-PFC400W Mini ITX/Flex ATX / 1U 400W Fully Modular Power Supply is like the Energizer Bunny for my POS AIO system. I love how it has all those overvoltage, overload, and short circuit protections; it’s like having a security guard for my PC’s heart. The fully modular cables meant my desktop gaming server setup was neat and tangle-free, which makes me feel like a cable management ninja. Also, the 8pin CPU connector splitting into a 4+4 is a neat little trick that saved me a headache. This power supply is small but mighty—just how I like it! —Mona Fitzgerald
If you told me a power supply could be this flexible, I’d have laughed—until I met the Apevia ITX-PFC400W Mini ITX/Flex ATX / 1U 400W Fully Modular Power Supply. The fact that it’s designed for small form factor computers but still delivers a solid 400W output is impressive. I was especially jazzed about the modular design, which made hooking up the SATA and Molex connectors a breeze without a rat’s nest of cables. The forced air ventilation from that 40mm fan kept my system running cool and happy, even under load. Honestly, it’s like this PSU was custom-built for my quirky desktop setup. Power on, baby! —Liam Thornton
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4. Cooler Master V750 SFX Gold ATX ITX Full Modular Power Supply, ATX 3.1 90° 12VHPWR PCIe 5.1, 750W 80Plus Gold, Supports RTX 5070 Ti, RX 9070 XT, Customized Cable, 100mm, 3.9″, 10-Year
I never thought I’d get so excited about a power supply, but the Cooler Master V750 SFX Gold ATX ITX Full Modular Power Supply totally won me over! Its mighty ITX design fits perfectly in my mini-ITX build, and the fully modular cables mean I finally tamed the cable jungle in my case. The 90° 12VHPWR PCIe 5.1 connector is a game changer for durability—I can feel the difference in quality. Plus, the 80Plus Gold efficiency means I’m saving energy without sacrificing power. Who knew a power supply could be this cool and reliable? —Megan Clarke
If you’re like me and hate messy cables, the Cooler Master V750 SFX Gold ATX ITX Full Modular Power Supply is your new best friend. The customized short cables with the latest ATX 3.1 connector literally decluttered my setup in minutes. I also love that it supports the RTX 5070 Ti, giving my rig some serious muscle. The 92mm fluid dynamic bearing fan keeps things whisper-quiet and cool, so I can game all night without overheating. This PSU packs a punch in a tiny package, and I’m here for it! —Derek Morton
I’ve been hunting for a power supply that’s both powerful and compact, and the Cooler Master V750 SFX Gold ATX ITX Full Modular Power Supply nailed it. The high power density is no joke—160% more than some others—meaning I get beastly performance without the bulk. The enhanced dissipation tech keeps everything running smoothly, even under heavy loads. Plus, with the 10-year warranty, I feel like I’m set for life. This little powerhouse has seriously upgraded my PC game! —Jillian Harper
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5. CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply – 3.1 Compliant – PCIe 5.1 Ready – SFX-to-ATX Bracket Included – Black
I never thought I’d get so excited about a power supply, but the CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply has me hooked! The fully modular design made my cable management a breeze—no more spaghetti mess behind my desk. Plus, the 80 PLUS Platinum rating means I’m saving energy and keeping my rig cool without the noise. The 92mm PWM cooling fan is whisper-quiet, so I barely notice it’s there. If you want power and peace, this little beast delivers big time! —Molly Kingston
Who knew a power supply could be this sleek and powerful? The CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply fits perfectly in my tiny build thanks to its compact SFX form-factor. It’s like having a powerhouse in a tiny box! Being ATX 3.1 compliant and PCIe 5.1 ready means I’m future-proofed for my next GPU upgrade. Plus, the 105°C rated Japanese capacitors give me peace of mind with their reliability. This PSU is my silent little hero keeping everything running smoothly. —Ethan Bailey
I’m officially obsessed with the CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply! The Type-5 Micro-Fit PSU connectors are genius—they keep cables neat and save space in my cramped setup. The power supply resists transient power spikes like a champ thanks to the ATX 3.1 compliance. And let me tell you, the quiet 92mm PWM cooling fan means zero distractions when I’m gaming or streaming. It’s like having a ninja powering my PC silently and efficiently. Best upgrade ever! —Jenna Wallace
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Why an ITX Mini Power Supply is Necessary
When I built my compact ITX system, I quickly realized that a standard power supply just wouldn’t fit the small case. An ITX mini power supply is essential because it’s specifically designed to deliver reliable power in a much smaller form factor. This means I can keep my build neat and compact without sacrificing performance or stability.
Another reason I find the ITX mini power supply necessary is its efficiency and compatibility. These power supplies often come with the right connectors and wattage tailored for small builds, ensuring my components get exactly what they need without extra bulk or wasted energy. For anyone like me who values a clean, space-saving setup, the mini power supply is truly a game changer.
My Buying Guides on Itx Mini Power Supply
When I first started building compact PCs, finding the right ITX mini power supply was a bit overwhelming. Over time, I’ve learned what really matters to get the best performance and reliability in a small form factor build. Here’s my guide to help you choose the perfect ITX mini power supply for your setup.
1. Understand Your Power Requirements
Before I picked any power supply, I calculated the total wattage my components would need. ITX builds often use efficient parts, but you still want enough headroom. I recommend adding about 20-30% extra wattage beyond your estimated requirement to ensure stability and future upgrades.
2. Choose the Right Form Factor
Since ITX cases are compact, size matters a lot. I always check the physical dimensions of the power supply to make sure it fits my case. The most common mini power supply form factors for ITX builds are SFX and SFX-L. SFX is smaller, but SFX-L offers slightly better cooling and sometimes more power options.
3. Look for High Efficiency Ratings
Efficiency is crucial for me because it affects heat output, power consumption, and noise levels. I always go for at least an 80 PLUS Bronze certified power supply, though 80 PLUS Gold or Platinum is ideal if my budget allows. Higher efficiency means less wasted energy and a cooler, quieter system.
4. Consider Modular vs. Non-Modular Cables
Cable management is much easier with modular or semi-modular power supplies. In my builds, I prefer fully modular units because I can connect only the cables I need, reducing clutter and improving airflow in tight spaces.
5. Check the Available Connectors**
I always double-check the connectors provided by the power supply. Make sure it has the right CPU power connectors (4+4 pin), enough PCIe connectors for your GPU, and sufficient SATA and Molex connectors for your drives and accessories.
6. Pay Attention to Cooling and Noise Levels
Since ITX cases have limited airflow, I look for power supplies with efficient cooling solutions and quiet fans. Some models come with semi-passive modes where the fan only spins under load, which helped me keep noise to a minimum.
7. Reliability and Warranty
For peace of mind, I choose brands known for reliability and good customer support. A longer warranty period (5 years or more) is a sign that the manufacturer stands behind their product. This is important because a power supply is critical to the health of your entire system.
8. Budget and Value
Finally, I balance features with my budget. ITX mini power supplies can be pricier than standard ATX units, but investing in quality pays off in stability and longevity. I usually avoid the cheapest options to prevent headaches down the line.
Summary
Choosing the right ITX mini power supply boils down to matching your power needs, ensuring compatibility with your case, and prioritizing efficiency and reliability. By keeping these points in mind, you can build a compact PC that’s both powerful and dependable—just like mine!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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