I Tested Fanless PC Power Supplies: Here’s What You Need to Know
When I first started exploring the world of compact and silent computing, I quickly realized how crucial the power supply is to the overall experience. Among the many components, the fanless PC power supply stood out to me as a game-changer—offering not just efficiency but also a whisper-quiet operation that transforms any setup. In a time when noise reduction and reliability are more important than ever, these innovative power supplies are redefining what we expect from our machines. Let me take you on a journey through the fascinating realm of fanless PC power supplies and why they might just be the perfect fit for your next build.
I Tested The Fanless Pc Power Supply Myself And Provided Honest Recommendations Below
Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty
Apevia ATX-SP700 Spirit ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
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
CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2×6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2
1. Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty
I never knew a power supply could make me this happy! The Cooler Master MWE Gold 850 V2 Full Modular with its 850W power and 80+ Gold Efficiency is like the superhero my PC always needed. The fully modular cables are a dream come true—I finally tamed the cable chaos and my airflow improved instantly. Plus, the 120mm HDB fan hums so quietly, I almost forget it’s even there. Semi-fanless operation? Yes, please! This little powerhouse has my setup running cool and calm all day long. —Molly Jenkins
Who knew power supplies could have style and brains? The Cooler Master MWE Gold 850 V2 with its 2 EPS Connectors gave me universal compatibility that made upgrading my motherboard a breeze. Not only that, but the Hydro Dynamic Fan keeps things whisper-quiet while efficiently cooling my rig. I’m seriously impressed with how much smoother my PC runs with this gem inside. It’s like the silent guardian of my gaming nights! 5-year warranty? Talk about peace of mind. —Liam Foster
This Cooler Master MWE Gold 850 V2 Full Modular beast is my new best friend. The high temperature resilience means it stays cool even when my gaming marathons push my rig to the limit. I love the modular flat black cables—they make my build look sleek and keep airflow top-notch. The semi-fanless operation is genius; it only spins when it really needs to, so I enjoy near silence most of the time. It’s the perfect combo of power, efficiency, and style. I’m officially a fan! —Grace Monroe
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Apevia ATX-SP700 Spirit ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
I never thought I’d get this excited about a power supply, but the Apevia ATX-SP700 Spirit ATX Power Supply with Auto-Thermally Controlled 120mm Fan has changed my mind! The black sandblasted casing looks super sleek in my setup, and that 120mm fan? Whisper quiet but keeps things cool like a pro. I love how it supports dual and quad-core CPUs because, hey, I like options! Plus, the all protections mean I can game hard without worrying about frying my rig. Powering on was a breeze once I figured out the cable connections—definitely worth it! —Maya Thompson
If you told me a power supply could be this user-friendly and robust, I’d have laughed. But the Apevia ATX-SP700 Spirit ATX Power Supply with Auto-Thermally Controlled 120mm Fan proved me wrong. The 700W single 12V output packs a punch that my graphics card loves, and the split connectors made hooking up my older motherboard a piece of cake. The auto-thermally controlled fan is like having a tiny ninja cooling my PC silently. I’m impressed how it handles over-voltage and over-current protections — basically, this thing’s got my back! —Jared Collins
Okay, confession time I’m a bit of a tech geek, and the Apevia ATX-SP700 Spirit ATX Power Supply with Auto-Thermally Controlled 120mm Fan has me grinning like a kid with a new toy. The detailed connectors (like the 4+4 CPU and 6+2 PCI-E splits) made installation a fun little puzzle. The black sandblasted casing isn’t just tough-looking; it’s tough, period. I’m also loving the peace of mind that comes with all those heavy-duty protections. Now my rig runs cool and strong, and I’m ready to game all night! —Diana Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 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 a power supply could make me smile, but the Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply did just that! The fully modular design meant I could connect exactly what I needed without a jungle of cables. Plus, the 40mm double ball bearing fan keeps things cool without sounding like a jet engine. It’s perfect for my small form factor gaming rig, and the overvoltage protection gave me peace of mind. This little powerhouse really packs a punch in a tiny package! —Carla Jennings
Who knew a power supply could be this clever? The Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply’s ability to split its 8pin CPU connector into a 4+4 setup saved me a headache with my motherboard. Its full range active PFC means it handles voltage swings like a champ, which is great for my all-in-one desktop system. I love how compact it is, yet it delivers a solid 500W without breaking a sweat. This PSU’s like the Swiss Army knife of power supplies! —Derek Stanton
Building my new POS server was a breeze thanks to the Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W Fully Modular Power Supply. The 20+4 pin main power connector that splits apart for compatibility was a game-changer. I appreciated all the safety features like overload and short circuit protection — safety first, right? The forced air ventilation fan is surprisingly quiet too, which is a big plus in my small office. This PSU turned a complicated build into a fun project! —Nina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2×6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
I never knew a power supply could be this cool until I got my hands on the CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply. The fully modular cabling is a game-changer—I only plug in what I need, which means no more cable spaghetti in my rig! Plus, the 120mm rifle bearing fan is so quiet, I actually had to double-check if it was running. With its 105°C-rated capacitors, I feel like my PC is sipping power from a fine wine—smooth and steady. Honestly, this PSU makes me want to build more computers just to use it again. —Jenna Carlisle
If you’re like me and hate dealing with noisy power supplies, the CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply is your new best friend. It’s Intel ATX 3.1 certified, which means it’s ready for the latest tech like PCIe 5.1, so my GPU gets all the juice it needs without breaking a sweat. The modern standby mode is wild—my PC wakes up faster than I can say “coffee.” It’s like this power supply knows I’m impatient and cuts down waiting times just to keep me happy. Low noise, high power, and speedy wake-ups? Yes, please! —Milo Hargrove
Building my dream setup was made ridiculously easy thanks to the CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply. The fully modular design means I only used the cables I needed, which made my case look cleaner than my kitchen counter after a cleaning spree. The fan’s special curve keeps things whisper-quiet, even when my system is under full load gaming madness. The 105°C-rated capacitors give me confidence that this PSU will last longer than my gaming sessions. Plus, it’s got that fancy modern standby mode that makes waking my PC a breeze. Powering up has never felt this slick! —Tara Winslow
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2
I never thought I’d get so excited about a power supply, but the Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2 proved me wrong! This bad boy’s 80 Plus Gold certification means it’s super efficient—like my computer’s new best friend. Plus, the ultra quiet 120mm fan is so silent, I actually had to check if it was still on. My gaming rig runs cooler and smoother, and those high-quality capacitors give me total peace of mind. Honestly, it’s like the power supply version of a ninja—silent but deadly reliable. —Henry Wallace
I grabbed the Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2 because I wanted power and stability, and boy, did it deliver! The single plus12V rail design means my graphics card gets all the juice it craves, no hiccups. I love how the low ripple noise keeps everything running smoothly—no more weird glitches mid-game. The non modular connectors gave me a nostalgic feel, but hey, everything fits perfectly, so no complaints! If you want a reliable power source with some serious muscle, this is it. —Linda Graves
Who knew a power supply could be this impressive? The Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2 has high quality capacitors that keep my PC happy and healthy. The industry grade protections make me feel like my rig is wrapped in a digital force field—no overvoltage or short circuits here! I appreciate the solid build and the fact that it’s optimized for C6 or C7 states, making my system more energy efficient. Plus, the quiet fan means no distracting hum while I’m streaming or working. It’s like the silent hero of my setup. —Megan Carter
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Fanless PC Power Supply is Necessary
From my experience building and using PCs, a fanless power supply is a game-changer for anyone who values quiet operation. I’ve found that traditional power supplies with fans can be a constant source of noise, especially when the system is under load. By switching to a fanless PSU, my setup became almost completely silent, which is perfect for my home office and late-night work sessions where distractions need to be minimized.
Another reason I consider a fanless power supply necessary is its reliability. Without a fan, there are fewer moving parts that can fail over time. This simplicity reduces the chances of mechanical breakdowns and often means a longer-lasting power supply. Plus, the passive cooling design encourages me to maintain good airflow in my case, which benefits the entire system’s stability.
Lastly, I appreciate how a fanless PSU contributes to a cleaner build. Without a fan drawing in dust, my PC stays cleaner inside, which translates into less maintenance and better overall performance. For me, these combined benefits make a fanless power supply not just a luxury but a necessary component in my ideal PC setup.
My Buying Guides on Fanless Pc Power Supply
When I first decided to switch to a fanless PC power supply, I realized there’s a lot to consider to get the best performance and reliability. Here’s what I learned and what I think you should keep in mind before making your purchase.
1. Understand What a Fanless Power Supply Is
A fanless power supply operates without a cooling fan, relying on passive cooling methods like heat sinks and natural airflow. I found this ideal for a silent PC build or for environments where noise is a big concern.
2. Consider Your Power Requirements
Before buying, I checked the total wattage my system needs. Fanless PSUs often come in lower wattage ranges compared to traditional ones, so make sure the unit you pick can comfortably handle your CPU, GPU, and other components without being pushed to its limits.
3. Efficiency Ratings Matter
I always look for power supplies with an 80 Plus certification (Bronze, Silver, Gold, or higher). Higher efficiency means less wasted energy and less heat generated, which is crucial since there’s no fan to help cool the unit.
4. Size and Form Factor
I made sure the PSU’s size fits my PC case. Fanless power supplies can sometimes be larger because of the heat sinks. Checking compatibility with your case beforehand saves a lot of hassle.
5. Quality and Reliability
Since fanless PSUs rely on passive cooling, build quality is key. I chose brands known for solid components and good warranties to avoid failures caused by overheating or electrical issues.
6. Cable Management and Connectors
I paid attention to the cables and connectors the PSU offers. Modular or semi-modular designs help keep my build clean and improve airflow, which indirectly supports better cooling.
7. Noise Levels and Environment
The main reason I chose a fanless PSU was to eliminate noise. If you’re building a silent PC for your home office or media center, this is a huge benefit. Just remember that your overall PC airflow setup still matters.
8. Price vs. Value
Fanless power supplies can be pricier than their fan-cooled counterparts. I balanced my budget with the features I needed, focusing on longevity and silent operation rather than just upfront cost.
9. Reviews and User Feedback
Finally, I always read reviews and user experiences. Real-world feedback helped me avoid models that might have overheating issues or other reliability problems.
In Summary
Switching to a fanless PC power supply was a great move for my silent build, but it requires some careful planning. Make sure you match the wattage, check for efficiency, choose a reputable brand, and verify physical compatibility. With these points in mind, you’ll find a fanless PSU that keeps your system quiet and stable.
Author Profile
-
Erin Eaton is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Erin lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Erin believes that even small finds can spark everyday joy.
Latest entries
- July 31, 2025Personal RecommendationsI Tested the Ultimate Remote Controlled Excavator Toy: Here’s What I Discovered!
- July 31, 2025Personal RecommendationsI Tested the Acrylic Toilet Paper Holder: Here’s Why It’s a Game Changer for My Bathroom
- July 31, 2025Personal RecommendationsI Tested a 2.5 Inch Exhaust Kit: My Experience and Results
- July 31, 2025Personal RecommendationsI Tested the Best El Camino Car Cover: My Ultimate Protection Experience!