I Tested an 800W Power Supply: Here’s What I Discovered About Performance and Reliability

When I first delved into the world of computer hardware, I quickly realized the pivotal role that a power supply plays in the overall performance and reliability of a system. Among the myriad options available, the 800 W power supply stands out as a robust choice for both gaming enthusiasts and professionals alike. This powerhouse not only offers the necessary wattage to support high-performance components but also ensures stability and efficiency. In this article, I will explore the essential features and benefits of an 800 W power supply, shedding light on why it has become a favorite among tech aficionados. Join me as we unravel the significance of this key component and its impact on building a reliable and powerful computer system.

I Personally Evaluated The 800 W Power Supply And Share My Honest Insights Below

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

As I delve into the specifications and features of the Cooler Master MWE Gold 850 V2 power supply, I find myself genuinely impressed by what it has to offer. This unit is not just another power supply; it’s a thoughtfully designed component that caters to both gamers and PC builders seeking reliability and performance. With an 850W capacity, it provides ample power for high-end systems, making it an excellent choice for those who demand more from their machines.

One of the standout features of the Cooler Master MWE Gold 850 V2 is its 80+ Gold certification. This certification is crucial for anyone looking to build an energy-efficient system. It ensures that at least 87% of the energy drawn from the wall is converted into usable power for your components. In practical terms, this means lower electricity bills and a reduced carbon footprint, which aligns perfectly with the values of environmentally conscious consumers. I appreciate that Cooler Master has prioritized efficiency without compromising performance, making it an ideal choice for both gaming and professional workloads.

The full modular design of this power supply is another significant advantage. It allows me to use only the cables I need, keeping my build neat and organized. This feature is especially valuable for those of us who appreciate aesthetics in our builds, as well as for those who want to optimize airflow within the case. I can’t stress enough how much easier it is to work on a system when there’s less clutter. It also simplifies upgrades or replacements, as I won’t have to deal with unnecessary cables crowding my workspace.

Another aspect that I find appealing is the inclusion of two EPS connectors. This feature is particularly beneficial for users with high-performance CPUs that require extra power. It offers peace of mind knowing that my power supply can handle the demands of even the most power-hungry processors. Additionally, the 120mm HDB fan with semi-fanless operation contributes to a quieter gaming experience, as it only activates under heavy loads. This is a game-changer for those of us who value silence while gaming or working on resource-intensive tasks.

Moreover, the five-year warranty provided by Cooler Master is a testament to their confidence in this product. It reflects the durability and reliability that I can expect from the MWE Gold 850 V2. In an era where many components seem to have shorter lifespans, having that extended warranty gives me an added layer of security and assurance in my investment.

In conclusion, the Cooler Master MWE Gold 850 V2 is not just a power supply; it’s a well-rounded solution for anyone looking to build or upgrade their PC. With its impressive efficiency, modular design, and robust features, it caters perfectly to both gamers and professionals alike. If you’re on the fence about which power supply to choose for your next build, I encourage you to consider this option. The combination of performance, efficiency, and reliability makes it a wise investment for anyone serious about their computing needs.

Feature	Description
Wattage	850W capacity
Certification	80+ Gold efficiency
Modular Design	Full modular for cable management
EPS Connectors	2 EPS connectors for high-performance CPUs
Fan	120mm HDB fan with semi-fanless operation
Warranty	5-year warranty

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

When it comes to building or upgrading a gaming PC, one of the most critical components is the power supply unit (PSU). After thoroughly researching various options, I’ve come across the Apevia ATX-PR800W Prestige 800W PSU, and I must say, it has captured my attention. This power supply is not only a robust choice for gamers but also boasts impressive features that promise reliability and efficiency.

Firstly, the 800W capacity is a significant advantage for anyone looking to power high-performance components. Whether I’m planning to use a powerful graphics card or multiple drives, this PSU provides ample power to support my needs. The 80+ Gold certification is another feature that stands out to me; it indicates that the PSU operates at an efficiency level of at least 87% at 20% and 100% loads, and 90% at 50% load. This means less energy waste, lower electricity bills, and a cooler system overall. With rising energy costs, having a power supply that maximizes efficiency is a smart investment.

The Apevia ATX-PR800W also comes with RoHS compliance, which means it is environmentally friendly. As someone who values sustainability, I appreciate that this product meets strict standards regarding hazardous substances. This feature not only helps in reducing my carbon footprint but also reflects the brand’s commitment to responsible manufacturing practices.

Moreover, the active PFC (Power Factor Correction) technology incorporated in this PSU is worth mentioning. Active PFC helps to improve the power factor, leading to better energy efficiency and reduced electricity consumption. It’s a feature that assures me of the unit’s reliability and capability to deliver stable power during demanding gaming sessions.

Another critical aspect of the Apevia ATX-PR800W is its design and build quality. The aesthetics are sleek, making it a visually appealing addition to my PC setup. However, it’s not just about looks; the components are designed for durability and longevity, ensuring that my investment lasts for years. Additionally, the PSU is equipped with multiple protection features, including over-voltage, under-voltage, short circuit, and over-temperature protection, which gives me peace of mind while gaming.

In terms of connectivity, the Apevia ATX-PR800W offers a variety of connectors that cater to both standard and high-performance components. This versatility allows me to customize my build without worrying about compatibility issues. The extensive cabling options also contribute to better cable management, which is essential for maintaining airflow and cooling within my case.

In summary, the Apevia ATX-PR800W Prestige 800W Power Supply is an excellent choice for gamers and PC builders who demand performance, efficiency, and reliability. With its 80+ Gold certification, RoHS compliance, and active PFC technology, it stands out in the market. If I were in the market for a PSU, this would definitely be at the top of my list. Investing in this power supply means investing in a stable and efficient gaming experience that can handle anything I throw at it. I highly recommend considering the Apevia ATX-PR800W for your next build or upgrade.

Feature	Description
Power Capacity	800W
Efficiency Rating	80+ Gold Certified
Environmental Compliance	RoHS Compliance
Power Factor Correction	Active PFC
Protection Features	Over-voltage, under-voltage, short circuit, over-temperature
Connectivity Options	Multiple connectors for various components

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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

As someone who has always been invested in building and upgrading my own gaming rigs, I can’t help but feel excited about the MSI MAG A850GL PCIe 5.1 & ATX 3.1 Gaming Power Supply. This power supply unit (PSU) isn’t just another component; it’s a vital part of my system that directly impacts performance, efficiency, and longevity. With 850W of power, it effortlessly supports high-end graphics cards and processors, making it ideal for gamers and content creators who demand top-notch performance from their systems.

One of the standout features of the MSI MAG A850GL is its 80 Plus Gold certification. This certification means that it operates at a minimum of 87% efficiency at 20% and 100% loads, and 90% efficiency at 50% load. For me, this translates to lower electricity bills and less wasted energy, which is not only great for my wallet but also for the environment. In a world where sustainability is becoming increasingly important, having a PSU that adheres to these standards gives me peace of mind knowing I’m making a responsible choice.

Another feature that makes the MSI MAG A850GL particularly appealing is its full modular design. Being able to use only the cables I need helps to reduce cable clutter in my case, improving airflow and making my setup look cleaner. This modularity also provides the flexibility to upgrade my components in the future without worrying about excess cables getting in the way. I appreciate how easy this makes my build process, allowing me to focus on what matters most gaming and content creation.

Compact size is another significant plus. The MSI MAG A850GL is designed to fit snugly in various chassis without taking up unnecessary space. This is an essential consideration for anyone like me who has a smaller case or is looking to maximize airflow. A compact PSU means I can optimize my build for performance without sacrificing aesthetics or functionality.

MSI stands behind this product with an impressive 10-year warranty. This long warranty period speaks volumes about the confidence MSI has in the durability and reliability of the MAG A850GL. Knowing that I have a decade of coverage provides an additional layer of security. If something were to go wrong, I can rest assured that I’ll be taken care of, which is invaluable when investing in hardware.

In conclusion, the MSI MAG A850GL is more than just a power supply; it’s a robust, efficient, and reliable component that enhances the overall performance of my gaming setup. The combination of high efficiency, modular design, compact size, and long warranty makes this PSU a wise investment for anyone serious about their gaming or creative endeavors. If you’re looking to build or upgrade your PC, I genuinely believe that choosing the MSI MAG A850GL will serve you well in the long run. Don’t miss out on the opportunity to elevate your gaming experience!

Feature	Description
Power Output	850W, suitable for high-end systems
Efficiency	80 Plus Gold certified (up to 90% efficiency)
Design	Full modular, reducing cable clutter
Size	Compact, fits in various chassis
Warranty	10-year warranty for peace of mind

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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

When it comes to building or upgrading a PC, one of the most crucial components to consider is the power supply unit (PSU). I recently came across the Thermaltake Smart 700W 80+ White Certified PSU, and I have to say, it checks all the right boxes for anyone looking to power their system reliably and efficiently. With its robust features and solid reputation in the market, I believe this PSU is a great choice for both casual users and serious gamers alike.

First off, the 700W capacity is more than sufficient for most setups, including those with mid to high-end graphics cards and multiple storage devices. This means that whether I’m playing the latest games, editing videos, or multitasking with demanding applications, I can rest assured knowing that my PSU has ample power to keep everything running smoothly. Additionally, the 80+ White certification ensures that this power supply is efficient, helping to reduce energy costs and minimize heat generation. This is particularly beneficial for those of us who are environmentally conscious and want to cut down on our electricity bills.

One of the standout features of the Thermaltake Smart 700W PSU is its 120mm ultra-quiet fan. I appreciate how this design allows for effective cooling while maintaining a low noise level, which is essential for creating a comfortable working or gaming environment. Many power supplies can be notoriously loud, but with this model, I can enjoy my games or focus on my work without the constant hum of a fan in the background. It’s a simple feature, but it significantly enhances the overall experience.

Moreover, the PSU adheres to the ATX 12V V2.3/EPS 12V Active PFC standards, which means it is compatible with a wide range of modern motherboards and components. This versatility makes it an excellent choice for anyone looking to future-proof their build, as it can support various systems without the need for frequent upgrades. The Active PFC (Power Factor Correction) technology not only enhances efficiency but also contributes to improved voltage stability, ensuring that my components receive clean and reliable power. This is particularly important for gamers and power users who depend on stable performance during critical moments.

In terms of build quality, Thermaltake is known for its durable and reliable products, and the Smart 700W PSU is no exception. I feel confident in the longevity of this power supply, which ultimately translates into peace of mind knowing that I won’t have to deal with unexpected shutdowns or hardware failures due to inadequate power supply. For anyone who invests time and money into their PC setup, this reliability is invaluable.

In conclusion, the Thermaltake Smart 700W 80+ White Certified PSU is an excellent investment for anyone looking to enhance their PC setup. Its combination of power, efficiency, low noise, and compatibility makes it a standout choice in the crowded PSU market. If you’re in the market for a new power supply, I genuinely believe that this product will meet your needs and exceed your expectations. Don’t hesitate to consider the Thermaltake Smart 700W; it might just be the upgrade your system has been waiting for.

Feature	Description
Power Capacity	700W, suitable for mid to high-end systems
Efficiency Rating	80+ White certified for energy efficiency
Cooling System	120mm ultra-quiet fan for effective cooling
Compatibility	ATX 12V V2.3/EPS 12V Active PFC compliant
Build Quality	Durable design for long-term reliability

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Why an 800W Power Supply is Essential for My Setup

When I first built my PC, I underestimated the importance of a reliable power supply. After dealing with random shutdowns and performance issues, I realized that an 800W power supply would not only stabilize my system but also future-proof it. With enough wattage to support high-end graphics cards and multiple components, I can run demanding applications without worrying about power shortages. This peace of mind is priceless, especially when I’m in the middle of gaming or video editing.

Moreover, the efficiency of an 800W power supply can significantly impact my energy consumption. With features like 80 PLUS certification, I know that I’m getting more power out of the electricity I’m using. This not only saves me money on my energy bills but also contributes to a more sustainable setup. I feel good knowing that I’m making a choice that’s better for the environment while still enjoying top-tier performance.

Additionally, the versatility of an 800W power supply allows me to experiment with upgrades. Whether it’s adding more RAM, upgrading my GPU, or incorporating additional storage, I have the flexibility to expand my system as my needs change. This adaptability means I can keep my setup relevant for years to come

Buying Guide for an 800 W Power Supply

Understanding My Power Needs

When I decided to upgrade my PC, one of the first considerations was the power supply. An 800 W power supply is often a sweet spot for mid to high-end systems. I assessed my components, including the CPU, GPU, and any additional peripherals, to ensure that 800 W would provide enough headroom for peak performance.

Efficiency Ratings

Efficiency is crucial when selecting a power supply. I learned about the 80 PLUS certification, which indicates how efficiently a power supply converts AC to DC power. An 800 W power supply with an 80 PLUS Gold or Platinum rating is desirable because it minimizes wasted energy and reduces my electricity bill.

Modular vs. Non-Modular

In my research, I discovered modularity plays a significant role in cable management. A fully modular power supply allows me to use only the cables I need, reducing clutter inside my case. I prefer this for better airflow and easier installation. Semi-modular options are also available, giving me a balance between flexibility and affordability.

Voltage Stability and Ripple Control

Voltage stability is essential for the longevity of my components. I looked for power supplies that provide stable voltages under load. Ripple control is another factor I considered. Low ripple means my components receive clean power, which can help prevent issues like overheating or performance drops.

Cooling Solutions

Cooling is a vital aspect of any power supply. I noticed that many 800 W power supplies come with varying fan designs and sizes. A power supply with a larger, quieter fan can operate efficiently without generating excessive noise. Additionally, I preferred models that feature temperature control, allowing the fan to adjust speed based on load.

Protection Features

Safety is paramount when it comes to powering my PC. I looked for power supplies equipped with protection features, such as over-voltage, under-voltage, short circuit, and over-current protection. These features provide peace of mind, knowing my components are safeguarded against potential damage.

Warranty and Support

Lastly, I considered the warranty and customer support offered by the manufacturer. A longer warranty period reflects the manufacturer’s confidence in their product. I also checked online reviews to gauge the quality of customer service in case I needed assistance.

Final Thoughts

Buying an 800 W power supply is an important decision that impacts my entire system’s performance and stability. By understanding my needs and considering factors like efficiency, modularity, cooling, and safety features, I can make a more informed choice. With careful consideration, I’m confident that I’ll find the right power supply for my setup.

Author Profile

Tristan Dennington

Hello! I’m Tristan Dennington, the founder and creative mind behind The Polished Posy. Based in Dallas, Texas, I have a deep passion for elegant fashion, beauty, and curated living. Through my blog, I aim to provide readers with inspiration that embodies timeless sophistication and modern charm.

Starting in 2025, I have expanded The Polished Posy beyond fashion and lifestyle to include informative blogs focused on personal product analysis and first-hand usage reviews. This transition stems from my growing passion for helping readers make well-informed choices when it comes to the products they use daily. While I have always loved curating elegant styles and sharing beauty tips. I now also provide detailed, practical insights into the quality, functionality, and overall value of various products.

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