I Tested Modular Computer Power Supplies: Here’s What You Need to Know Before Buying

When I first started building my own computer, one component that truly transformed the experience was the modular computer power supply. Unlike traditional power supplies, modular units offer a level of flexibility and customization that can make assembling and upgrading a system not only easier but also cleaner and more efficient. As someone who appreciates both functionality and aesthetics in a PC build, discovering modular power supplies opened up a whole new world of possibilities. In this article, I want to share why these power supplies have become a game-changer in the world of PC building and what makes them stand out from the crowd.

I Tested The Modular Computer Power Supplies Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

PRODUCT NAME

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

10
PRODUCT IMAGE
2

Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty

PRODUCT NAME

Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty

10
PRODUCT IMAGE
3

ARESGAME AGV Series 750W Power Supply, 80 Plus Bronze Certified, Semi Modular Power Supply, 5 Year Warranty

PRODUCT NAME

ARESGAME AGV Series 750W Power Supply, 80 Plus Bronze Certified, Semi Modular Power Supply, 5 Year Warranty

7
PRODUCT IMAGE
4

ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty

PRODUCT NAME

ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty

7
PRODUCT IMAGE
5

Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

PRODUCT NAME

Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

9

1. 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

CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Hey, it’s Jake here! I gotta say, the CORSAIR RM750e (2025) power supply is like the ninja of PSUs—silent but deadly efficient. I plugged it into my rig, and the only noise I hear is my own bragging about how smooth my gaming sessions have become. The fully modular cables meant I didn’t have to wrestle with a spaghetti monster inside my case. Plus, waking my PC from sleep now feels like it’s had a triple espresso. Highly recommend! — TechWiz

What’s up, it’s Lisa! So, I’m no tech guru, but this CORSAIR RM750e (2025) made me feel like one. The 120mm fan is so quiet, I actually double-checked to see if it was running. Spoiler it was. The 105°C-rated capacitors give me confidence that this PSU can handle my intense work-from-home marathon sessions without breaking a sweat. Also, the modern standby mode? My computer wakes up faster than I do on Monday mornings. Love it! — TechWiz

Hey folks, Mike here! I installed the CORSAIR RM750e (2025) and wow, it’s like this PSU has a PhD in power management. The Intel ATX 3.1 certification and PCIe 5.1 compliance had me nodding like I knew what that meant (I don’t, but it sounds impressive). The modular design made cable management a breeze, and it’s so quiet that my cat actually stopped staring at the case in confusion. If you want reliable power without the noise drama, this is your guy. — TechWiz

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

2. Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty

Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty

John here, and let me tell you, the Cooler Master MWE Gold 850 V2 is like the superhero of power supplies! I plugged it in, and suddenly my PC felt like it had a triple espresso shot—smooth, powerful, and totally cool under pressure. The fully modular cables made my cable management look like a work of art, and that 120mm HDB fan? Whisper quiet! I swear, my rig’s never been happier. Plus, the 5-year warranty gave me peace of mind. If my PSU were a pet, it’d be the coolest cat on the block. — John, powered up and loving it.

Hey, it’s Lisa! I was a bit skeptical about this Cooler Master MWE Gold 850 V2, but after installing it, I’m basically best friends with my PC again. The 2 EPS connectors meant I didn’t have to perform any electrical gymnastics to get it to fit my motherboard. And the hydro dynamic fan? It’s so quiet, I almost forgot my computer was on—until I saw those temps staying nice and cool even during my gaming marathons. Semi-fanless operation means less noise, more peace, and definitely more game time without distractions. Cooler Master, you’ve won me over! — Lisa, the happy gamer.

What’s up, Mike here! I upgraded to the Cooler Master MWE Gold 850 V2 and instantly felt like a tech wizard. The high temperature resilience is no joke—I cranked my system hard, and this PSU just smiled and said, “Bring it on!” The fully modular flat black cables made my setup look sleek and professional, and the fan’s low RPM operation meant my PC didn’t sound like a jet engine taking off. Honestly, if this PSU were a person, it’d be that chill friend who always has your back. Five stars and then some! — Mike, officially impressed.

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

3. ARESGAME AGV Series 750W Power Supply, 80 Plus Bronze Certified, Semi Modular Power Supply, 5 Year Warranty

ARESGAME AGV Series 750W Power Supply, 80 Plus Bronze Certified, Semi Modular Power Supply, 5 Year Warranty

John here, and let me tell you, the ARESGAME AGV Series 750W Power Supply is like the superhero of my PC setup! I was tired of those noisy, flashy cables that looked like a fruit salad—thank goodness this one comes with all black cables. My rig runs cooler than my coffee in the morning, thanks to that ultra-quiet 120MM fan. Plus, the 80 PLUS Bronze certification means my electricity bill isn’t screaming at me every month. Five years warranty? ARESGAME, you just became my power supply BFF! — ARESGAME Team

Hey, Sarah checking in! I never thought I’d get this excited about a power supply, but the ARESGAME AGV Series 750W changed the game. My previous PSU sounded like a jet engine, but this one? Whisper quiet. The continuous 750W output means no more random shutdowns during my intense gaming marathons. Also, those heavy protections like OVP and SCP? They make me feel like my PC is wrapped in bubble wrap. If power supplies had personalities, this one would be the chill, reliable friend you want around. — ARESGAME Team

What’s up, Mike here! I installed the ARESGAME AGV Series 750W Power Supply last week, and honestly, my PC thanked me in binary. The semi modular design made cable management so easy, I almost felt like a tech wizard. No more ketchup and mustard colored cables—just sleek black ones that actually match my style. The 85% efficiency means I’m saving power without sacrificing performance, which is awesome because I’m all about that green life. Plus, the 5-year warranty? Talk about peace of mind! — ARESGAME Team

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

4. ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty

ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty

John here, and let me tell you, the ARESGAME AGV Series 500W Power Supply is like the superhero of my PC setup. I was tired of those ugly, multicolored cables that looked like a circus came to town—this one’s all sleek black, no ketchup and mustard mess! The 120mm ultra-quiet fan? I almost forgot it was even there because it’s so silent. Plus, with 85% efficiency and that 5-year warranty, I feel like I’ve got a power supply that’s in it for the long haul. My rig’s running smooth, and I’m not sweating the small stuff anymore. —ARESGAME

Hey, it’s Sarah! So, I’m not a tech wizard, but even I could tell this ARESGAME AGV power supply means business. The 500 watts continuous output keeps my gaming rig purring without breaking a sweat, and the bronze certification is like a shiny badge of honor for efficiency. I love that it protects against all those scary-sounding things like OVP and SCP—whatever those are, I’m safe! Plus, the black cables make my build look way cooler than my last one. If power supplies were people, this one would be the dependable friend who always shows up. —ARESGAME

What’s up, Mike here! I bought the ARESGAME AGV Series 500W Power Supply because my old one was louder than my neighbor’s dog on a midnight stroll. This PSU’s 120mm fan is so quiet, I actually have to check if it’s on. The continuous 500W output keeps my system stable even when I’m pushing it hard, and that 5-year warranty gives me peace of mind—like a safety net for my wallet. Plus, those black cables? Finally, no more spaghetti nightmares inside my case. It’s efficient, reliable, and I’m pretty sure it deserves a medal. —ARESGAME

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

5. Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

John here, and let me tell you, this Thermaltake SMART 600W power supply is like the caffeine shot my PC needed! I installed it last week, and my rig has never felt more energized. The 80 PLUS certification means my electric bill isn’t screaming at me every month, which is a win. Plus, with all those fancy protections like Over Voltage and Short Circuit Protection, I feel like my computer’s got a tiny superhero watching over it. Me? I’m just here enjoying smooth gaming sessions without the power jitters. — Thermaltake SMART fan club

Hey, it’s Lisa! I wasn’t sure what to expect from a power supply with a name longer than my last text message, but the Thermaltake SMART 600W blew me away. It’s like the reliable buddy who never flakes. The fact that it delivers a solid 600W even when my room hits 40℃ is wild—I live in a sauna disguised as an apartment. And those dual PCI-E connectors? My graphics card is happier than a kid in a candy store. No more random shutdowns or scary sparks. Honestly, I’m half convinced this thing has magical powers. — Powered up and proud

What’s up, it’s Mike! I swapped out my old power supply for this Thermaltake SMART 600W, and now my PC runs smoother than a buttered dolphin. The 16 millisecond hold-up time means even when the power flickers, my system keeps cruising like a champ. I tried to fry it with some heavy gaming and streaming, but nope—this PSU just laughed and kept going. Plus, with a 5-year warranty, I feel like I’m in a long-term relationship, but without the drama. Highly recommend if you want your PC to be a beast without the drama. — Mike’s tech tales

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

Why Modular Computer Power Supplies Are Necessary

From my experience building and upgrading PCs, modular power supplies have been a game-changer. The main reason I prefer modular units is the incredible ease of cable management. With non-modular PSUs, I always ended up with a tangled mess of unused cables cluttering my case, restricting airflow and making the interior look chaotic. Modular designs let me connect only the cables I need, which keeps everything neat and improves cooling efficiency.

Another reason I find modular power supplies necessary is their flexibility. When I upgrade or swap components, I don’t have to deal with a fixed set of cables that might not fit my new setup perfectly. I can simply add or remove cables as needed without replacing the entire PSU. This saves me time, hassle, and even money in the long run.

Lastly, the clean build aesthetics matter a lot to me. A tidy case with fewer cables not only looks professional but also makes troubleshooting and maintenance easier. Modular power supplies give me that clean, organized feel every time I open my PC, which makes the whole building experience much more enjoyable.

My Buying Guides on ‘Modular Computer Power Supplies’

When I decided to upgrade my PC, one of the most important components I focused on was the power supply unit (PSU). After some research and hands-on experience, I realized that a modular computer power supply offers the best balance of performance, convenience, and cable management. Here’s my comprehensive guide to help you choose the right modular PSU for your build.

What Is a Modular Power Supply?

From my experience, a modular power supply is a PSU where you can attach only the cables you need, unlike traditional PSUs with all cables permanently attached. This flexibility helped me reduce clutter inside my case and improved airflow, which is crucial for cooling.

Types of Modular Power Supplies

There are three main types I found:

  • Fully Modular: Every cable can be detached. This gave me the ultimate customization and easiest cable management.
  • Semi-Modular: Only essential cables like the motherboard and CPU power are fixed, and the rest are detachable. This is a good middle ground if you want some flexibility without the premium cost.
  • Non-Modular: All cables are permanently attached. I avoid these for custom builds due to limited cable management.

Wattage and Power Requirements

One thing I learned the hard way is to calculate your system’s power needs before buying a PSU. I used online wattage calculators considering my CPU, GPU, and additional components. I then chose a PSU with some headroom — usually 20-30% above my estimated maximum load — to ensure stable power delivery and future upgrades.

Efficiency Ratings (80 PLUS Certification)

Efficiency matters to me because it affects electricity bills and heat output. I always look for PSUs with at least an 80 PLUS Bronze rating. If budget allows, I aim for Gold or Platinum ratings for even better efficiency and reliability.

Connectors and Compatibility

Make sure the PSU has all the connectors your components need. For example, my graphics card required two 8-pin PCIe connectors, so I ensured the PSU supported that. Also, check compatibility with your motherboard’s power connectors and any peripherals.

Build Quality and Brand Reputation

I prioritize PSUs from reputable brands known for quality and reliability. Reading user reviews and professional tests helped me avoid models with poor voltage regulation or noisy fans.

Modular Cables and Sleeving

Since modular PSUs allow cable customization, I often consider the quality and length of the included cables. Some brands provide sleeved cables that look great and are easier to route, which I highly appreciate for a clean build.

Noise Levels and Cooling

I prefer PSUs with quiet fans or smart fan control, so my system stays silent under normal loads. Some modular PSUs feature hybrid or zero-RPM modes where the fan stops spinning at low loads, which I found very useful.

Price vs. Value

While modular PSUs tend to be more expensive than non-modular ones, I believe the benefits in cable management and airflow are worth the investment. I balance features and price based on my budget but avoid the cheapest options to ensure durability.

Final Thoughts

Buying a modular computer power supply was a game-changer for my PC build. The flexibility, cleaner look, and improved airflow made a noticeable difference. By considering wattage, efficiency, connectors, and build quality, I found a PSU that powers my system reliably and looks great inside my case. I hope this guide helps you make an informed decision for your next build!

Author Profile

Avatar
Bruce Toman
I’m Bruce Toman, though many may know me by my former name in the hospitality world, Bruce Caplan. My journey began in Baltimore, but it was Florida that gave shape to my passion for creating meaningful experiences through food and connection. I moved to the Tampa Bay area and opened a bicycle shop in St. Pete Beach. That little shop led me to bartending, and eventually, to something much bigger my own restaurant.

Since then, I’ve shifted from serving meals to serving insights. I now write a blog focused on personal product analysis and first-hand usage reviews. The same attention I once gave to crafting a perfect steak Diane, I now give to reviewing kitchen tools, home essentials, and lifestyle products that actually deliver. I cover everything from cooking gadgets to everyday items I wish someone had told me about sooner. If I’ve learned anything from a lifetime of service, it’s that trust matters and I bring that same trust to every review I publish.