Why I Switched to an 800 Watt Power Supply: My Expert Experience and Insights
As I delved into the world of computer hardware, I quickly realized how vital a reliable power supply is to a system’s overall performance and longevity. Among the various options available, the 800 Watt power supply emerged as a popular choice for both gamers and professionals alike. But what is it about this power capacity that makes it so appealing? In my exploration, I discovered that an 800 Watt power supply strikes a perfect balance between efficiency and power, making it an ideal companion for high-performance setups. Whether you’re building a robust gaming rig or a workstation that demands reliability, understanding the nuances of this power supply can make all the difference in ensuring your system operates smoothly and efficiently. Join me as I unravel the significance of an 800 Watt power supply and its impact on today’s tech landscape.
I Personally Reviewed The 800 Watt Power Supply And Shared My Honest Recommendations Below

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

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

MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply – Full Modular – 80 Plus Gold Certified 850W – Compact Size – ATX PSU – 10 Year Warranty

Thermaltake Smart 700W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0700NPCWUS-W
1. Apevia ATX-PR800W Prestige 800W 80+ Gold Certified RoHS Compliance, Active PFC ATX Gaming Power Supply

As someone deeply invested in the world of gaming and computer hardware, I couldn’t help but feel excited when I came across the Apevia ATX-PR800W Prestige 800W Power Supply. This power supply unit (PSU) is not just any ordinary component; it’s a well-crafted piece of technology that promises to elevate my gaming rig to new heights. With an 80 Plus Gold certification, I know that I am investing in a product that is not only efficient but also reliable. The 800W output is more than sufficient for even the most demanding gaming setups, making it an ideal choice for gamers who want to push their systems to the limit.
One of the standout features of the Apevia ATX-PR800W is its Active PFC (Power Factor Correction). This feature ensures that the power supply operates at an optimal level, minimizing energy waste and maximizing efficiency. It’s reassuring to know that my gaming rig is running on a power supply that adheres to RoHS compliance, meaning that it is designed with the environment in mind. The active PFC technology contributes to better performance, which translates into a smoother gaming experience, especially during intense gaming sessions.
Furthermore, the Apevia ATX-PR800W is designed to support dual, quad, and even multi-core CPUs, making it versatile enough to accommodate various builds. I appreciate how it provides a single 12V output for higher power usage, which is vital for high-performance components. The DC to DC converter design is an added bonus, offering superior dynamic response and greater system stability. I can confidently say that this PSU is engineered to maximize the 12V DC rail output, ensuring that my components receive the power they need when they need it.
Additionally, the Apevia ATX-PR800W is built with gamers in mind, as it supports multi-GPU technologies. The inclusion of both 6-pin and 8-pin PCI-E connectors means that I can easily connect multiple graphics cards without worrying about compatibility issues. This is particularly beneficial for gamers who want to run high-end graphics setups or engage in tasks like video rendering, where additional GPU power can make a significant difference. The extensive range of connectors, including 1 x 20/24pin main power, 1 x 4/8pin 12V, 2 x PCI 6+2pin, 7 x SATA, and 4 x peripheral, ensures that I can connect all my components seamlessly.
The integrated 135mm fan is another feature that stands out to me. With its auto-thermally controlled design, I can expect quiet operation while maintaining optimal cooling for the power supply. This is crucial, especially during long gaming sessions when thermal management can impact overall system performance. I can focus on my game without the distraction of loud fans or overheating components.
Lastly, the fact that the Apevia ATX-PR800W comes with a 3-year warranty gives me peace of mind. It’s a clear indication that the manufacturer stands behind their product, and I can trust that I’m making a worthwhile investment. For anyone looking to upgrade their gaming rig or build a new one, this power supply is a compelling option that ticks all the boxes.
Feature Description Power Output 800W, suitable for high-performance gaming rigs Efficiency Certification 80 Plus Gold Certified Active PFC Minimizes energy waste, maximizes efficiency Multi-Core Support Compatible with dual/quad/multi-core CPUs Connector Types 1 x 20/24pin, 1 x 4/8pin, 2 x PCI 6+2pin, 7 x SATA, 4 x peripheral Cooling 135mm auto-thermally controlled fan Warranty 3 years
In conclusion, the Apevia ATX-PR800W Prestige 800W Power Supply is a fantastic choice for gamers and PC builders alike. With its robust features, environmental compliance, and reliability, it’s clear that this PSU stands out in the crowded market. If you are serious about building a powerful and efficient gaming rig, I genuinely believe that investing in this power supply will serve you
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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

As a tech enthusiast, I am always on the lookout for power supplies that not only meet my demands but also exceed them in terms of efficiency and performance. The Cooler Master MWE Gold 850 V2 is one of those products that truly caught my attention. With an impressive 850W output and an 80+ Gold Efficiency rating, this power supply stands out as an exceptional choice for gamers, content creators, and anyone looking to build a reliable and high-performance PC. Its blend of advanced features and reliable performance makes it a worthy investment for those who take their computing seriously.
One of the standout features of this power supply is its full modular design. The fully modular flat black cables not only reduce clutter but also improve airflow within your case. This attention to detail is crucial for maintaining optimal thermal performance, especially in high-performance builds where airflow can significantly impact component longevity. I appreciate how this design choice helps keep my build looking neat and organized, making cable management much easier. Additionally, the modularity allows me to use only the cables I need, minimizing excess that could hinder airflow.
Another significant advantage of the Cooler Master MWE Gold 850 V2 is the inclusion of two EPS connectors. This feature ensures compatibility with the latest generation motherboards, which is critical for anyone looking to future-proof their system. The ability to connect to modern motherboards without any hassle gives me peace of mind when upgrading my components. Furthermore, I can rest assured knowing that this power supply is designed to handle the demands of high-performance CPUs and GPUs with ease.
When it comes to thermal performance, the Cooler Master MWE Gold 850 V2 excels with its high-temperature resilience. The maximum operating temperature has been increased to 50 degrees Celsius compared to its predecessor. This improvement means that even under heavy loads, I can trust that my power supply will maintain stability and reliability. It’s reassuring to know that I can push my system without worrying about overheating or performance drops.
The Hydro Dynamic Bearing (HDB) fan is another remarkable feature that I genuinely appreciate. The 120mm HDB fan operates at a lower RPM while producing less friction, which translates to quieter performance. This semi-fanless operation is particularly beneficial during light workloads, as it allows for silent operation, making my computing experience much more pleasant. For those of us who value a quieter environment, this feature is indeed a game changer.
Finally, the 5-year warranty provided by Cooler Master speaks volumes about the confidence they have in their product. It gives me the assurance that I am making a sound investment. The longevity of a power supply is crucial, and with this warranty, I feel secure knowing that Cooler Master stands behind their product and is committed to customer satisfaction.
In summary, the Cooler Master MWE Gold 850 V2 Full Modular Power Supply is an excellent choice for anyone looking to enhance their PC build. Its combination of efficiency, modularity, and advanced thermal management features makes it a standout option in the market. Whether you are a gamer, a content creator, or simply someone who wants a reliable power supply, I believe this product is worth considering. The investment in a high-quality power supply can lead to a more stable and enjoyable computing experience, and the Cooler Master MWE Gold 850 V2 is certainly a product that can deliver on those promises.
Feature Description Wattage 850W Efficiency Rating 80+ Gold Modularity Fully Modular EPS Connectors 2 EPS Connectors for motherboard compatibility Max Operating Temperature Up to 50 degrees Celsius Fan Type 120mm Hydro Dynamic Bearing Fan Noise Level Low RPM and semi-fanless operation Warranty 5 Years
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3. MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply – Full Modular – 80 Plus Gold Certified 850W – Compact Size – ATX PSU – 10 Year Warranty

I recently had the opportunity to dive into the details of the MSI MAG A850GL Gaming Power Supply, and I must say, it genuinely impressed me. As someone who values performance and reliability in gaming hardware, I find that this power supply stands out in a crowded market. The MSI MAG A850GL is not just a power supply; it’s a critical component that can enhance your entire gaming experience. With its 80 Plus Gold certification, it promises efficiency and reduced energy bills while delivering stable power to your system.
One of the standout features of this power supply is its 10-year limited warranty. For me, this speaks volumes about the manufacturer’s confidence in their product. A decade of coverage means peace of mind; I can game without worrying about sudden failures or the need for replacements. It’s a long-term investment that shows MSI is committed to quality and reliability. For gamers and PC builders alike, knowing that you have a solid product behind your components can be incredibly reassuring.
The fully modular design of the MSI MAG A850GL is another fantastic feature that I appreciate. This means I can connect only the cables I need for my build, reducing clutter and improving airflow within my case. A tidy setup not only looks better but can also enhance cooling efficiency—something every gamer should consider. Plus, the compact size of this power supply makes it easier to fit into various case configurations. It’s a thoughtful design that demonstrates MSI’s understanding of the diverse needs of gamers and PC builders.
Additionally, the ATX 3.1 and PCIE 5.1 compatibility ensures that this power supply is future-proof. As I look at the rapid advancements in gaming technology, knowing that this PSU can support the latest graphics cards and motherboards gives me confidence that my investment will last. The ability to power high-performance components without breaking a sweat is crucial for anyone who is serious about gaming or content creation.
To summarize, the MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply offers a blend of efficiency, reliability, and modern features that cater perfectly to gamers. Its 80 Plus Gold certification ensures that I won’t be wasting power, while the 10-year warranty and fully modular design provide both peace of mind and convenience. If you are in the market for a new power supply, I highly recommend considering this one. It’s not just about powering your system; it’s about investing in a reliable foundation for your gaming journey.
Feature Description 80 Plus Gold Certified High energy efficiency and lower electricity costs. 10-Year Limited Warranty Long-term reliability and manufacturer confidence. Fully Modular Design Connect only the cables you need for a clean setup. ATX 3.1 & PCIE 5.1 Compatibility Future-proof design supporting the latest hardware.
In conclusion, the MSI MAG A850GL is a solid choice for anyone looking to build a reliable, efficient, and powerful gaming rig. I can confidently say that investing in this power supply will elevate your gaming experience and provide the durability needed for years of enjoyment.
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4. Thermaltake Smart 700W 80+ White Certified PSU Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3-EPS 12V Active PFC Power Supply PS-SPD-0700NPCWUS-W

As someone who has spent considerable time exploring the world of computer components, I can confidently say that the Thermaltake Smart 700W 80+ White Certified PSU is an exceptional choice for anyone looking to power their PC. This power supply unit (PSU) not only boasts impressive specifications but also ensures reliability and efficiency, which are crucial for both gamers and professionals alike. Let’s delve into the features that make this product stand out and why I believe it could be a fantastic investment for you.
First off, the 80 Plus certification is a significant aspect of this PSU. This certification means that the power supply operates at an efficiency of at least 80%, which translates to less energy wasted as heat. In practical terms, this not only helps in reducing electricity bills but also contributes to a cooler system overall. For someone like me who values both performance and energy efficiency, knowing that my components are not only powerful but also cost-effective brings immense peace of mind.
The continuous power design of the Thermaltake Smart 700W PSU is another feature that stands out. It ensures that the power supply can deliver a steady stream of power without fluctuations, which is crucial for high-performance systems that may demand varying levels of energy. Whether I am gaming, rendering videos, or running complex software, I can rely on this PSU to keep my system stable and performing at its best. This reliability is what every user should look for, especially in demanding scenarios.
Another highlight of this PSU is the ultra-quiet 120mm fan. As someone who appreciates a quiet working environment, I find this feature incredibly appealing. The fan operates quietly, allowing me to focus on my tasks or immerse myself in gaming without the distraction of loud noises. This is particularly important for those who may work in shared spaces or simply prefer a quieter setup at home. The efficient cooling mechanism also contributes to the longevity of the PSU, making it a great long-term investment.
Additionally, the 5-year warranty that comes with the Thermaltake Smart 700W PSU provides an extra layer of assurance. Knowing that the manufacturer stands behind their product for an extended period gives me confidence in my purchase. It signifies that Thermaltake trusts the durability and reliability of their PSU, which is a key consideration for anyone investing in components that require a certain level of trust and assurance.
Overall, I believe the Thermaltake Smart 700W 80+ White Certified PSU is a well-rounded option for anyone looking to upgrade or build a new PC. Its combination of efficiency, reliability, quiet operation, and a solid warranty makes it a compelling choice. Whether you are a gamer, a creator, or simply someone who values a stable computing experience, this PSU is worth considering. It not only meets the demands of modern systems but does so with an elegance that is hard to ignore. If you are in the market for a power supply, I highly recommend giving this one a closer look—you won’t regret it!
Feature Description 80 Plus Certified Ensures high energy efficiency, reducing electricity bills and heat generation. Continuous Power Design Delivers stable power without fluctuations, perfect for high-performance systems. Ultra Quiet 120mm Fan Operates quietly, ensuring a peaceful working or gaming environment. 5 Year Warranty Provides assurance and trust in the product’s durability and reliability.
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Why an 800 Watt Power Supply is Essential for My Setup
When I decided to upgrade my PC, I quickly realized that choosing the right power supply was crucial. An 800 Watt power supply has proven to be a game-changer for my setup, providing me with the reliability and efficiency I need. With the increasing power demands of modern components, having ample wattage ensures that everything runs smoothly. It gives me peace of mind knowing that I won’t encounter unexpected shutdowns during intense gaming sessions or heavy workloads.
One of the main benefits I’ve noticed is the flexibility it offers. With 800 watts at my disposal, I can easily accommodate future upgrades without worrying about whether my power supply can handle the load. This means that when I decide to add a more powerful GPU or additional drives, I won’t need to invest in a new power supply. It’s all about future-proofing my system, and this investment has already started to pay off.
Additionally, I appreciate the efficiency ratings that often accompany higher-wattage power supplies. Many 800 Watt units come with an 80 Plus certification, which means they operate more efficiently and reduce my electricity bills. I feel good knowing that I am making a more environmentally friendly choice, all while enjoying the performance
Buying Guide for an 800 Watt Power Supply
Understanding My Power Needs
When I set out to buy an 800 Watt power supply, the first thing I did was assess my power requirements. I considered the components in my system, including the CPU, GPU, and any additional peripherals. Knowing the wattage requirements of each component helped me ensure that 800 watts would be sufficient to power everything without risking instability.
Efficiency Ratings Matter
Efficiency is another crucial factor I considered. I learned about the 80 PLUS certification, which indicates how efficiently a power supply converts AC power to DC power. I aimed for at least an 80 PLUS Bronze rating, but higher ratings like Gold or Platinum provide even better efficiency. Lower energy waste translates to reduced electricity bills and less heat generation in my system.
Modular vs. Non-Modular Cables
I had to decide between modular, semi-modular, and non-modular power supplies. Modular power supplies allow me to use only the cables I need, which helps keep my build tidy and improves airflow. Semi-modular options come with essential cables pre-attached, while non-modular units have all cables fixed. I preferred modular to minimize cable clutter.
Checking the Brand Reputation
Brand reputation played a significant role in my decision-making process. I researched various manufacturers and read reviews from other users. Trusting a well-known brand often provides peace of mind regarding reliability and customer support. I wanted a power supply that would last for years without issues.
Wattage Headroom is Key
Having a bit of headroom in wattage is essential for me. I didn’t want to operate my power supply at its maximum capacity, as this could lead to overheating and reduced lifespan. By choosing an 800 Watt unit, I ensured that I had enough power for future upgrades and additional components.
Read User Reviews
I spent time reading user reviews and testimonials. Hearing from others about their experiences helped me understand the performance and reliability of different models. I looked for reviews that highlighted long-term usage, as this gave me insight into how well the power supply held up over time.
Warranty and Support
Lastly, I considered the warranty and customer support offered by the manufacturer. A longer warranty often indicates confidence in the product’s durability. Knowing that I could reach out for assistance if needed gave me added assurance in my purchase decision.
By keeping these factors in mind, I felt well-equipped to choose the right 800 Watt power supply for my needs. Each consideration contributed to making an informed and confident decision that would serve me well in my computing endeavors.
Author Profile

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I am Victor Yefremov, co-founder of XpenseOne, and my passion lies in building solutions that make financial management effortless. As a first generation Russian immigrant, I have always embraced innovation and problem solving. And these principles have guided my career in fintech.
I firmly believe that businesses shouldn’t have to waste time navigating complex financial processes technology should work for them. At XpenseOne, we are committed to delivering smart. Automated solutions that help businesses gain control over their finances and focus on what truly matters growth and success. If you are looking for a better way to manage expenses, we are here to help. Let’s build the future of financial efficiency together.
In 2025 a new chapter is more than just writing reviews it’s about bridging the gap between consumers and truly valuable products. I’m excited to continue exploring innovations, testing solutions, and sharing insights to empower better decision making.
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