Best Cheap Power Supply (PSU) for Gaming 2020

Expert gamers know, choosing the right power supply (PSU) when assembling your computer is crucial.

It’s the first component that powers the whole system, so getting it wrong can lead to nerve-wracking failure.

Have you ever sent your motherboard to the grave? How about your graphics card?

If so, I’m sorry, my friend, but you’re not alone.

To prevent this, and aid your search, here you’ll find our top 10 best cheap power supplies for gaming of 2020 all in one place. Picking the perfect power supply doesn’t have to cost a fortune when done intelligently.

Don’t waste your money on oversized units (going solely off of Total Wattage offered), and get one that’s just right for your configuration.

To help you pick the best budget power supply for gaming for your tastes, read through our top-rated cheap power supply reviews, with pros and cons of each model. Avoid the stress getting stuck with a lemon, and go with one of our highly-reviewed power supplies.

Now, without further ado, let’s jump right in with our #1-rated budget power supply of the year!




Current Price


Three-year warranty, quiet cooling fan, 80 plus White certified


Cheap, comes in modular and non-modular type, three-year warranty


Affordable, seven-year warranty, 80 PLUS Gold certified


Five-year warranty, 80 PLUS Gold efficiency


Uses ionic and infrared drying technologies, powerful motor


80 Plus Bronze certification, 135mm fan, single +12V rail


Two designs, Four different sizes, platinum certified efficiency


High-quality, inexpensive, 8-0 PLUS certified, +12V rail


Five-year warranty, 80 PLUS Gold certification, Semi-modular PSU design


Different styles and sizes, ten-year warranty

Factors to Look for in Best Budget Gamming Power Supply

Know the Wattage you Need

Wattage readings on power supplies can be very misleading as the total Wattage of all voltage lines is usually under peak rather than sustained loads. With the enormous demands of components, the total output needed explicitly for the +12V line has become eminent for people who use graphic cards.

A PSU should, at the least, have 18a on the +12V line. For people who don’t use graphic cards, a 300 Watt power supply is enough. You can even refer to PSU calculator software or refer to a website to check your ideal requirements.

Don’t carelessly purchase a PSU above your requirements until and unless you do not plan on upgrading the system. Always look for a PSU that can work well through the next few upgrades smoothly. A common myth about PSU is that higher wattage power supplies consume more power, which is entirely false.

Power consumption doesn’t depend on the PSU; instead, they rely on the system’s components and how much they consume. PSU wattage ratings determine the maximum power the unit can supply to the system, but it doesn’t specify how much power is used by the components.

Look for PSU’s which offer higher efficiency Rates

Why does efficiency matter? Power supplies convert voltages from wall outlets to lower levels used by the computer system. In this elaborate process, quite an amount of power is lost in the form of heat. The efficiency level of the computer determines how much added power must be put into the PSU to run the whole system. If you buy an efficient power supply, you can save a lot of money going because of lesser overall electricity usage.

But often, people tend to buy just for total Wattage so much so that the power savings do not match their high cost. But this article will further describe a list of the best budget power supply to assist the consumers. When it comes to power supplies, efficiency levels drop over time. Good quality PSUs have functional components that ensure higher efficiency, waste less power, and generate less heat.

When buying a PSU, look for units with eighty-plus certification as they deliver 80 percent efficiency with very less loss of energy as heat. Even in the 80 plus certified power supplies, there are various available options, such as Bronze, Silver, Gold, and Titanium certifications. Mostly for average users, buying an 80 plus Bronze level certified PSU can do a great job, that too, within a reasonable price.

Physical size and Robustness

While buying a PSU, many people tend to ignore the weight and physical size of the unit. Well, power supplies don’t come in a general size. There are, however, standard guidelines for the size of the units, and they differ a lot if not appropriately chosen, which can cause problems to get within the computer system.

For example, higher wattage power supplies take more time to hold the extra power components they require. This action can cause issues like a damage in the internal components. There is also a strong association between weight and quality of the PSU. Bigger and higher components equal to a more tolerant, better, and reliable PSU. If one doesn’t seem to care about the noise made by the fan, then an 80mm cooling fan on the rear of the power supply may offer better value.

Choose the right type and number of connectors – Today, sundry power supplies are available in the market and have various power connectors. Some of these power connectors are; 20/24- pin power, 4-pin ATX12V, floppy SATA, and 4-pin Molex. New power supplies usually offer a 24 pin ATX connector that doubles as a 20-pin connector. But the first step is to know what kind of power connectors your PC components require.

Mostly all power supplies have both a 4-pin and 8-pin auxiliary 12V connectors for motherboards and other components, and only high-end PSUs have more than 6-pin PCI-E connectors. One more thing to consider is modular cables. The modular power supply offers power cables which can be connected as per your need. Ultimately, they help reduce cable clutter, stop airflow, and make it hard to work on a computer.

Listed below is a comprehensive list that mentions all the best available power supplies in the market that can fit your idea of the best budget power supply.

Top 10 Best Budget Power Supply (PSU) 2020

1. Evga 500 W1, 80+ White 500W

Evga 500 W1

(Editor’s Choice)

This Evga 500 W1 power supply is available on Amazon and has a rating of 4.5 out of 5 stars. It also has plenty of good customer reviews, which amount up to more than two thousand.

It comes with a three-year warranty, and if you fill up additional registration, you can get an extra two more years. But this offer is valid for a limited amount of time. It’s operating temperature is from 0 degrees to 40 degrees Celsius.

It is 80 plus White certified with 80 percent efficiency or higher if under tropical loads. It has heavy-duty protections, which include Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Current Protection (OCP), Over Power Protection (OPP) and ort Circuit Protection (SCP).

  • It comes with a three-year warranty
  • It has a quiet cooling fan
  • Its cables are bundled perfectly
  • It is 80 plus White certified
  • It comes with substantial duty protections
  • Some people don’t like the mesh on the wires (we don’t mind, given its performance)

2. Corsair CX Series 750 Watt

cosair cx750m

This CX750M model by Corsair has received about 4.2 stars out of a total of 5 stars. The number of reviews received reach to almost five thousand.

The price of the power supply depends on the size and how much Wattage it can supply. As for a PSU of 750 Watt, it costs about $80, the PSU with 430 Watt is offered by various sellers, and the price ranges from $65- $71. PSU with 850 Watt costs about $120 and so on. It comes in two different types, modular and non-modular. The design delivers very high efficiency, availability, scalability, and a maximum amount of flexibility and performance. It is made in China, NA version.

It comes with a modular cable system that lets you see only those cables that you require. It is securely built and tests to strict standards for a trouble-free installation and smooth operation. It has 80 PLUS Bronze certified efficiency for low noise and lower power bills. And that means that when a PSU offers more than 80 percent energy efficiency, then less energy is lost as heat.

This model offers 85 percent efficiency. A dedicated single +12v rail provides the maximum amount of compatibility with the latest components. Corsair provides a three-year warranty on this product with free access for lifetime customer service and brilliant technical aid.

  • It is cheap
  • Comes in two a modular and non-modular type
  • Its design facilitates its efficiency, scalability, and performance
  • It does not make noise and uses very low power
  • Has a three-year warranty
  • It has a dedicated Corsair CX Series 750 Watt, which ensures that it is compatible with the components that are being currently developed.
  • The SATA cables are flat, but they get the job done

3. Evga 750 GQ, 80+ Gold 750W

Evga 750 GQ

This Evga 750 GQ PSU has about a 4.5 rating out of 5 stars and comes with ample reviews by various customers. It comes in different styles and sizes, and the styles have been offered multiple model numbers like GQ, G1, G2, G3, etc. Sizes of the product also vary like 55o Watt, 65o Watt, 759 Watt, 850 Watt, etc. The GQ model with 750 Watt amounts to about $80. The actual price of the item is more than $100, but Amazon offers a great discount of about 20%.

The prices of G3 models are a bit high, which range from $80 to $90. It comes with a seven-year warranty but for a limited time. If you go for additional registration, then you will get an extra 2 years period under warranty. EVGA 650 G3 is the most latest with high-quality components and has been branded as “The Next Generation in Power.”

It is also 80 PLUS Gold certified, with 90% efficiency or higher under typical loads. The fan size or bearing equals to 130mm with a hydraulic dynamic bearing. It offers heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP.

  • It comes in different sizes and styles
  • It is affordable
  • It has a seven-year warranty
  • It has an 80 PLUS Gold certified
  • It has heavy-duty protection
  • It is easy to install, and you can do it yourself
  • Larger capacity units (750W, 850W, 1000W) naturally increase the price-level

4. Seasonic G Series 650 SSR-650RM

seasonic g series 650

This G Series 650 by Seasonic power supply comes with a 4.5 rating out of 5 stars and a good amount of reviews of the product. It also comes in different styles and watts; the watts offered range as listed above for the other models. The styles offered do vary, like Style G, Focus Gold, Focus+ Gold, Focus+ Platinum, Prime Gold, Snow Silent, and Prime Platinum. The style G model of about 650 Watt has a list price of $80, but Amazon offers it at $72, which amounts to about a 10% discount.

It comes with a 105 Celsius JAPANESE CAPACITATOR, which is a highly reliable and quality component. It is SEMI-MODULAR, and the semi-modular cabling design provides the most common connections while allowing flexibility on the peripherals. It has 80 PLUS Gold efficiency, it is 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load. It offers a 120mm FLUID DYNAMIC BEARING FAN.

The 120mm fan is regulated from the inside by Seasonic S2FC fan control, which tries to optimize the fan speed according to the system’s needs. It comes with a total of 5 Year warranty, and a commitment to superior quality. This particular power supply offers the most amounts of warranty years without registration and is ranged at a reasonable price; perhaps this can be your best buy and can fit into your category of the best budget PSU.

  • Has a five-year warranty
  • It comes in different styles and watts
  • It uses 105 Celsius JAPANESE CAPACITATOR that is known for its reliability and effectiveness
  • It is among the few that have received 80 PLUS Gold efficiency
  • It is one of the most affordable PSU in the market
  • No extended warranty option (but five-years is enough for us)

5. EVGA 600 B1, 80+ Bronze 600W

evga 600 b1

This EVGA 600 B1 PSU also comes with a good rating of 4.5 stars. It also has 3000 plus reviews and a very reasonable price. The list price of the item, which is 600 Watt (and a B1 model), is about $64, but Amazon offers a deal.

It, too, comes with various styles and sizes. The models are categorized as B3, BR, BT, B1, B2, BQ, etc. It is also 80 Plus Bronze certified, with about 855 efficiency levels under typical loads. Fan size is 120mm with a sleeve bearing. It has heavy-duty protections that comprise of OVP, OPP, UVP, SCP, and OCP. It comes with a 3-year warranty for a limited time plus two additional years of warranty with registration.

  • Uses ionic and infrared drying technologies
  • Has a powerful motor
  • Has styling accessories
  • Has a simple yet fashion-forward look
  • Under heavy loads, the fan can be slightly loud (not bad for this price range though)

6. Rosewill Gaming Power Supply/PSU

rosewill gaming psu

This Rosewill Gaming Power Supply has amassed up to 4 stars as the rating and an ample amount of good reviews. It comes with various styles and sizes, up to 1000 Watt. The different types of styles include ARC, RBR, GLACIER, AND HIVE. The RBR model of 1000 Watt costs about $100. It has 80 Plus Bronze certification, which supplies to deliver 80% or more efficiency at a reasonable loading condition.

Outstanding short-circuit/over-voltage/ Over-Power/Under-Voltage/Over-Temperature Protections. It also has a semi-modular cable design that allows for easy and smooth installation, reduces system clutter, and aids in maximizing airflow through your computer’s chassis. It is equipped with a fan of 135mm and offers excellent airflow and very low noise.

It also features different speeds according to varying temperatures. That is why it qualifies as silent operation. Additionally, it has a professional power supply to support a gaming desktop computer system. It is the best solution to supply high availability, flexibility, and maximum performance. It is also UL, FCC, CE Certificated: With UL, FCC, and CE Certification, Rosewill ARC series power supplies with strong single +12V rail provide high-efficiency operation for less heat and lower operating loss.

  • It comes in different sizes to a maximum of 1000watt and styles
  • It has 80 Plus Bronze certification
  • It has an outstanding over duty protection
  • It has a 135mm fan that works without making noises
  • It has a power supply that can support a gaming desktop
  • It has a strong single +12V rail that prevents the consumption of a lot of power
  • It’s designed for larger configs, when you may be able to go smaller

7. Corsair Hxi Series

Corsair Hxi Series

This PSU is again a model offered by Corsair, the HX1000i, with a 4.5 rating and a lot of great reviews. It comes in two different style types, which are- Link compatibility and No Link compatibility. It is available in four different sizes, which are; 750, 850, 1000, and 1200 Watt. The Link compatibility 1000 Watt model has a list price of $230, and Amazon offers it at $210.

It is a high-performance design with 80 Plus Platinum-certified efficiency, which means that in a load of about 100%, it can offer more than 80% efficiency, helping to lose less heat energy. It has a flat back, low profile modular cables, and 1000 Watt of reliable, stable, and continuous delivery power. It has Zero RPM mode for fan-less operation at small loads and outstanding noise reduction. It offers a ten-year warranty, which is the most as compared to other power supplies in the market.

  • It comes in two designs the Link compatibility and No Link compatibility
  • It is created in four different sizes that range from 750 to 1200watts
  • It is 80 Plus Platinum certified efficiency
  • It comes with a ten years warranty
  • It comes with a Zero RPM mode for fan-less operations
  • It is affordable
  • Cables are slightly stiff, but not a deal-breaker

8. Thermaltake Smart 700W 80+ White Certified PSU

thermaltake smart 700w

This Thermaltake Smart 700W PSU comes with a 4-star rating out of five. It comes at a reasonable price with different styles and sizes. The styles include a choice between a Quiet Fan and a RGB fan. The sizes include 430, 500, 600, and 700 Watt. The Quiet Fan model of 700 Watt costs $55, while the list price of the item is $70, Amazon offers more than 20% discount on this product. It is a best budget PSU, which delivers 700W continuous output at about 40 Degree Celsius.

It is also 8-0 PLUS certified with more than 80% efficiency under typical loads. It has compliance with Intel ATX 12V 2.31 & EPS 12V 2.92 standards. It comes with the support of (2) PCI-E 6+2pin Connectors. And an active (PFC) Power Factor Correction of MTBF: 100,000 hours. It comprises of high-quality components, industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection. It comprises of a powerful +12V rail, which offers superior performance under all types of system loading. It comes with a total of 5 year warranty period.

  • It comes in different sizes and styles
  • It is among the high-quality, inexpensive kind
  • 8-0 PLUS certified
  • It comes with a +12V rail that is very effective
  • It has a five-year warranty
  • The fan is slightly louder than previously listed PSUs

9. Rosewill Computer Modular Power Supply

Rosewill Computer Modular Power Supply

This is a Capstone 705W PSU model by Rosewill, which comes with a 4-star rating out of 5. It has a wide range of sizes available with different types of styles. The styles include CAPSTONE, VALENS, HERCULES, and PHOTON. The CAPSTONE model of 750 Watt costs about $90 on Amazon. It also offers 80 PLUS Gold certification: which means that it supplies the most percentage of efficiency, especially under typical loads. It has a low fan noise called a silent operation fan; with Auto Fan Speed Control, the PSU’s 135mm fan turns slowly at low temperatures, minimizes fan noise to nearly zero, and leads to reduced power consumption.

Any increase in temperature means that the fan speed will also quicken up. This feature helps to avoid overheating in the system, increases the life span of the fan too. It has a MODULAR PSU: A semi-modular PSU design comes with only the essential cables pre-attached. This allows for some customization of additional cables, plus reduced clutter and better airflow compared to non-modular PSUs within your computer case or system. It comes with a total of a 5-year warranty.

  • Its funs do not make noises.
  • It comes with a five-year warranty.
  • 80 PLUS Gold certification
  • It has a semi-modular PSU design that does not have a lot of cables hence avoid clutter
  • It’s relatively expensive, compared to previously listed PSUs

10. Thermaltake Toughpower Grand RGB 850W

Thermaltake Toughpower Grand RGB 850W

It is another power supply by Thermaltake, the Tough Grand RGB which comes with a 4-star rating out of 5. It also offers a wide variety of styles and sizes, with sizes ranging up to 1500 Watts. The different types of styles include MOBO RGB SYNC GOLD, RGB Bronze, RGB Gold, and RGB Platinum. The 850 Watt RGB Gold costs $120. It comes with an outstanding ten-year warranty and excellent customer service.

  • It is in different styles and sizes
  • It comes in different sizes with a maximum of 1500watts
  • It comes with a ten-year warranty
  • Previously listed units provide better reliability and performance


There you have it.

You’ve just seen our top 10 best cheap power supplies for gaming of the year that are all highly-reviewed. With over 8,000 options available on the web today, if you’re not sure which one is right for you, go with one on our list.

That way, you’ll avoid the headache and stress of picking a cheap power supply that can’t get the job done.

If you’re looking for the #1 best cheap power supply of 2020, go with our #1-recommend: EVGA 500W1.

With its superior price and performance level, you won’t be disappointed.

Jeff Day
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