Best Cheap Power Supply (PSU) for Gaming 2020

Power Supply

Power supply unit also known as PSU, is the most under-rated accessory when it comes to assembling an electrical device like a computer. Yet it is the first component to affect the whole system, leading to failure. While assembling a new computer, people generally tend to look for a cheap PSU to save some money but a bad selection can lead to a lot of damage and wastage of money when considering the long term usage. For example, a poor PSU can cause excessive damage to the motherboard or the graphics card. In all there is no point taking a risk in this matter.

The whole system’s performance and reliability depends on a PSU, which is frequently overlooked. Like many others if you’re buying a PSU based on just the total wattage, then it can take a toll on you. If you are worrying about the budget then there are many sites which will help you buy the best budget power supply (PSU). Indeed, the huge amounts of misinformation and deception in the marketplace regarding PSU would be comical if it weren’t so damaging to consumers.

But finding the best budget PSU which is efficient and durable at the same time is not impossible if you equip yourself with the correct knowledge. This article will help highlight some of the key factors to look for when purchasing a PSU. After reading this guide, follow it and bring into notice your own application, and appropriately judge each factor to use the information accordingly.

Current Price
Evga 500 W1Three-year warranty, quiet cooling fan, 80 plus White certifiedPRICE AT AMAZON
Corsair CX SeriesCheap, comes in modular and non-modular type, three-year warrantyPRICE AT AMAZON
Evga 750 GQAffordable, seven-year warranty, 80 PLUS Gold certifiedPRICE AT AMAZON
Seasonic G SeriesFive-year warranty, 80 PLUS Gold efficiencyPRICE AT AMAZON
EVGA 600 B1Uses ionic and infrared drying technologies, powerful motorPRICE AT AMAZON
Rosewill Gaming80 Plus Bronze certification, 135mm fan, single +12V railPRICE AT AMAZON
Corsair Hxi SeriesTwo designs, Four different sizes, platinum certified efficiencyPRICE AT AMAZON
Thermaltake Smart 700WHigh-quality, inexpensive, 8-0 PLUS certified, +12V railPRICE AT AMAZON
Rosewill Computer ModularFive-year warranty, 80 PLUS Gold certification, Semi-modular PSU designPRICE AT AMAZON
Thermaltake Toughpower GrandDifferent styles and sizes, ten-year warrantyPRICE AT AMAZON

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 it is the total wattage of all voltage lines and usually under peak rather than sustained loads. With the huge demands made by components, the total output specifically needed for the +12V line has become very eminent for people who use graphic cards.

Actually, 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 the necessary 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 completely false.

Power consumption doesn’t depend on the PSU, rather on the system’s components and how much they consume. PSU wattage ratings actually determine the maximum power the unit can supply to the system, but it doesn’t determine 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 is what 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 at times people tend to buy high power supplied which cost so much so that the power savings does not match their lavish 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 PSU have good components which 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 varied options available 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 chosen properly 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 can cause issues like damage in the internal components. There is also a strong association between weight and quality of the PSU. Bigger and greater 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, not only sundry power supplies are available in the market but also come with varied power connectors. Some of these power connectors are; 20/24- pin power, 4-pin ATX12V, floppy SATA, 4-pin Molex etc. 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. A modular power supply offers power cables which can be connected as per your need. Ultimately the point is that they aid in reducing cable clutter, stopping airflow and make it hard to work within a computer.

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

Top 10 Best Budget Power Supply (PSU) 2020

1. Evga 500 W1, 80+ White 500W

Evga 500 W1, 80+ WHITE 500 W, 3 YEAR WARRANTY, POWER SUPPLY 100-W1-0500-KR, Black

This 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 extra registration then you can get an additional warranty of two more years. But this offer is valid for a limited amount of time. It’s operating temperature is from 0 degree to 40 degree 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 a substantial duty protections.
  • It is not modular, so you need to tie up the loose wires
  • It needs more SATA connectors for more wattage

2. Corsair CX Series 750 Watt

Corsair CX Series 750 Watt 80 Plus Bronze Certified Modular Power Supply (CP-9020061-NA)

This power supply 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; which are, modular and non-modular. The design delivers very high efficiency, availability, scalability and maximum amount of flexibility and performance. It is a 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 offers the maximum amount of compatibility with the latest components, plus Corsair offers 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 cables are too long

3. Evga 750 GQ, 80+ Gold 750W

Evga 750 GQ, 80+ Gold 750W, Semi Modular, ECO Mode, 5 Year Warranty, Power Supply 210-GQ-0750-V1

This PSU by EVGA has about 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 various 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 period of time. If you go for extra registration then you will get an additional 2 year 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.
  • The fan is too loud

4. Seasonic G Series 650 SSR-650RM

Seasonic G Series 650 SSR-650RM 650W 80+ Gold ATX12V & EPS12V Semi-Modular SLI Ready CrossFire Ready 105 °C Japanese Capacitor 5 Year Warranty Power Supply

This power supply by Seasonic 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 10% discount.

It comes with a 105 Celsius JAPANESE CAPACITATOR, which is 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 needs of the system. 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 a best buy and can fit into your category of a 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
  • Cables are not long enough for full-size towers

5. EVGA 600 B1, 80+ Bronze 600W

EVGA 600 B1, 80+ BRONZE 600W, 3 Year Warranty, Includes FREE Power On Self Tester, Power Supply 100-B1-0600-K

This other product by EVGA 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 of 600 Watt (and a B1 model) is about $64 but Amazon offers it at $53.

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 level under typical loads. Fan size is 120mm with a sleeve bearing. It has heavy duty protections which comprise of OVP, OPP, UVP, SCP and OCP. It comes with a 3 year warranty for a limited time plus 2 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
  • It’s considered heavy by most users

6. Rosewill Gaming Power Supply/PSU

Rosewill Gaming Power Supply

80 which delivers up to 90% efficient performance under typical loads. This high form of efficiency saves energy, reduces heat in your system, decreases fan noise and prolongs the life span of the PSU. You can maximize your PLUS Bronze Certified PSU with Silent and Blue LED 135mm Fan and Auto Fan Speed Control, Semi-modular Design, RBR-1000MS.

This PSU by Rosewill 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 normal loading condition.

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

It also features different speeds according to varied temperatures. That is why it qualifies as a silent operation. Additionally it has a professional power supply to support 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
  • Its cables are stiff

7. Corsair Hxi Series

Corsair Hxi Series, HX1000i, 1000 Watt, Fully Modular Digital Power Supply, 80+ Platinum Certified

This PSU is again a model offered by Corsair, 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 low loads and outstanding noise reduction. Offers a 10 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.
  • Not advisable for multi-card setups that use a lot of power.

8. Thermaltake Smart 700W 80+ White Certified PSU

Thermaltake Smart 700W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3

This power supply by Thermaltake 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 actually 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. Comes with a 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 cooling fan makes noises

9. Rosewill Computer Modular Power Supply

Rosewill Computer Modular Power Supply, Modular 80 PLUS Gold 650W PSU for PC

This is a 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, minimises fan noise to nearly zero and leads to reduction in the power consumption.

Any increase in the temperature means that the fan speed will also quicken up. This feature helps to avoid overheating in the system, increases 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 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
  • Is relatively expensive

10. Thermaltake Toughpower Grand RGB 850W

Thermaltake Toughpower Grand RGB 850W

It is another power supply by Thermaltake which comes with a 4 star rating out of 5. It also offers 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 10 year warranty and an 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
  • They use two cords with a 3 SATA connectors instead of 3 co


Amongst all the listed power supplies, you will surely be able to find the best budget power supply with the help of information we have provided. Choose the one which suits you the best as per your needs.


Jeff Day
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