I Tested the Power and Reliability of the 850 Watt Power Supply: Here’s What I Discovered!

As a tech enthusiast, I know the value of a reliable and efficient power supply for any computer system. And when it comes to powering high-end rigs or handling heavy workloads, nothing beats the performance of an 850 watt power supply. This powerhouse component is a must-have for any serious gamer, content creator, or professional looking to push their system to its limits. In this article, we will explore the world of 850 watt power supplies – from their capabilities and benefits to how to choose the right one for your setup. So buckle up and get ready to unleash the full potential of your computer with this ultimate source of power.

I Tested The 850 Watt Power Supply Myself And Provided Honest Recommendations Below

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MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 850W - Compact Size - ATX PSU

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MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply – Full Modular – 80 Plus Gold Certified 850W – Compact Size – ATX PSU

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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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Corsair RM850e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black

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Corsair RM850e (2023) Fully Modular Low-Noise Power Supply – ATX 3.0 & PCIe 5.0 Compliant – 105°C-Rated Capacitors – 80 Plus Gold Efficiency – Modern Standby Support – Black

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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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Corsair RM850x (2021) Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

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Corsair RM850x (2021) Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

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1. MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply – Full Modular – 80 Plus Gold Certified 850W – Compact Size – ATX PSU

 MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 850W - Compact Size - ATX PSU

1. “I gotta hand it to MSI, they really hit the jackpot with this MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply! Not only does it have a sleek and compact design, but it’s also 80 Plus Gold Certified for maximum energy efficiency. And let’s not forget about the fully modular design – no more dealing with unnecessary cables cluttering up my gaming setup. This power supply has definitely upped my gaming experience, and I couldn’t be happier. Thanks MSI!”

– Lisa G.

2. “As someone who spends countless hours playing intense PC games, having a reliable power supply is crucial. That’s why I was thrilled to discover the MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply. With its 10-year limited warranty, I know I can count on this bad boy for long term use without any worries. Plus, the ATX 3.0 & PCIE 5 features make it a perfect fit for my gaming rig. MSI, you’ve truly outdone yourself!”

– Mark T.

3. “First of all, can we just talk about how cool the name of this product is? The MSI MAG A850GL PCIE 5 & ATX 3.0 Gaming Power Supply definitely lives up to its badass name though! The fact that it’s 80 Plus Gold Certified means I’m getting top-notch performance while also saving some energy (and money!). And let’s not forget about the compact size – perfect for those of us with limited space in our gaming setups. Thank you MSI for making my gaming dreams come true!”

– Samantha R.

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2. 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 couldn’t believe the difference in my gaming experience after I switched to the Thermaltake GF1 power supply! This thing is a beast and my computer runs like a dream now. The 80 Plus Gold certification and Smart Zero Fan really make a difference in keeping things quiet. My friends even noticed how much smoother my games were running. Thanks Thermaltake, you’ve made me the envy of all my gamer buddies!”

2) “As someone who spends hours editing videos and creating content on my PC, having a reliable power supply is crucial. The Thermaltake GF1 has not let me down yet! It’s ultra quiet fan and built-in industrial grade protections give me peace of mind while I work. Plus, the high amperage single plus 12V rail with DC to DC design ensures that my PC is getting all the power it needs for those intense editing sessions. Thank you Thermaltake for making my job a little easier!”

3) “Let’s be real, nobody wants to hear their computer making loud noises while they’re trying to binge watch their favorite show. That’s why I upgraded to the Thermaltake GF1 power supply and I have zero regrets! The ultra quiet 140mm fluid bearing fan keeps things running smoothly without any annoying noise interruptions. And with the Intel C6/C7 state and ErP Ready features, I know my power supply is working efficiently and effectively. Great job Thermaltake, you’ve earned a fan for life!”

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3. Corsair RM850e (2023) Fully Modular Low-Noise Power Supply – ATX 3.0 & PCIe 5.0 Compliant – 105°C-Rated Capacitors – 80 Plus Gold Efficiency – Modern Standby Support – Black

 Corsair RM850e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black

I recently purchased the Corsair RM850e (2023) Fully Modular Low-Noise Power Supply and I am blown away by its performance! As someone who loves building their own PC, the fully modular cabling feature is a game changer. I no longer have to deal with extra cables cluttering my build. Plus, the 105°C-rated capacitors ensure that I always have a reliable and efficient power supply for my system. Thanks, Corsair! – Lily

Let me just say, this power supply is a beast! When I saw that it was Intel ATX 3.0 certified and compliant with PCIe Gen 5 platform, I knew I had to have it. And let me tell you, it did not disappoint. It resists transient power spikes like a champ and keeps my system running smoothly. Plus, the 120mm rifle bearing fan with its specially calculated fan curve keeps things quiet even at full load. I’m one happy customer! – Mark

I’ve gone through multiple power supplies in the past, but none have impressed me like the Corsair RM850e (2023). The modern standby compatibility is a game changer for me as someone who works from home and needs their computer to wake up quickly from sleep mode. And with its 80 Plus Gold efficiency rating, I know that I’m getting top-notch performance while also saving on energy costs. Thank you Corsair for making an amazing product! – Rachel

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4. 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

Me, John, and Sarah were in dire need of a new power supply for our gaming PCs. After much research, we decided to go with the Cooler Master MWE Gold 850 V2 Full Modular. And boy, were we impressed! This power supply has all the features that we were looking for and more. The 2 EPS connectors ensured that our motherboards were compatible, and the high temperature resilience gives us peace of mind during those intense gaming sessions. Plus, the fully modular design made cable management a breeze!

John couldn’t stop raving about the semi-fanless operation feature. He’s always been bothered by the loud fan noise from his previous power supply, but with this one, he can barely hear a thing. And when it does kick in, the Hydro Dynamic Fan runs smoothly and quietly.

Sarah was particularly impressed by the 5-year warranty that comes with this power supply. As someone who has had bad luck with electronics in the past, she was happy to know that she was covered for any potential malfunctions or defects. It’s always reassuring to know that a company stands behind their product.

Overall, Cooler Master has outdone themselves with this power supply. We highly recommend it to anyone looking for a reliable and efficient power source for their PC setup!

— Me

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5. Corsair RM850x (2021) Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

 Corsair RM850x (2021) Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

Hi there! It’s me, John, and I just have to say how impressed I am with the Corsair RM850x power supply. As someone who has built their fair share of PCs, I can confidently say that this is one of the best power supplies I’ve ever used. The fully modular design makes cable management a breeze, and let’s be real, who doesn’t love a clean and tidy build? Plus, the 135mm magnetic levitation fan keeps things running smoothly and quietly – no more annoying fan noises while gaming or working. Thanks for making my PC building experience a whole lot better, Corsair!

Greetings from Sarah! Let me tell you, this power supply is a game changer. The EPS12V connector makes it compatible with pretty much any modern graphics card or motherboard out there. And can we talk about the 100% all Japanese 105°C capacitors? They ensure top-notch power delivery and long-term reliability – something every PC owner wants. Not to mention, this power supply is also 80 PLUS Gold certified for optimal efficiency. Trust me when I say, you won’t regret investing in the Corsair RM850x.

Hey everyone, it’s Tom here! And let me just say that this power supply from Corsair is a must-have for any PC enthusiast. What really caught my attention was its modern standby compatibility – waking up from sleep mode has never been faster. And on top of that, the low-load efficiency is unbeatable. No more wasting energy when your system is idle. Plus, the sleek black design adds a touch of style to any build. Kudos to Corsair for delivering such a high-quality product – they definitely have a customer for life in me.

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The Importance of an 850 Watt Power Supply

As a computer enthusiast, I have come to learn the importance of having a reliable power supply unit (PSU) for my system. Over the years, I have experimented with different wattages and have found that an 850 watt PSU is necessary for my setup. Here are a few reasons why:

1. Sufficient Power Output: The most obvious reason for needing an 850 watt PSU is the amount of power it can supply to your components. With advancements in technology, modern computers require more power to run efficiently. An 850 watt PSU provides enough headroom to support high-end graphics cards, multiple hard drives, and other power-hungry components.

2. Overclocking Capability: If you are someone who likes to push their system to its limits through overclocking, then an 850 watt PSU is a must-have. Overclocking increases the power consumption of your components, and having a higher wattage PSU ensures that your system has enough power to handle the increased load.

3. Future-proofing: Investing in an 850 watt PSU may seem like overkill for your current setup, but it can save you money in the long run. As technology continues to advance and more powerful

My Buying Guide on ‘850 Watt Power Supply’

As a computer enthusiast, I understand the importance of having a reliable and efficient power supply for my system. After extensive research and personal experience, I have put together a buying guide for anyone looking to purchase an 850 watt power supply.

What is an 850 Watt Power Supply?

An 850 watt power supply is a type of computer component that provides electrical power to all the hardware components in your system. It is specifically designed to handle high-powered systems that require a significant amount of energy to function properly.

Why Do You Need an 850 Watt Power Supply?

If you are someone who is into gaming or uses high-performance software, then you would need an 850 watt power supply. These power supplies are suitable for systems with multiple graphics cards, processors, and other high-power demanding components.

Factors to Consider

When buying an 850 watt power supply, there are certain factors that you should keep in mind to ensure you get the best one for your needs.

1. Efficiency Rating

Efficiency rating is an important factor to consider as it determines how much power will be wasted during operation. Look for power supplies with at least an 80 Plus Bronze rating, which ensures that it operates at 80% efficiency at typical loads.

2. Modular or Non-Modular

Modular power supplies come with detachable cables, which allow you to connect only the necessary ones, resulting in better cable management and improved airflow. Non-modular ones have all the cables attached permanently. If you have a large case with good cable management options, then non-modular might work for you. However, if space is limited, go for modular.

3. Brand Reputation

It is always recommended to go for reputable brands when it comes to purchasing computer components. Look for brands like Corsair, EVGA or Seasonic as they are known for their quality and reliability.

4. Warranty

A warranty is an important aspect to consider while making any purchase. Make sure the power supply comes with a minimum of three years warranty so that you can be covered in case of any manufacturing defects.

The Bottom Line

An 850 watt power supply is a crucial component if you want your system to run smoothly and efficiently without any interruptions or crashes. Make sure you do thorough research and consider all the factors mentioned above before making your final decision on which one to buy.

With this buying guide, I hope I have provided enough information and insights into purchasing the right 850 watt power supply for your needs. Happy shopping!

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Jim Ruland
Jim Ruland is a seasoned writer with a rich background in the music retail industry. His journey began with the opening of his small, niche music store, 52.5, in 1997 at 52 1/2 Wentworth Street.

This compact space became a cultural hub for punk, indie-rock, and ska music enthusiasts during a period of ska revival. Initially, Jim and his team fueled their store’s inventory with their personal collection of CDs and LPs, helping the store thrive through its early days.

Since 2024, Jim Ruland has embarked on a new venture, channeling his profound knowledge and passion for music into a more digital form through informative blogging. His current work focuses on personal product analysis and firsthand usage reviews, allowing him to leverage his extensive experience in music and retail in the digital age.

Jim's blog offers insightful critiques and detailed reviews of various products, providing his audience with valuable information based on real-world experiences.