8 Best 650W PSUs for 2024

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A computer system’s power supply is often chosen last in order to avoid overlooking such an important component. Saving money doesn’t make sense in this area. Low-end power supplies often lack critical safety features that protect your PC if you experience a problem, and these best power supply units are often inferior to name-brand units. Aside from running hotter and being less efficient, they also tend to have a louder fan-forced cooling system.

The best combination of price, performance, and efficiency would be 650W for most gaming or creative systems. Even an entry-level system is well equipped with enough power to upgrade a CPU or GPU in the future, as even single-GPU systems do not need more than 650W.


Corsair TX650M Gold

Corsair TX650M Gold


  • Brand: Corsair
  • Output power: 650
  • Fan size: 120 millimeters

BeQuiet! Dark Power Pro 11 650W

BeQuiet! Dark Power Pro 11 650W


  • Brand: Be quiet!
  • Output power: 650
  • Fan size: 135 millimeters




  • Brand: EVGA
  • Output power: 650
  • Fan size: 140 millimeters

In addition, you have to consider longevity. All the best 650w PSUs below have great manufacturers’ warranties ranging from 10 to 12 years. There is more to power supplies than just a GPU upgrade in 2-3 years. These best power supplies will be able to power the complete overhaul of your PC to take advantage of whatever technological advances are available then. Your first purchase of the best 650w psu is your only opportunity to get it right. 

I’ll talk about options to suit every budget and need in this article – as long as your system needs don’t exceed 650 Watts! There are no other power supplies that offer such high electrical efficiency, as well as a full suite of protections as well as a minimum warranty of 5 years. You may also love to read Best 650W PSUs

As well, the ongoing US-China trade dispute has destabilized US prices and the availability of PSUs due to tariffs. I have attempted to mitigate the disruption by suggesting alternative options. 

Our list below includes the best 650W PSU, so you do not have to spend a lot of time researching. Let’s get started!

Best 650W Power Supplies – Our Recommendations

  • Best Budget 650w PSU – Corsair CXM 650W
  • Best Gaming 650w PSU – Corsair TX650M Gold
  • Best 80+ Gold 650w PSU – Bitfenix Whisper M
  • Best Quiet 650w PSU – BeQuiet! Dark Power Pro 11 650W
  • Best Premium 650w PSU – Corsair RMx 650W
  • Best SFX 650w PSU – Corsair SF600 Platinum
  • Best Overall 650w PSU – EVGA SUPERNOVA 650 P2
  • Best Modular 650w PSU – Riotoro Enigma G2

1. Corsair CXM 650W – Best Budget 650w PSU

Best Budget 650w PSUTech enthusiasts around the world tend to use and trust Corsair products. Quality has been a constant feature of this brand over the past few years. Performance and features have always been improved. 

Next, we have the Corsair CXM 650W, our cheapest option and the best budget 650W power supply. With the specifications of its models, it comes from the CX series. A special mention goes to the 650W CXM, which includes an Intel Core 4th generation processor.

It is widely believed that consumers do not need a power supply that is 80 plus certified. This isn’t the case. It should be the bare minimum requirement for you to have an 80+ certification in any category. You should strive for a minimum efficiency of 80%. Anything below that is unproductive. 80 Plus Bronze is the rating of the CXM 650W. 

This is the best bronze 650w 80 psu and will deliver 80% to 85% efficiency at loads of 20%, 50%, and 100%.

The overall cost of this Best 650W PSU is lower, so it’s a great value. As much as 80% of the energy is converted to heat, only 20% is lost. As a consequence, excess heat cannot cause the system to overheat. That’s incredible. Having modular cabling gives you great flexibility, and to be honest, it is an underrated freedom. To make your system as simple as possible, modular cabling uses fewer cables. 

Taking care of the cables that you need is now all you have to do.

Brand: Corsair | Form Factor: ATX | Output Wattage: 650W | Efficiency Rating: 80 Plus Bronze | Modularity: Semi-Modular

  • A beautiful building
  • A neat cable system that is hassle-free
  • Installation is easy
  • SATA ports may experience voltage issues

2. Corsair TX650M Gold – Best Gaming 650w PSU

Best Gaming 650w PSUWith its stellar performance and amazing features, the Corsair TX650M Gold is sure to impress. This is one of the best 650W PSUs on the list, as well as the others that I’ll share with you in the following paragraphs. In the first place, Corsair deserves all the applause for producing high-quality power supplies. Consumers look for products that are able to satisfy most of their requirements, while also being stylish.

A gamer’s dream is to have PC accessories with all the feel of technology, but nobody ever gets to see a PSU. Matte black is the color of the TX650M, and it has a sleek design. Corsair’s 80 Plus Gold rating makes this product stand out. As low as 20% load and as high as 100% load can be handled with 87-90 percent efficiency. Up to 50% load, maximum efficiency can be achieved. The best 600w power supply is the best psu for gaming only because of one thing. About 13% to 10% of the heat is caused by the 80 Plus Gold rating. As a result, your system is not at risk of overheating.

As I have discussed above, a semi-modular cable system results in better airflow. The system gives you the flexibility to use the cables you desire to make it look cleaner and more organized. With a 120mm thick Rifle Bearing fan, the TX650M performs exceptionally well. Rifle Bearing Fan is one of the amazing options that Corsair offers in its fan bearings. The fan will have a longer life as a result of this bearing, and the cooling system will have a longer life as a result.

Brand: Corsair | Form Factor: ATX | Output Wattage: 650W | Efficiency Rating: 80 Plus Gold | Modularity: Semi-Modular

  • Even in high temperatures, performs professionally
  • Capacitors of high quality are included
  • Connectors with markings
  • Reliability over time
  • Noise level a little higher

3. Bitfenix Whisper M – Best 80+ Gold 650w PSU

Best 80+ Gold 650w PSUBitfenix is another manufacturer of 650W Power Supply Units. This brand has been successful in establishing itself on the market within a short period of time. Due to its very silent operation, the Bitfenix Whisper M model is named as such. Let’s discover some of its amazing features now that we know what it offers. This product is 80 Plus Gold certified, as well as having a sleek design. That’s my favorite part about Whisper M. Performance is extremely important, and everyone wants a high-performance PSU.

According to the manufacturer, this PSU has an efficiency rate of 92%, which makes it the Best 650W PSU on the market. That’s quite a claim! And it doesn’t end there. Connectivity options are plentiful with the Whisper M. There are two 4+4 pin CPU connectors and one 20+4 pin connector. Along with this, you get six VGA connectors (6+2 pin), four Molex connectors, and 12 SATA connectors. This system produces little noise due to a high-quality fan. It operates at a sound level below 18 dBA.

The 140 mm thickness of this fan improves airflow throughout the system. The fan has Fluid Dynamic Bearings that prolong the life of the power supply. Furthermore, it improves fan lubrication, making it work quietly. Voltage fluctuations are also reduced. Whisper M starts running at 3.5 volts. Already, the level of heat produced is deficient, and this fan’s amazing performance makes matters worse. The fan is ideal for heat produced between 8 and 10%.

Brand: BITFENIX | Form Factor: ATX12V | Output Wattage: 650W | Efficiency Rating: 80 Plus Gold | Modularity: Full Modular

  • Supports PCIe connectivity
  • Operationally quiet
  • This is an amazing power output
  • Route options are limited

4. BeQuiet! Dark Power Pro 11 650W – Best Quiet 650w PSU

Best Quiet 650w PSUThis brand strives to provide a peaceful experience, as indicated by its name. As one of the few brands that produce products that are free of noise, BeQuiet is one of the best. However, even though all the products on this list have a low noise level, BeQuiet has its place. It gives you peace of mind while working. The BeQuiet Dark Power Pro 11 is most notable for its ability to overclock. It makes switching between multiple operations a breeze. Four-rail and single-rail overclocking options are available.

Each rail has a voltage of 12 volts. With the Power Pro 11, BeQuiet claims a fan that is virtually inaudible. The fan is called Silent Wings 3. A Fluid Dynamic Bearing is incorporated into the 135 mm thick fan. Because of its funnel-shaped opening, the cooling process has been improved. As a result of its improved lubrication and low noise level, this PSU is known as one of the quietest on the market. As a result, BeQuiet has helped reduce noise production a lot. However, other features have not been overlooked.

With the BeQuiet Dark Power Pro, you get everything you want, especially the connectivity options. The Best 650W PSU supports a maximum of four case fans in addition to its 12V rails. A total of five PCIe connectors are available for supporting graphics cards, etc. The cable system is semi-modular, so you can choose between cables at your convenience. In addition, it reduces clutter by allowing you to choose what cables you want to plug in. Wires and cables have always seemed like unwelcome guests.

Brand: Be quiet! | Form Factor: ATX | Output Wattage: 650W | Efficiency Rating: 80 Plus Titanium | Modularity: Modular

  • Turbulence is reduced by the fan
  • Super-quiet
  • User-friendly
  • SATA and GTX cables sufficient
  • There is no shutoff for the fan
  • A design from the past

5. Corsair RMx 650W – Best Premium 650w PSU

Best Premium 650w PSUAdding another great option to the list is Corsair. This monitor comes from Corsair’s RMx series. RMx monitors are upgraded versions of the RM series. This series has launched power supplies that can function at temperatures of up to 50°C. RMx 2018 650W is the product we’re discussing today. We are discussing this model because it represents Corsair’s tradition of excellence. Other lists on the list find it hard to compete with it. For me, its cable system is appealing. The cable system is modular.

Due to the semi-modular cable system of most products on this list, the Corsair RMx 650W stands out as the best Premium 650W power supply. The cable system is designed to improve airflow throughout the system. In addition, cable seating has also been improved. If cables are involved, you have more options than with a semi-modular system. For complete personalization, go with Corsair. Most leading brands still consider the best cable systems as a luxury, while they provide you with the best.

You may also love to read: Best 600W Power Supply

The high-end products they provide only have fully modular cable systems. This cable system significantly contributes to the system’s temperature. Heat is prevented by keeping the cable system at a minimum. The installation and replacement of this device is simple due to the small number of wires plugged in. Certified 80 Plus Gold, this device is easy to install and replace. This is the best 650W PSU due to its 89% efficiency at 100% load. Other loads result in a 90% efficiency. This product has a slightly lower efficiency at maximum load than others on the list.

Brand: Corsair | Form Factor: ATX12V | Output Wattage: 650W | Efficiency Rating: 80 Plus Gold | Modularity: Full Modular

  • Design with a compact footprint
  • Easy to install and replace
  • Cost-effective
  • Weighs little
  • Power cable for CPU 4 pins is not available
  • Cables with poor assembly

6. Corsair SF600 Platinum – Best SFX 650w PSU

Best SFX 650w PSUSince Corsair has been on this list four times, you can see how promising it is. Their products are a result of the amount of effort they put into them and their considerate attitude toward customers. As its name suggests, the Corsair SF600 Platinum is the best SFX 650W power supply. It has achieved a Platinum 80 Plus rating, which results in an efficiency rating of 91%.

It features a compact design and SFX Factor technology. Because of this, it fits into a wide range of PC sizes. It provides excellent value for money because it comes with a lot more than you might expect. Many people may not find 650 watts to be a big deal since there are also higher variants available. This is a very good amount, and Corsair has offered it at a very reasonable price while maintaining a Platinum rating.

This Best 650W PSU is the Corsair’s lightest design of all the choices, which is a positive. The smallest fan on the list is the most efficient due to its small size. It measures 92 mm in diameter and has rifle bearings. Fluid is pumped from the reservoir to provide lubrication through a channel. The reduced power consumption and noise are advantages. Furthermore, the SF600 Platinum features a semi-passive operation, which means that the fan runs only when the load is high.

Brand: Corsair | Form Factor: SFX | Output Wattage: 600W | Efficiency Rating: 80 Plus Titanium | Modularity: Full Modular

  • Outstanding performance
  • Power supply that is excellent
  • Travel-friendly
  • The operation is silent
  • Inability to disable semi-passive mode

7. EVGA SUPERNOVA 650 P2 – Best Overall 650w PSU

Best Overall 650w PSUThere is also the EVGA brand to consider. This is another Best 650W PSU. It has gained a reputation among tech market players for consistently improving its product quality. Get a chance at this brand if you haven’t already. The EVGA supernova 650 P2 boasts an exclusive and unique feature that makes it the best overall 650W power supply. When this feature is enabled, the fan will only kick in when the interior temperature reaches 45°C. This temperature is harmless since it’s immediately lowered by the fans, so there’s no need to worry about it heating up.

The heat emitted by many people is very noticeable. Mother Earth is very thoughtful of them. You should at least do your part to help the environment. Choosing eco-friendly options can save you a significant amount of energy. The motherboard has the standard ATX form factor, which can be plugged into ATX, mATX, EATX, HPTX, XLATX, etc. The motherboard has one 12V rail. As seen in the other competitive PSUs, split rails are more beneficial. It has an 80 Plus Platinum efficiency rating.

Approximately 92% of the system’s efficiency is achieved at 100% load. The best efficiency is observed at 50% load, where 94% is achieved. As a result of higher efficiency, less heat is generated, which reduces the strain on the cooling system and the computer. Many connectors are available for use. In addition to nine SATA connectors, the PCI-E connector contains one 24-pin ATX connector, two eight-pin CPU connectors, and six peripheral four-pin connectors. 

Two 8-pin connectors and two 6-pin connectors are provided on the PCIe cards. A floppy connector is also provided. A temperature range of up to 50°C is supported.

Brand: EVGA | Form Factor: ATX12V / EPS12V | Output Wattage: 650W | Efficiency Rating: 80 Plus Platinum | Modularity: Full Modular

  • Self-testing power on feature included
  • Efficacy
  • Cables with full braiding
  • Dust can’t be effectively managed with a single rail

8. Riotoro Enigma G2 – Best Modular 650w PSUBest Modular 650w PSU

Hardware and computer accessories can be purchased with confidence from Riotoro. Before going down the list, you might have thought of this. Customers and retailers alike love Riotoro. It’s packaged very well. Several accessories are included in the package, including screws, zip ties, and cable straps. As an investment, it’s great because it’s tension-free. Riotoro is already taking care of voltage, current, and short-circuits, so you don’t have to worry.

As the best modular 650W PSU with protection from such hazards, the Riotoro Enigma G2 will last an average of 10 years. Let’s face it, short-circuits have been one of the most common hazards since the beginning of time. Imagine having a power supply that is immune to short-circuits. That would be my number one priority. 

The Enigma G2 is probably on your wish list, but it still has more to offer. This Best 650W PSU does not require you to worry about CPU cooling. Three different cooling modes are provided.

There is very little noise generated by these fans. In addition to reducing heat effectively, they also produce very little noise. If the temperature has dropped to a desirable level, you can also change the cooling mode. Having already mentioned the fan’s low noise level, its length is 120 mm. I should mention that as well. Performing routine tasks does not require the fan to work under average load. If it is not busy, it will be muted. The cooling quality will not be compromised. With Enigma G2, your system will have better airflow. This unit cannot show a technical fault because it uses capacitors imported from Japan. Due to its good performance and efficiency rating, it is the best 650W PSU.

Brand: RIOTORO | Form Factor: ATX | Output Wattage: 650W | Efficiency Rating: 80 Plus Gold | Modularity: Full Modular

  • Quiet operation of the fan
  • Technical assistance in its entirety
  • Travel-friendly
  • Cables with short lengths


The article about Best 650W PSU has now come to an end. Please take time to read through the options specially designed for you. 

The authors have conducted extensive research to prepare this article, so you don’t have to. Hopefully, you’ve now determined which 650W PSU is best for you. In case you are still having trouble choosing, we can simplify the task for you.

Corsair provides exceptional quality and long-term commitment with its power supplies. Try Seasonic and EVGA for highly efficient products. Among these brands, I prefer Seasonic and EVGA. Thank you for reading this article. Have a great day!

Frequently Asked Questions

Is there a best power supply brand?

The best power supplies are from Corsair. The other two winners are EVGA and master Coolers, other than CorsairCorsair.

Can I use a 650w PSU with a VA UPS?

With a 0.6 electricity factor, a 650W PSU can draw a maximum of 1000VA.

In reality, your power supply rarely or never does that, drawing approximately 400W or 660VA (once again, assuming a 0.6 power factor).

The UPS must be 600-750VA.

What is the best power supply efficiency rating?

Once you determine the wattage your PC requires, you need to determine the efficiency you can afford. The PSU efficiency rating system all tends to be the same: 80 Plus.

Your PSU should have the following six ratings:

  • Bronze
  • Silver
  • Gold
  • Platinum
  • Titanium

Power supplies with 80 Plus Titanium certification are more efficient than those with Bronze certification, meaning they consume less energy (heat) during AC to DC conversion. Three load levels are typically measured: 20%, 50%, and 100%. Despite being rated at 50% efficiency, Titanium power supplies function just as well, if not better, during heavy loads.

The internal components of an efficient machine are also likely to be subjected to less heat and last longer. The higher a power supply’s certification, the more reliable it tends to be. The warranty offered by most manufacturers is a plus as well.

How should a PSU be evaluated?

Choosing the right power supply begins with considering reliability, customer support, warranty, and the manufacturer’s reputation. We chose several categories because there isn’t a single solution that applies to every build. Additionally, we considered budget, compatibility, unique features, and design for each.

We selected our top picks based on the above criteria and overall efficiency ratings. While the 80 PLUS certification program does not provide complete information about PSU performance, it does set some standards and expectations for efficiency. Efficiency means fewer heat build-ups and lower power consumption.

Is a modular power supply necessary?

You should future-proof your system against future upgrades. If you have a modular power supply, you can add cables as needed or remove those you do not need, thus freeing up valuable space inside your case. If you want the flexibility of adding other peripherals later or want a beefier graphics card, this is ideal.

However, if only a few extra cables are lying around you can get by just fine with only semi-modular or fixed cable systems. Most PC cases let you tuck these away in the back in order to hide them from view.

A word of caution: compatibility is an important factor when it comes to power supplies. Keep cables from the same PSU, as using cables from different PSUs could damage your computer. Moreover, even identical cables from the same manufacturer may not be universally compatible. Make sure that your cable set matches your PSU’s PIN connectors if you are going to splinter from the cables included.

What is the best 650W PSU?

The best 650W PSUs are made by reputable companies like Corsair. The best 650W PSUs are the Corsair CXM 650W, the Bitfenix Whisper M, and the Corsair TX650M Gold.

How good is a 650 watt power supply?

An adequate gaming PC rig will need a power supply of 650 watts or more. You can stream and game with a 650W PSU, even if you have a 500W PSU.

Do 650 watt power supplies work well for gaming?

High-end gaming is best suited to a power supply with 650W. Streaming should be possible at the same time as all AAA titles.

Is a 650W power supply sufficient for overclocking?

A PC rig with solid hardware should be able to overclock with a 650W power supply. To be safe, you can also purchase a 750W power supply, but 650W should do the trick.