Appropriate power output is inevitable to perfectly power your devices. Though power supply unit (PSU) may not be the most talked-about PC component, it is a crucial component of any desktop. Supplying proper power to your whole system is important and using the wrong power supply can be expensive. So you should check out compatibility and pick a unit that can power your PC effortlessly. Today we’ll look at the best 650W power supply in the market.

For most gaming or PC systems with moderately powerful CPUs and GPU, the 650W power is the right sweet spot in terms of efficiency, performance, and price. It may be rare to get a single GPU system that needs higher than 650W. Identically, even an entry-level system is built better with certain PSU headroom to streamline CPU or GPU upgrades. Not only do they deliver efficient power output, but they also stabilize the operation of your whole system. To help you have a clear picture of how to get the best 650W power supply in 2021, we have highlighted the best ones along with a section on how to choose them, take a look below.

List of The Best 650W Power Supply

Check out the thorough reviews of the best 650W power supply in 2021 below.

1. EVGA 650 N1 650W Power Supply

EVGA 650 N1 650W Power Supply

Are you the one who intends to build a PC system on a budget? If the answer is yes then you can go for this best 650W power supply on this list. It is an efficient PSU at a low price. Moreover, the EVGA 650W provides the protections and connections required for fundamental system builds.

With the inclusion of an ultra-quiet fan design, this PSU will not create any disturbance and help you to build your PC system effectively. It works perfectly for those hardware configurations where you will not install more than basic features. Accessories in the pack are an EPS cable, an ATX cable, a PCIe cable, a SATA cable, a 4-pin peripheral cable, a floppy adapter, an AC power, an installation guide, and a power supply tester.

Key Features

  • The input frequency range is 50 Hz – 60 Hz.
  • The input voltage range it supports is 100V – 240VAC.
  • It supports 52A on a single +12V rail. So, it offers plenty of options without reducing your component requirements.
  • The 120 mm sleeve bearing based auto fan offers near-silent operation.
  • There is the implementation of heavy-duty protections including OVP, OCP, UVP, OPP, and SCP.

Pros And Cons

Pros
  • The fans operate quietly
  • Stylish black cable cover presents an elegant look
  • Efficient power delivery to all components
  • No cable mess or interference
  • Various safety features incorporated
Cons
  • It seems that this power supply does not support 4k games

2. Corsair CX Series 650 Watt Modular Power Supply

Corsair CX Series 650 Watt 80 Plus Bronze Certified Modular Power Supply

For fundamental system builds and desktop PC upgrades, modular power supply units from CX Series are wonderful choices. They offer great reliability, reduced noise, and superb flexibility of modular cabling.

Due to smart fan design with low noise operation, the fan noise is negligible during the operation. It is a thermally controlled fan with a huge diameter. Due to the huge diameter, the noise is reduced even when your system is connected to heavy loads. The black connectors, black-sleeved cables, and matte black finish provide a high-tech, restrained look to your system. The operation is so reliable that the PSU will last over several systems builds.

Key Features

  • Being 80 PLUS Bronze certified, this power supply unit supports high-efficiency operation with reduced heat and operating costs.
  • MTBF is 100,000 hours.
  • Due to its semi-modular structure, your builds and upgrades become easy.
  • The continuous output rated temperature is 40°C.
  • Because peripheral power cables are not hard-wired to this power supply unit, you can connect only those cables you require. This leads to the precise configuration of PCI-E cards as well as storage devices.
  • To reduce cable clutter, the unused cables remain in the box and not inside your PC’s case. This type of configuration also maximizes airflow.

Pros And Cons

Pros
  • Modular cabling system reduces cable clutter
  • Excellent reliability and low noise operation
  • Speedy and easy installation
  • 80 PLUS Bronze certification denotes less excess heat
  • Reduced power consumption
Cons
  • Limited compatibility

3. EVGA SuperNOVA 650 G3 Fully Modular Power Supply

EVGA SuperNOVA 650 G3 Fully Modular Power Supply

EVGA SuperNOVA 650 G3 is based on the award-winning G2 Series power supplies. It comes with 80 Plus Gold rated efficiency so the PSU offers powerful performance at different loads. So, it is one of the best 650W power supply in terms of efficiency. Backed with a 10-year and Japanese capacitor design, this PSU is not just the appropriate choice for your existing system, it is also the best alternative for your system in the future.

Accessories in the pack are an ATX cable, an EPS cable, a PCIe cable, a SATA cable, a 4-pin peripheral cable, a floppy adapter, an AC power, an installation guide, and a power supply tester.

Key Features

  • EVGA 850 G3 provides 90% efficiency at 115V AC and 92% efficiency at 220V-240V AC range.
  • The 130 mm fan comes with a hydraulic dynamic bearing to ensure ultra-quiet performance.
  • There is the implementation of heavy-duty protections including UVP, OVP, OPP, OCP, and SCP.
  • The ECO thermal control fan system provides different fan modes to deliver zero fan noise for low load operations.
  • So, efficiency is excellent for long-term operation.
  • The power consumption, energy costs, and heat dissipation are low.

Pros And Cons

Pros
  • A fully modular design keeps unnecessary cables out of the case
  • Excellent airflow to all PC components
  • Clean, low ripple power with all necessary safety features
  • Eco mode keeps the PSU silent under low/medium load
  • The fan only operates during gaming or heavy load
Cons
  • Takes some time for setup

4. ARESGAME 650W Power Supply (AGV650)

ARESGAME 650W Power Supply (AGV650)

ARESGAME AGV650 is a high-end ATX gaming PC power supply unit. It comes with 80 Plus Bronze certification and provides 85% efficiency. Though the design boasts a simple appearance, it provides stable and powerful power output. Gaming enthusiasts can enjoy the decisive fighting moment in a lifelike manner.

The cable length of a minimum of 500 mm supports a high-end case. It fulfills users’ requirements for perfect cable management. Moreover, the magic cable tie keeps your PC environment tidy and also minimizes space usage. From the pack, you get an AC power cord, 4 cable ties, 4 screws, a quick installation guide, a user manual, a tester, and replacement screws.

Key Features

  • The 120 mm fan is durably built and it operates quietly. It comes with intelligent fan speed control.
  • Protection features include UVP, OVP, OPP, and SCP.
  • Black bushing cables ad connectors, SECC black coating casing, and black fan convey a high-tech appearance to your PC system.
  • Stable and reliable output voltages offer consistent power delivery.
  • Honeycomb ventilation design is combined with the fan function for improved heat dissipation.
  • There is high-end VGA card support with the latest PCI-E 6+2pin connector.

Pros And Cons

Pros
  • Elegant and modern design in black
  • Solid metal construction
  • Lengthy cables make it effortless to reach different layouts
  • Extremely quiet operation
  • Includes zip ties for cable bundling
Cons
  • Becomes hot after a few minutes of operation

5. Corsair RM650 Fully Modular Power Supply

Corsair RM650 Fully Modular Power Supply

In cases when you want a low noise operation when working on your PC build, you can go for this Corsair PSU. In terms of low noise operation, it is the best 650W power supply. Corsair specially designed this PSU for low noise operation. The 140 mm rifle bearing fan with a uniquely calculated fan curve ensures minimum fan noise, even at full load. Moreover, a 160 mm long casing fan guarantees a perfect fit in nearly all modern PC cases. So, more space is provided for cable management and there will be enough airflow in the chassis. 

Key Features

  • Being 80-plus Gold certified, the RM650 PSU offers high-efficiency operation for reduced power consumption. This certification also offers reduced noise and ensures cool operation.
  • The 105°C-rated industrial-grade capacitors offer excellent electrical performance and reliability.
  • The zero RPM fan mode is suitable for operation at low and medium loads.
  • The included cooling fan entirely switches off for the near-silent operation.
  • PCI-E connectors can connect to power dual or triple (RM850 only) GPUs for your most enthusiastic PC gaming builds.

Pros And Cons

Pros
  • Virtually silent operation
  • Easy to install, even in an existing PC build
  • Cable length is appropriate where you would expect it; not too long neither short
  • Zero fan-rpm modes decrease the noise from the PC
  • The included capacitors offer solid electrical performance
Cons
  • Thick cables are slightly stiff

6. be quiet! Straight Power 11 Platinum 650W Power Supply

be quiet! Straight Power 11 Platinum 650W Power Supply

be quiet! Straight Power BN641 is a 650W PSU that is 80 PLUS Platinum certified. This certification lets this PSU achieve maximum efficiency of up to 93.8%. This much high efficiency offers plenty of benefits for your high-end system. These benefits include reduced power consumption and cool and quiet operation.

The high-end silent wings 3 fan delivers best-of-class airflow yet produces very little noise. This is thanks to its unique, optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor that largely eliminates operational noise, has a super-long life, and minimal power consumption.

The fan inlet of the Straight Power BN641 is funnel-shaped. It causes an increased throughput of air which benefits to higher cooling performance. At the DC side interior of the PSU body, the PSU is wire-free. This leads to enhanced airflow and reduced signal disturbance. So, the components’ longevity increases.

Key Features

  • Three 135 mm fans are included for virtually silent operation.
  • Due to the funnel-shaped fan opening of the PSU case, the airflow intake is high.
  • Modular cables offer excellent build flexibility. All unnecessary cables are left out. So, your PC system always appears tidy.
  • The standby drain is less than 0.1 watts.

Pros And Cons

Pros
  • The DC-to-DC conversion for tight voltage regulation guarantees reliable operation even under heavy loads
  • High airflow intake for efficient cooling
  • Being fully modular, it is easy to run and manipulate the cables
  • Controlled heat generation throughout the use
Cons
  • The metal bars on the fan that works as a mesh seems not so resistant

7. ASUS TUF GAMING 650W Power Supply

ASUS TUF GAMING 650W Power Supply

This ASUS PSU contains military-grade components for reliable long-term operation. This along with a robust cooling solution creates a powerful platform that you can rely on. There is a protective conformal covering that encloses the PCB. It protects against short-circuits resultant due to dust, debris, and moisture.

Excellent cooling is offered by a 135 mm fan that is rotating over a dual ball-bearing setup. This bearing setup has up to twice the longevity of a sleeve bearing design. The excellent durability and reliability make it become one of the best 650W power supply from Asus. Cables enveloped in black sleeving presents a clean and modern look. A 6-year warranty is included.

Key Features

  • All its chokes and critical capacitors pass severe tests to attain military-grade certification. This PSU comes with an 80 Plus Bronze Certification.
  • Axial-tech fan design showcases a tiny fan hub that offers longer blades as well as a barrier ring that boosts downward air pressure.
  • 0 dB technology helps you to enjoy light gaming without noise.

Pros And Cons

Pros
  • Comes with short-circuit protection
  • The 100% modular pin hookup jeeps the case neat and nice
  • No cable clutter
  • Includes a small bag to store all the additional cables
  • The LED display shows how many watts are consumed in real-time
Cons
  • Unable to control the lighting effects of the PSU

How To Pick The Best 650W Power Supply?

It is vital to be aware of all the important considerations when you intend to choose the best 650W power supply. Here are some of the important factors to consider.

1. Modular power supply

Modular energy delivery provides a removable cable system. The use of extra connectors adds to the cost and also adds to the electric resistance. To eliminate cable mess and its interference created with various components, it is better to go for a modular 650W power supply. In addition to presenting efficient performance, a modular 650W power supply also provides enhanced airflow.

 2. 80+ certification

80+ is a voluntary certification application that encourages efficient energy usage in power supply units. It was started with the support of using Ecos Consulting. Moreover, it certifies products with power performance higher than 80% at 20%, 50%, 100% of rated load.

Typically, 80+ gold certification is regarded as high-end. However, Bronze certification also functions at its best. With the use of superior quality components which pass rigorous testing, 80+ Bronze Certification is achieved. You can insist on buying a 650W power supply with 80+ Certifications to ensure that all the components used are of superior quality and they function efficiently.

3. Form factor

When it comes to size and design, the form factor comes into play. These are shape elements that determine whether the product will be easy to install or not. Also, it gives an idea on whether the product will occupy Factor much space or not.  

While designing a PC system, engineers can choose to apply one of the popular PSU form factors or opt to construct their own. It is better to choose a 650W power supply with a small form factor. This is because the small form factor indicates that the PSU will not occupy much space and thus, it can be easily incorporated into the system.

FAQs When Picking The Best 650W Power Supply

1. How does a power supply unit function?

A power supply works by transforming energy from a wall socket and then directing that power to all the individual components within your system. This routing of power is accomplished through a wide range of cables.

If you use a non-modular power supply, these types of cables would already be soldered into the circuit board. This implies that you cannot choose the cables that you want in your PC build. All the cabling including the ones you don’t use must be stored in the case.

2. What are the common features found in the best 650W power supply?   

For the best gaming experience or the best PC usage experience, a topmost 650W power supply includes all necessary features. These include 80+ Gold certification, ATX type, an EPS connector, six PCI-e 6+2-Pin connectors, nine SATA connectors, and four Molex 4-Pin connectors.

3. What are the additional features found in certain 650W power supply units?

PC building is mainly about customization, and for that, PSUs are no exception. Apart from the key features discussed above, a premium 650W power supply offers lots of additional features. It has some additional features like additional connections, RGB lighting, testing buttons, and power draw measurements through internal USB connections. These luxurious features are more than necessities. You can carefully choose a 650W power supply considering only those features you need so that it doesn’t cost you much.

Final Thoughts

The functioning of the whole PC system relies on the power supply. If PSU is not perfect then the system will eventually fail. Essentially, PSU is a long-term investment that yields returns for a long period. When you’re looking for a PC power supply, there are many things to take into consideration, and for most people, a 650W power supply will be plenty, the best 650W power supply efficiently keeps your PC components healthy and running for the long term. The discussed 650W power supplies come with enough connectivity options and ease of installation.

Enjoyed this? Then be sure to check out our other guide about Seasonic Prime TX-850 850W Power Supply.