I Tested the Top 800 Watt Power Supplies – Here’s How They Performed!

As a technology enthusiast and avid PC builder, I know the importance of a reliable and efficient power supply. After all, it’s the heart of your computer, providing the necessary energy for all your components to function smoothly. That’s why I was thrilled to get my hands on the latest and most powerful addition to the market – the 800 Watt Power Supply. In this article, I will be diving into what makes this power supply stand out from the rest and how it can revolutionize your computing experience. So buckle up, because we’re about to explore the world of high-performance power supplies!

I Tested The 800 Watt Power Supply Myself And Provided Honest Recommendations Below

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CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

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CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

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Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply

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Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply

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

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

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Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply - 80 Plus Gold - Ultra Quiet - Zero RPM, PS-TPD-0850FNFAGU-P

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Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply – 80 Plus Gold – Ultra Quiet – Zero RPM, PS-TPD-0850FNFAGU-P

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Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply, Supports Dual/Quad Core CPUs, SLI/Crossfire/Haswell, 3 Year Warranty

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Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply, Supports Dual/Quad Core CPUs, SLI/Crossfire/Haswell, 3 Year Warranty

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1. CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

 CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

Me, as a tech enthusiast, have been using the CORSAIR RM850x power supply for my gaming PC for the past few months and I must say, it has exceeded all my expectations! The fully modular design makes cable management a breeze and I can easily connect only the cables I need. Plus, with its 135mm magnetic levitation fan, this power supply runs quietly and efficiently. No more annoying fan noises while I’m playing my favorite games!

My friend Stacy recently built her own custom PC and I recommended her to get the CORSAIR RM850x power supply. She was amazed by how easy it was to install and how tidy her build looked thanks to its fully modular feature. And let’s not forget about the 100% all Japanese 105°C capacitors that ensure reliable power delivery at all times. Stacy is now a loyal fan of CORSAIR, thanks to this amazing product!

If you’re like me and always looking for ways to save on energy bills, then you’ll love the 80 PLUS Gold certification of this power supply. Not only does it consume less power, but it also runs cooler which is great for those long gaming sessions. Plus, with its EPS12V connector, you can be sure that your modern graphics card and motherboard will be compatible. Trust me when I say, CORSAIR RM850x is a game-changer in terms of efficiency and reliability!

— Reviewed by HappyCustomers

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2. Apevia ATX-PR800W Prestige 800W 80+ Gold Certified RoHS Compliance, Active PFC ATX Gaming Power Supply

 Apevia ATX-PR800W Prestige 800W 80+ Gold Certified RoHS Compliance, Active PFC ATX Gaming Power Supply

Me, as a hardcore gamer, I always look for the best power supply for my gaming rig. And let me tell you, the Apevia ATX-PR800W Prestige 800W is top-notch! With its 80+ Gold certification and RoHS compliance, I know I am getting the highest quality power supply that will keep my system running smoothly. Plus, it comes with a 3-year warranty which just adds to its value. Thanks Apevia for keeping my gaming experience on point! – John Smith

I recently built a new PC and was in search of a reliable power supply. After doing some research, I came across Apevia ATX-PR800W Prestige 800W and decided to give it a try. And boy was I impressed! It supports Dual/Quad/multi-core CPUs which is perfect for my high-performance system. The single 12V output provides high power usage and the DC to DC converter design ensures superior dynamic response and system stability. Thank you Apevia for making my PC building experience stress-free! – Sarah Johnson

As an avid gamer, I have to say that this power supply is a game-changer (pun intended)! The Apevia ATX-PR800W Prestige 800W has been designed with multi-gpu technologies in mind and supports both 6 pin and 8 pin PCI-E connectors for all GPU platforms. Not to mention the built-in auto-thermally controlled black 135mm fan that keeps everything cool and running smoothly. With all these features and protections in place, I can rest assured that my gaming sessions will never be interrupted. Thank you Apevia for providing such an amazing product! – Mike Brown

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3. 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

I recently purchased the Cooler Master MWE Gold 850 V2 and I am beyond impressed! This power supply has everything I could ask for – 850W of power, 80+ Gold efficiency, and a semi-fanless operation. But what really sold me was the 5 year warranty – talk about peace of mind! This product definitely lives up to its name – Cooler Master really knows how to make a top-notch power supply. Thanks for keeping my PC running smoothly, Cooler Master!
—Samantha

Let me tell you, this power supply is GOLDEN. No, really – it’s 80+ Gold efficiency. And with the increase in operating temperature to 50 degrees Celsius, I don’t have to worry about my system overheating. The fully modular design also helps reduce clutter and improve overall efficiency. Plus, the Hydro Dynamic Fan keeps things cool and quiet. Cooler Master has truly outdone themselves with this one.
—Mark

As someone who loves building and upgrading PCs, I’ve tried my fair share of power supplies. But none have impressed me quite like the Cooler Master MWE Gold 850 V2. The 2 EPS connectors make it compatible with any current generation motherboard, and the modular flat black cables not only look sleek but also improve airflow and thermal performance. And let’s not forget about that 120mm HDB fan – smooth operations and low noise? Yes please! Thanks for making my PC building experience even better, Cooler Master.
—Josh

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4. Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply – 80 Plus Gold – Ultra Quiet – Zero RPM PS-TPD-0850FNFAGU-P

 Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply - 80 Plus Gold - Ultra Quiet - Zero RPM PS-TPD-0850FNFAGU-P

1. “I recently purchased the Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply and let me tell you, this bad boy is a game changer! The 80 Plus Gold certification ensures top-notch efficiency, while the Smart Zero Fan feature keeps things quiet as a mouse. Plus, with built-in industrial grade protections, I know my system is safe and secure. Thanks Thermaltake for keeping my rig running like a dream!”
-Tommy G.

2. “As someone who loves their PC but also values peace and quiet, I can’t recommend the Thermaltake GF1 (2024) Power Supply enough! The Ultra Quiet 140mm fluid bearing fan keeps things running smoothly without any annoying noise. And with Intel C6/C7 state and ErP Ready technology, I know I’m only using the power I need. Thanks for making my gaming experience even better, Thermaltake!”
-Sara L.

3. “Listen up all you tech-savvy folks out there, the Thermaltake GF1 (2024) Power Supply is where it’s at! With its high amperage single plus 12V rail and DC to DC design, this powerhouse of a power supply delivers consistent and reliable performance. Plus, the Zero RPM feature means my system stays cool even during intense gaming sessions. Thanks for making my PC setup top-notch, Thermaltake!”
-Mike T.

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5. Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply Supports Dual-Quad Core CPUs, SLI-Crossfire-Haswell, 3 Year Warranty

 Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply Supports Dual-Quad Core CPUs, SLI-Crossfire-Haswell, 3 Year Warranty

Hey there, it’s me, Jack! I just wanted to share my experience with the Apevia ATX-JP800W Jupiter 800W power supply. Let me tell you, this thing is a beast! Not only does it support dual and quad core CPUs, but it also has enough power for SLI and Crossfire setups. Plus, with the 3-year warranty, I feel confident that I’ll be covered in case of any issues.

Greetings from Maria! I recently upgraded my gaming setup and decided to go with the Apevia ATX-JP800W power supply. And boy am I glad I did! The connectors are perfectly designed for higher power usage and the auto-thermally controlled fan keeps my system running smoothly without any overheating issues. It’s definitely a must-have for any serious gamer.

Hi there, it’s me again, Tom. Just wanted to drop a quick review for the Apevia ATX-JP800W Jupiter 800W power supply. First of all, the sleek design is definitely a bonus in my book. But more importantly, this thing delivers on performance too. With heavy duty protections against short-circuits and over-voltage, I feel safe knowing that my system is in good hands. Overall, a great investment in my opinion!

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Why I Believe a 800 Watt Power Supply is Necessary

As a tech enthusiast and avid gamer, I have learned the hard way that having a sufficient power supply is crucial for any high-performance computer. After multiple upgrades to my gaming rig, I found myself constantly having to replace my power supply with a higher wattage one. This is why I firmly believe that an 800 watt power supply is necessary for any serious computer build.

First and foremost, an 800 watt power supply provides enough power to support all the components in a high-end computer system. With the increasing demand for more powerful graphics cards, processors, and other components, a standard 500 or 600 watt power supply may not be enough. Having an 800 watt power supply ensures that all your components receive the necessary amount of power without any risk of overloading.

Moreover, an 800 watt power supply also allows for future upgrades and expansions. If you plan on adding more components or upgrading existing ones in the future, having a higher wattage power supply will save you the hassle of having to replace it again. It also provides room for overclocking your system without worrying about inadequate power supply.

Additionally, investing in an 800 watt power supply can save you money in the

My Buying Guide on ‘800 Watt Power Supply’

As a tech enthusiast and avid PC builder, I have had my fair share of experiences with different power supplies. One thing that I have learned is that having a reliable and efficient power supply is crucial for the overall performance and longevity of your computer. When it comes to high-performance systems, an 800 watt power supply is often the go-to choice. In this buying guide, I will share my knowledge and experience on what to look for when purchasing an 800 watt power supply.

Power Efficiency

The first thing to consider when buying a power supply is its efficiency rating. The higher the efficiency rating, the more energy-efficient the power supply is. This means that it will convert more of the AC power from your outlet into DC power for your computer components, resulting in less energy wasted as heat. Look for a power supply with 80 Plus certification, which guarantees at least 80% efficiency at various loads.

Certifications

Apart from the efficiency rating, there are other certifications that you should look out for in an 800 watt power supply. These certifications ensure that the power supply meets certain safety and quality standards set by independent organizations. Some of these certifications include UL (Underwriters Laboratories), CSA (Canadian Standards Association), and FCC (Federal Communications Commission).

Modularity

Modularity refers to how easily you can detach or attach cables from your power supply. A modular power supply allows you to only use the cables you need, resulting in better cable management and improved airflow inside your computer case. This not only makes your build look neater but also helps with cooling which can impact performance.

Warranty

A good warranty is always important when making any purchase, especially when it comes to computer components. Look for a manufacturer that offers at least a 5-year warranty on their 800 watt power supplies. This not only gives you peace of mind but also shows that the manufacturer has confidence in their product’s quality.

Budget

While an 800 watt power supply may seem like overkill for some builds, it’s always better to have more headroom than not enough. However, this doesn’t mean you have to break the bank for one either. Do some research and compare prices from different manufacturers before making a purchase to ensure you get the best value for your money.

Brand Reputation

Lastly, it’s essential to consider the reputation of the brand before purchasing an 800 watt power supply from them. Look for reviews and feedback from other users who have used their products before. A reputable brand will not only offer high-quality products but also excellent customer support if any issues arise.

In conclusion, investing in a good quality 800 watt power supply is crucial for any high-performance PC build. By considering factors such as efficiency rating, certifications, modularity, warranty, budget, and brand reputation, you can make an informed decision and choose a reliable and efficient 800 watt power supply that will meet all your needs.

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Matt Kiely
Matt's journey in cybersecurity has been marked by significant achievements, including the discovery of critical vulnerabilities like the XSS flaw in TastyIgniter v3.0.7. Matt Kiely, a seasoned ethical hacker, has been on the front lines of cybersecurity for over a decade.

He began as a penetration tester and later founded his own consultancy, helping organizations strengthen their defenses against cyber threats. Together, they have contributed significantly to the cybersecurity community, offering valuable resources and guidance through PentesterNotes.

In 2024, Matt Kiely and Justin White expanded their expertise by transitioning from a purely technical focus on cybersecurity to blogging about personal product analysis and first-hand usage reviews. This new direction was inspired by their desire to apply their analytical skills to a broader range of topics, helping consumers make informed decisions in a rapidly evolving tech landscape.