It can be tough to find a great reliable budget power supply. Therefore, we have compiled a list of the best reliable and efficient PC gaming power supplies under $50. Additionally, the power supplies listed below are all 80 plus certified. They are also constructed to perform great for almost any computer build that requires a 450W to 620W PSU.

The Heart of a PC Build

While the CPU is considered the brain of a PC, the power supply is the heart that provides power to all components of a PC. If you have a bad heart, then other organs of the body wouldn’t receive sufficient oxygen-rich blood. This can cause organs to not perform properly or even worst cause them to become damaged. This same principle applies to power supplies. A bad PSU will cause other components of a PC to not receive adequate power. This will lead to poor performance and even damage to those components. Therefore, one could even say that the power supply is the most important hardware of a PC.

Two most important factors when buying a power supply:

Reliability

A power supply must be reliable. Meaning it is constructed of high-quality parts for better durability and dependability. It should also feature the latest heavy-duty protections to ensure the safety of other PC components.

Efficiency

A power supply must have at the very least an 80 Plus White efficiency rating. An efficiency rating of 80 plus means that a power supply is at the very least 80% efficient at 20%, 50% and 100% under typical loads.

80 Plus Efficiency Rating:

 

  1. EVGA 500 B1 Power Supply

EVGA 500 B1, 80+ BRONZE 500W Power Supply, 3 Year Warranty, Includes FREE Power On Self Tester 100-B1-0500-KRThe EVGA 500 B1 is a 500W power supply that will provide more than enough energy to support any budget or mid-range PC build. It is 80 Plus White certified, meaning that it will provide 82 percent efficiency under typical loads.

Moreover, this power supply has a compact design allowing it to easily fit in most cases. Its fan is ultra-quiet, and it has all the connections needed for a PC build. The EVGA 500 B1 also has a multitude of heavy duty protections such as OVP (Over Voltage Protection), UVP (Under Voltage Protection) and many more. It offers great reliability, efficiency, and value for a low price. This PSU should be at the top of your list as it is one of, if not the best budget power supply.

EVGA 500 B1 Specifications:
Efficiency Certification Rating 80 Plus Bronze
Type ATX12V / EPS12V
+12V Rails Single
Maximum Power 500W
Dimensions 5.5 x 5.9 x 3.4 inches
Warranty 3 years
Modular No
Connectors 1 x 24-Pin ATX, 1 x 8-Pin (4+4) EPS (CPU), 2 x 8-Pin (6+2) PCI-E, 6 x SATA, 3 x FOUR-PIN PERIPHERAL, 1 x FLOPPY
Protections OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)
Pros:

Plus ButtonSingle 12V rail for maximum power and efficiency

Plus ButtonProvides 85% efficiency under typical loads

Plus ButtonReliable and efficient

Plus Button120mm sleeve bearing fan

Plus ButtonHeavy-duty protection that keeps components safe

Cons:

Minus ButtonNot modular

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  1. Cooler Master MWE 500

Cooler Master MWE 500 Bronze, 80+ Bronze Certified 500W Power Supply, 3 Year WarrantyThe Cooler Master MWE is a 500W power supply that is perfect for any budget to mid-range PC build. It has an 80 Plus Bronze efficiency rating, meaning it will provide at least 82% efficiency under typical loads.

Additionally, this power supply has numerous heavy-duty protections and features a 3-year warranty. It has all to connectors needed for a PC build, a quiet fan, and a great design. In short, the Cooler Master MWE 500 provides exceptional performance for a budget PSU.

Cooler Master MWE 500 Specifications:
Efficiency Certification Rating 80 Plus Bronze
Type Intel ATX 12V V2.31
+12V Rails single
Maximum Power 500W
Dimensions 5.90 x 5.50 x 3.39 inches
Warranty 3 years
Modular no
Connectors 1 x MB 20+4 Pin, 1 x CPU 12V 4+4 Pin, 4 x SATA, 3 x Peripheral 4 Pin, 1 x FDD Cable 4 Pin, and 2 x PCI-e 6+2 Pin
Protections OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)
Pros:

Plus ButtonSingle 12V rail for maximum power and efficiency

Plus ButtonProvides at least 85% efficiency under typical loads

Plus Button120mm sleeve bearing

Plus Button160,000 hours life expectancy

Plus ButtonHeavy-duty protection that keeps components safe

Cons:

Minus ButtonNot modular

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  1. Thermaltake Smart Power Supply

Thermaltake Smart 600W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0600NPCWUS-W

The Thermaltake Smart is a 600W power supply that can be used in most budget to some high-end PC builds. It has an 80+ White efficiency rating, meaning that it will run at 80% efficiency under typical load. Additionally, this power supply has all the important protections to ensure the safety of your PC components. It also features an embedded intelligent cooling fan and a quiet dynamic fan bearing. If you’re looking for a great 600W power supply under $50, look no further than the Thermaltake Smart power supply.

Thermaltake Smart Specifications:
Efficiency Certification Rating 80 Plus White
Type Intel ATX 12V 2.3
+12V Rails 1
Maximum Power 600W
Dimensions 3.39 x 5.91 x 5.51 inches
Warranty 3 years
Modular No
Connectors 1 x MB 20+4 Pin, 1 x CPU 12V 4+4 Pin, 4 x SATA, 3 x Peripheral 4 Pin, 1 x FDD Cable 4 Pin, and 2 x PCI-e 6+2 Pin
Protections (OPP) Over Power Protection, (OVP) Over Voltage Protection, and (SCP) Short Circuit Protection
Pros:

Plus ButtonEfficiency of up to 86%

Plus ButtonFluid dynamic fan bearing

Plus ButtonEmbedded intelligent cooling fan

Plus ButtonHeavy-duty protection that keeps components safe

Cons:

Minus ButtonNot modular

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  1. Corsair VS Series VS550 Power Supply

Corsair VS Series VS550 550 W Active PFC 80 PLUS White Certified Power Supply (CP-9020171-NA)The Corsair VS550 is a 550W power supply with a sophisticated design that provides great performance and efficiency. This power supply is very efficient and has an 80 Plus White Certification. It is compatible with the latest ATX12V v2.31/EPS 2.92 standards and is backward compatible with older systems.

Additionally, this power supply features a 120mm thermally controlled sleeve bearing fan. Which allows it to maintain a great 40 degrees Celsius temperature even when at max power output. The Corsair VS550 also has numerous protections to maintain the safety of critical system components. This makes it one of the best power supply you can buy for under $50.

Corsair VS550 Specifications:
Efficiency Certification Rating 80 Plus White
Type ATX12V v2.31 / EPS 2.92
+12V Rails Single
Maximum Power 550W
Dimensions 5.51 x 5.91 x 3.39 inches
Warranty 3 years
Modular No
Connectors 1 x ATX Connector, 1 x EPS Connector, 2 x Four Pin Peripheral Connector, 2 x PCIe Connector, 7 x SATA Connector, 1 x Floppy Connector
Protections OVP (Over Voltage Protection), UVP (Under Voltage Protection), OTP (Over Temperature Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)
Pros:

Plus ButtonSingle 12V rail for maximum power and efficiency

Plus ButtonProvides 80% efficiency under typical loads

Plus ButtonMax power output at only 40 Degrees Celsius temperature rating

Plus ButtonQuiet thermally controlled fan

Plus ButtonHeavy-duty protection that keeps components safe

Cons:

Minus ButtonNot modular

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