6 BEST 650W PSU For Your Computer | Power Supplies


Why does the power supply unit ( PSU ) have such great importance in your computer? PSU is the one that converts AC to DC, which is the requirement of your computer. It also manages the voltage of the computer to avoid overheating.

Typically, 550-650 watt PSUs can work best for your computers or PC. People, usually pro gamers, would look into the details for the best 650w PSU.

Good working GPUs can perform their best with 650w PSU. 650w is one of the most efficient ranges of watts for PSUs.

At a Glance:

Best 650w PSUs can fulfill your requirements of the best working computer.

Gamer or no gamer, you want your computer to run smoothly without heating up. You can’t think of putting up a below 650w PSU on your advanced technology computers. That’s going to be a disaster. NOW is your chance! Upon checking APU vs GPU, you might be able to take advantage of a free trial offer

Save your time and energy and look for the best 650w PSU for your computer.

Buyers’ guide

Usually, PSU is left neglected when looking at the details of a PC/computer.

PSU is like what a cell is for a human body. If it works efficiently, then other components also work smoothly.

Buyers need to know what parts of PSU should they look into detail before buying their PSU.

Let’s get right into it.


Modular energy delivery gives a removable cable system, presenting the ability to eliminate.

New connections on the cost of a small quantity of more electric resistance brought with the aid of using the extra connectors.

This reduces clutter, eliminates the chance of dangling cables interfering with different components, and might enhance case airflow.

The modular power supply should be fully modular for efficient performance.

80+ Certification:

80+ is a voluntary certification application that promotes efficient energy use in pc energy delivery units (PSUs).

It was launched with the aid of using Ecos Consulting; it certifies merchandise with greater than 80% power performance at 20%, 50%, 100% of rated load, and an energy thing of 0.9 or extra at 100% load.

Mostly 80+ gold certification is considered as a high-end, but Bronze certification also works at its best.

Data Connectors:

Connectors are most commonly used to power hard drives and optical drives.

The best number of SATA connectors should be more than 5.

EPS Connectors:

It connects to the motherboard EPS 12V socket. Also, it can provide additional power to the CPU.

There should be atleast 1 EPS connector present in PSU.

Molex Connectors:

Connectors, in most cases, are regularly used for fan connections in the current system.

However, they were used for tough drives, optical drives, and many different devices.


The Peripheral Component Interconnect Express (PCI Express or PCIe) is a high-pace interface widespread for connecting extra snapshots cards (GPUs), Local Area Network (LAN) ports, NVME solid-country drives (SSDs), Universal Serial Bus (USB) ports, and different hardware to a computer’s motherboard.

Form Factor:

The form and standard bodily format of a factor are known as the shape element. Items that give a shape element are generally interchangeable, at the least as their sizes and suits are concerned.

When designing a PC, the engineers can pick out to apply one of the famous preferred PSU shape factors or choose to construct their own.

Choosing the previous way is a truly inexhaustible delivery of cheaper alternative elements in several first-rate and strength output levels.

Through the custom pathway and beyond regular time, it costs for development. In addition, the strength deliver is specific to the gadget and to be had simplest from the unique manufacturer.

My recommendation for the best 650w PSU is EVGA Super-NOVA 650 Ga Fully Modular.

What makes it different than other PSUs or other 650w PSUs?

If you are a perfectionist who wants and needs everything to be done right, you should analyze the EVGA Super-NOVA 650 Ga Fully Modular specifications. It has everything a pro gamer would love to have for the best gaming experience. It contains,

  • 650w voltage
  • 80+ Gold certification
  • ATX type
  • EPS connectors: 1
  • PCI-e 6+2-Pin connectors: 6
  • SATA connectors: 9
  • Molex 4-Pin connectors: 4
  • Length: 150mm

It comes with every perfect and standard feature that a GPU should come with. Not just that, it has a global rating of 4.7 stars out of 5, which is pretty cool.

It costs $79.9 on Amazon. If you want the best working for your computer, you need to invest in it as well.

The fun fact comes with a ten-year warranty.


You can’t even think of scrimping the details of PSU. You have to look for the best possible 650w PSU out there.

Your whole working of the computer, in the end, depends on the PSU. All the components can be affected if the working of the PSU is not good.

Without wasting more time, let’s get right into our list of best 650w PSU.

Best Pick1. Corsair CX Series 80 PLUS Bronze certified<u>.</u>
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Staff Pick2. Thermaltake Smart Pro 7 Year Warranty
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Budget Pick3. EVGA Super-NOVA 650 Ga Fully Modular
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4. CORSAIR CV Series CV-650 650 Watt Power Supply
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5. Cooler Master 650 Watt Semi fan-less
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6. EVGA 100-N1-0650-L1 Fan Size of 120 mm
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1. Corsair CX Series 80 PLUS Bronze certified.

Best Pick

Corsair is one of the best computer peripherals and hardware manufacturing companies in America. Their model from the CX series is 80 PLUS Bronze certified.

Corsair CX series has a high-efficiency operation for less excess heat and lower operating costs.

It has a 650w voltage which, as described above, is the standard range of voltage.

It is an ATX type. Also, it comes with being semi-modular.

The peripheral power cables aren’t tightly wired. This may result in the power supply. You could join the wires you want on your precise configuration of PCI-e playing cards and storage devices.

It has a global rating of 4.7 stars out of 5. It is also super affordable and easy to use. Make this product a must-buy in your list.


  • PCI-Express 6+2 Pin Connectors: 2.
  • EPS Connectors: 1.
  • SATA Connectors: 6.
  • Molex Connectors: 4.
  • Overpower and short circuit protection are available.


  • It has built-in thermal control fans.
  • Good looks.
  • Little to no fan noise.
  • Reliable and compatible


  • Not best like gold certified PSU

2. Thermaltake Smart Pro 7 Year Warranty

Staff Pick

Thermaltake is known for its top-notch products. This model of Thermaltake is introduced with a seven-year warranty, which is a pretty huge deal.

Thermaltake smart pro is also 80+ Bronze certified. You can expect high-end efficient performance from it.

It has 650-watt voltage. And to necessary mention, it has an RGB fan. That’s a good thing.

Thermaltake PSU also has a high-efficiency performance with less excess heat produces. Also, less operating cost is counted.

It is an ATX type.

Its storage can tolerate up to -40°C to + 70°C. And operating temperature may range from 0°C to + 40°C.

Overall, it works best with most computers. It has promising longevity. You can enjoy your games for hours on the computer.

It has a global rating of 4.6 stars out of 5. It’s a must to consider this product.


  • Input frequency range: 50Hz – 60Hz.
  • Input voltage: 100V – 240V~.
  • Input current: 10A.
  • Hold up time: > 16msec at 75% load.
  • Peak output capacity: 780W


  • Good performance is expected at a fair price.
  • Lights on the fans


  • Not the best product for a high-end market

3. EVGA Super-NOVA 650 Ga Fully Modular

Budget Pick

You must have heard the EVGA brand name. It offers its edition of 650 watt PSU, which has a fully modular power supply design.

EVGA Super-NOVA 650 Ga has an output wattage of 650 watts.

It is 80+ GOLD certified. Yes, you heard that right. Gold-certified models can be considered high-end products.

It provides high efficiency as maximum as 90% of it, with the less excess heat generated as possible.

Its longevity is no joke. It can go up to years without causing any trouble.

Thermaltake’s PSU has 100% Japanese original capacitors and a durable double-ball bearing fan.

It is also an ATX type.

It holds a global rating of 4.7 stars out of 5. So, without wasting more time, grab yours.


  • EPS connectors: 1
  • PCI-e 6+2-Pin connectors: 6
  • SATA connectors: 9
  • Molex 4-Pin connectors: 4
  • Length: 150 mm


  • Ten-year warranty.
  • ECO Mode with Dbb Fan


  • A bit expensive

4. CORSAIR CV Series CV-650 650 Watt Power Supply

Here comes another product of CorsairCorsair but from the CV series. It comes with an excellent range of 650-watt power supply.

According to the general public’s opinion, Corsair’s CX series is much better than the CV series. But the CV series also has its goods. Let’s check it out.

Corsair CV series CV-650  was made to meet up the requirements of an 80+ Bronze certification. It provides 88% efficiency for less heat and lower energy costs.

The good thing about the CV series is that it gives you continuous power at total capacity. You can expect it to provide you with reliable output.

But the shocking thing is that it has a non-modular power supply design.

It is also an ATX type.

A 120mm thermally managed low-noise cooling fan spins at high speed while your energy delivery is below heavy stress by turning it down for quieter operation at lower loads.

About its compact design, we can say CV collection enclosures are the simplest 125mm long, making sure a simple match in nearly all advanced PC cases.

It has a global rating of 4.7 stars out of 5. It may not be best like the CX series, but it can give you good results. So, consider this masterpiece.



  • PCI-express 6+2 pin connectors: 2
  • EPS connectors: 1
  • SATA connectors: 10
  • Molex connectors: 8


  • Fans don’t create noise


  • It creates a massive amount of coil whine when playing games at a large framerate

5. Cooler Master 650 Watt Semi fan-less

Like the name of the brand, they make their products excellent and a masterpiece that can rule in the market. Cooler Master presents their version of PSU, which is semi fan-less.

Cooler master 650 watts is 80+ plus Bronze certified like other PSUs. It has a power supply with an innovative semi fan-less mode.

Under 15% load, the Master Watt fan remains idle, offering zero dBA.

Thanks to the 80+ bronze certification, it delivers around 85% efficient performance with less excess heat and operating cost.

Cooler Master, 120mm Silencio FP fan, joins sealed LDB bearings with non-audible fan blades supplying an extended life of quiet cooling.

It is an ATX type.

Either way, it is comparatively a good working PSU with promising longevity.

It has a global rating of 4.6 stars out of 5. It’s a must-buy product.


  • Dual forward & DC-to-DC circuit design.
  • 16AWG cables for PCI-e cables.
  • SATA connectors: 9
  • CPU 12V 4+4 pin: 4
  • FDD: 1


  • Good looks with a fine glossy finish.
  • It gives good performance at a suitable price


  • The adoption of cheap Chinese 85c rated capacitors throughout

6. EVGA 100-N1-0650-L1 Fan Size of 120 mm

Presenting you another model of PSU from EVGA, this happens to have a fan size of 120 mm.

This EVGA 100-N1-0650-L1 is a 650-watt voltage carrier. It is an ATX type.

According to EVGA, they can deliver full power at a low temperature, 25 degrees C. That’s why they don’t have modular cables available. Well, that’s not impressive at all.

It is 80+ white certified. It only has two PCI-e connectors installed on the same cable, which uses thin 20AWG gauges.

It is not suitable for high-end GPUs.

Even though it holds a global rating of 4.6 stars out of 5, it would be better to look for other PSUs on the list.

But it can work perfectly fine if you don’t have a high-end GPU.


  • Minimum input voltage: 100 Volts.
  • Product Dimensions: 5.51 x 5.91 x 3.35 inches; 3.09 Pounds.
  • Overvoltage protection is available.
  • Noise: LAMBDA-S+ (35-40 dB[A]).
  • Inrush current protection available.
  • ATX Connector 20+4 pin (560mm): 1
  • Motherboards


  • The cooling effect of 120mm Rifle Bearing Fan (DWPH EFS-12E12H).
  • It comes with a two-year warranty


  • The efficiency of the power supply is only around 75%


Is 650w PSU enough?

A 650W delivery needs to be suitable for a gadget with a computing device CPU, even overclocked, and any single pictures card until you aim for overclocking records.

CPU energy draw of as tons as a KILOWATT has been said at some point of file runs using liquid nitrogen cooling.

How much VA UPS do I need for 650w PSU?

650W PSU will draw max round 1000VA, the use of 0.6 electricity factor.

Practically, your PSU not often or by no means does that and draw best round 400W or 660VA (once more the use of 0.6 electricity factor).

Yes, 600-750VA UPS has to do.

How long should a PSU last?

Under everyday intended use, a PSU should last a long time, at least five years, maybe up to 10 years.

But if you start to put the power supply under high loads over a long period, it can be overstressed.

What PSU brand is the best?

Corsair PSUs are the best. But other than CorsairCorsair, I would say EVGA and master Coolers are also winning the game.


650 watt PSU was released not long ago. But this is a perfect range for a voltage of a PSU to supply enough power to the computer and its components.

Best 650w PSU can be found at several brands, but it can be a tough job to find the right one for your computer.

Always look at the details of your computer components first, then see what 650w PSU specifications can support your computer components.