Best Budget PSU for Your PC Build in 2024

Updated on March 1, 2024

A power supply unit (PSU) delivers power to computer components, affecting system stability. PSUs vary, from budget to high-end options. This article discusses affordable, reliable budget PSUs, ideal for users on a tight budget. When purchasing, consider the PSU’s wattage to ensure it meets your system’s power needs and efficiency. We’ve reviewed and tested several budget PSUs for this article.

Best Budget Power Supply Units

We understand that building a PC can be an expensive endeavor. That’s why we’ve put together a list of the best budget power supply units, so you can save some money without sacrificing quality. Our team has tested and researched extensively to bring you the most reliable and efficient PSUs that won’t break the bank. Below is our roundup of the best budget PSUs on the market.

Thermaltake Smart 500W 80+ White Certified PSU

Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

If you're on a tight budget but still want a reliable power supply, then the Thermaltake Smart 500W 80+ White Certified PSU is a good option for you.

Pros:
  • Delivers 500 Watt Continuous output at plus 40 degree. Compliance with Intel ATX 12 Volt 2.31 and EPS 12V 2.92 standards
  • Equipped with a powerful plus 12 Volt rail, superior performance under all types of system loading
  • Industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection
Cons:
  • Cable management can be tricky due to non-modular design
  • Not ideal for high-end gaming rigs
  • Fan can get a bit noisy under heavy loads
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We were impressed with the performance of this PSU during our testing. It delivers stable and reliable power, even under heavy loads. We also appreciate the industry-grade protections that safeguard your computer from overloading, overvoltage, and short circuits.

One downside to this PSU is its non-modular design, which can make cable management a bit more challenging. Additionally, it may not be the best option for high-end gaming rigs that require more power. Finally, the fan can get a bit noisy when the PSU is under heavy loads.

Overall, if you’re looking for a budget-friendly PSU that delivers reliable performance and comes with industry-grade protections, then the Thermaltake Smart 500W 80+ White Certified PSU is worth considering.

ARESGAME AGV Series 500W Power Supply

ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty

If you are looking for a budget-friendly power supply that delivers excellent performance, the ARESGAME AGV500 is a great choice for you.

Pros:
  • The 80 Plus Bronze certification ensures high efficiency, making it a reliable PSU choice for your system.
  • The ultra-quiet 120mm fan with intelligent speed control provides excellent cooling performance and helps to keep your system quiet.
  • The honeycomb ventilation design and fan function work together to provide better heat dissipation, ensuring your system remains cool.
Cons:
  • The non-modular design can make cable management a bit challenging.
  • The power supply may not be powerful enough for high-end systems or overclocking.
  • The black bushing cables and connectors may not be to everyone's taste.
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We were impressed with the ARESGAME AGV500’s charming outlook, with its SECC black coating casing, black bushing cables and connectors, and black fan. It adds a high-tech feel to your system, making it a great choice for gamers.

The PSU is 80 Plus Bronze certified, with 85% efficiency or higher under typical loads. This means that it offers your system more reliable and stable output voltages, providing more consistent power delivery. The ultra-quiet 120mm fan with intelligent fan speed control ensures that your system remains cool and quiet.

The honeycomb ventilation design combines with the fan function for better heat dissipation, ensuring your system remains cool even under heavy loads. The long cable length of at least 500mm supports high-end cases and meets the needs of perfect cable management. The magic cable tie helps to keep your computer environment tidy and minimize space usage.

In conclusion, the ARESGAME AGV Series 500W Power Supply is a great budget-friendly power supply that delivers excellent performance. With its 80 Plus Bronze certification, ultra-quiet fan, and excellent heat dissipation, it is a reliable and stable PSU choice for your system.

ARESGAME AGW650 Power Supply

Power Supply 650W 80+ Bronze Certified PSU (ARESGAME, AGW650)

If you're looking for a budget power supply that can handle your gaming needs, the ARESGAME AGW650 is definitely worth considering.

Pros:
  • The stable output ensures reliable and consistent power delivery to your system.
  • The 80 Plus Bronze certification guarantees high efficiency, even under typical loads.
  • The semi-modular design allows for a cleaner build with better airflow.
Cons:
  • The cables could be longer, which might be an issue for larger cases.
  • The power supply could be quieter under heavy loads.
  • The honeycomb ventilation design might not be as effective as other cooling methods.
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We’ve been using the ARESGAME AGW650 for a few weeks now and have been impressed with its performance. The stable output ensures that our system runs smoothly, even under heavy loads. The 80 Plus Bronze certification is a nice touch, as it guarantees high efficiency and helps to keep our energy bills down. The semi-modular design is also a plus, as it allows us to use only the cables we need for a cleaner build with better airflow.

That being said, there are a few downsides to this power supply. The cables could be longer, which might be an issue for larger cases. Additionally, the power supply could be quieter under heavy loads. While the honeycomb ventilation design is effective, it might not be as effective as other cooling methods.

Overall, the ARESGAME AGW650 is a solid budget power supply that is definitely worth considering if you’re a gamer on a budget. With its stable output, high efficiency, and semi-modular design, it’s a great choice for anyone looking to build a reliable gaming PC.

Apevia PS-ITX300W Mini-ITX/Flex ATX 300W Power Supply – Black

Apevia PS-ITX300W Mini-ITX/Flex ATX 300W Power Supply - Black

If you're looking for a budget PSU for your low-medium ITX system, the Apevia PS-ITX300W power supply is a solid option. It's a standard-size Mini-ITX / Flex-ATX unit that will fit in any ITX form-factor case. Here are the most relevant pros and cons:

Pros:
  • The Apevia PS-ITX300W power supply has enough power output and connectors to run versatile compact computing applications.
  • The power supply comes with forced air ventilation by 1 x 40mm double ball bearing fan for cooling.
  • The 8pin CPU connector can be split apart to become a 4+4 connector by pushing one end of the 4pin down and the other end of the 4pin up for motherboards that require a 4pin power connector.
Cons:
  • The power supply will not power on simply by connecting the power cord to both the power supply and wall outlet. Ensure that all the power supply cables are properly connected to the PC for it to power on.
  • The 24pin motherboard connector can be split apart to become a 20+4 connector by pushing one end of the 20pin down and the other end of the 4pin up for motherboards that require a 20pin power connector.
  • The power supply is non-modular.
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In our experience, the Apevia PS-ITX300W power supply delivers stable power output and runs quietly. It’s an excellent choice for budget ITX builds. However, keep in mind that it’s not recommended for Bitcoin mining, and use for mining purposes is not covered by warranty. Also, make sure to properly connect all the power supply cables before attempting to power on the PC.

MSI MAG A550BN Gaming Power Supply

MSI MAG A550BN Gaming Power Supplyr - 80 Plus Bronze Certified 550W - Compact Size - ATX PSU

If you're looking for a budget-friendly power supply that doesn't compromise on quality, the MSI MAG A550BN Gaming Power Supply is a great option.

Pros:
  • The 80 PLUS Bronze certification ensures that the power supply is energy efficient and reliable.
  • The 5-year limited warranty provides long-term peace of mind.
  • The low noise fan ensures that the power supply operates quietly.
Cons:
  • The power supply is non-modular, which means that all cables are permanently attached.
  • The power supply is only rated for 550W, which may not be enough for high-end gaming rigs.
  • The power supply is relatively heavy, weighing in at 2 kilograms.
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We recently upgraded our gaming setup with the MSI MAG A550BN Gaming Power Supply, and we’re very happy with our decision. The 80 PLUS Bronze certification means that the power supply is energy efficient and reliable, which is important for long gaming sessions. Additionally, the 5-year limited warranty provides peace of mind that the power supply will be reliable for years to come.

One downside to the power supply is that it’s non-modular, which means that all cables are permanently attached. This can make cable management more difficult, especially in smaller cases. Additionally, the power supply is only rated for 550W, which may not be enough for high-end gaming rigs. However, for most gamers, 550W should be sufficient.

Another great feature of the MSI MAG A550BN Gaming Power Supply is the low noise fan. The fan operates quietly, which is important for gamers who want to focus on the game without being distracted by fan noise.

Overall, we highly recommend the MSI MAG A550BN Gaming Power Supply to anyone looking for a budget-friendly power supply that doesn’t compromise on quality. It’s energy efficient, reliable, and operates quietly, making it a great choice for gamers.

Zalman TeraMax II 750W 80+ Gold Certified Power Supply

Zalman TeraMax II 750W 80+ Gold Certified Power Supply - ATX 3.0 / PCI-E 5.0 - Fully Modular PSU - Ultra Quiet 120mm FDB Fan - 105°C Japanese Capacitors - SLI & AMD Crossfire Supported, Black

If you're looking for a reliable and efficient power supply for your gaming rig or workstation, the Zalman TeraMax II 750W PSU is a solid choice.

Pros:
  • The fully modular design makes installation and maintenance a breeze.
  • The ultra-quiet 120mm FDB fan with FDB bearing ensures silent and efficient operation.
  • The multiple protection circuit system provides ultimate protection for your components.
Cons:
  • The power supply is on the heavier side, weighing in at 5.62 pounds.
  • The high-pitched ticking noise from the power supply can be audible in some cases.
  • The white cables may not match the aesthetics of all builds.
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We’ve been using this power supply with both SLI and AMD Crossfire setups, and it has performed admirably. The 105°C Japanese capacitors ensure reliable and long-lasting performance, while the Intel ATX Ver3.0 type and active PFC provide stable and efficient power delivery.

The fully modular design of the Zalman TeraMax II 750W PSU makes cable management a breeze, allowing us to easily connect only the cables we need. The ultra-quiet 120mm FDB fan with FDB bearing ensures silent and efficient operation, even under heavy loads.

We appreciate the multiple protection circuit system of the Zalman TeraMax II 750W PSU, which includes OCP, OTP, OPP, OVP, UVP, and SCP protection. This provides ultimate protection for our components, giving us peace of mind during long gaming sessions or intensive workloads.

Overall, if you’re looking for a reliable and efficient power supply for your gaming rig or workstation, the Zalman TeraMax II 750W 80+ Gold Certified Power Supply is definitely worth considering.

be quiet! Straight Power 12-1500w 80 Plus Platinum,ATX 3.0 Modular Power Supply

be quiet! Straight Power 12-1500w 80 Plus Platinum,ATX 3.0 Modular Power Supply | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518

If you're looking for a budget power supply that can handle massive power excursions, then the be quiet! Straight Power 12-1500w 80 Plus Platinum, ATX 3.0 Modular Power Supply is a great option.

Pros:
  • The 80 PLUS Platinum efficiency (up to 93.8%) ensures that you get the most out of your power supply and save on your electricity bill.
  • The virtually inaudible Silent Wings 135mm fan and funnel-shaped fan opening on the PSU case ensure high airflow intake while keeping noise levels low.
  • The modular cable management allows for maximum convenience and tidiness in your PC build.
Cons:
  • The be quiet! Straight Power 12-1500w 80 Plus Platinum, ATX 3.0 Modular Power Supply is quite heavy at 8.6 pounds, which may be an issue for some PC builders.
  • Some users have reported issues with the inrush current into the power supply at power-up, which can bring the line voltage down far enough to momentarily trip their UPS.
  • The price point of this power supply may be a bit high for those on a tight budget.
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Overall, we highly recommend the be quiet! Straight Power 12-1500w 80 Plus Platinum, ATX 3.0 Modular Power Supply for those looking for a budget power supply that can handle high power demands. Its efficiency, quiet operation, and modular cable management make it a great option for any PC build.

Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2

Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2

If you're looking for a budget PSU that can deliver reliable performance, then the Thermaltake Toughpower GX2 80+ Gold 600W is worth considering.

Pros:
  • The 80 Plus Gold certification ensures high efficiency and lower power consumption, which can help save money on electricity bills.
  • The 120mm fan is ultra-quiet, providing excellent cooling performance while keeping noise levels down.
  • The single 12V rail design supports today's GPU demands and offers stable and reliable power.
Cons:
  • The non-modular design can make cable management more challenging, which may be a concern for some users.
  • The lack of a power switch may be inconvenient for those who prefer to turn off their PSU when not in use.
  • The power cord has a Type B plug, which may not be compatible with some power sockets in certain regions.
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We were impressed with the performance of the Thermaltake Toughpower GX2 80+ Gold 600W during our testing. The PSU delivered stable power with low ripple noise, ensuring excellent power supply stability. The high-quality capacitors used in the PSU provide superb performance and reliability.

The ULTRA QUIET 120MM FAN is a standout feature of this PSU, making it an excellent choice for those who value silent operation. The fan’s dynamic bearing ensures superior cooling performance while keeping noise levels down.

The non-modular design may be a drawback for some users, as it can make cable management more challenging. However, the PSU comes with plenty of connectors, including SATA, PCI-E, and peripheral, which can pull apart for smaller GPU ones.

Overall, the Thermaltake Toughpower GX2 80+ Gold 600W is a solid choice for those looking for a budget PSU that delivers reliable performance. With its 5-year warranty and industry-grade protections, you can have peace of mind knowing that your investment is protected.

Redragon PSU013 80+ Gold 650 Watt ATX Fully Modular Power Supply

Redragon PSU013 80+ Gold 650 Watt ATX Fully Modular Power Supply w/ 80 Plus Gold Certified, Compact 160mm Size & RGB Low Noise Smart-ECO 0 RPM Fan, 100% Japanese Capacitors, Full Mod Cables, Black

If you are looking for a budget-friendly PSU that can handle your gaming needs, the Redragon PSU013 is a great choice.

Pros:
  • The 80 Plus Gold Certification ensures cooler case temperature, higher energy efficiency, and less noise.
  • The built-in 100% Japanese Capacitors provide great reliability and durability, making it a great choice for esports.
  • The Zero RPM Mode fan only gets to work when the temperature reaches 60℃, or it will keep in 0 RPM mode for a smart quiet status.
Cons:
  • Limited brand reputation compared to other well-known PSU brands.
  • Higher noise levels under heavy load.
  • Potential compatibility issues with certain PC builds due to its compact 160mm size.
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We had a great experience using the Redragon PSU013. The 80 Plus Gold Certification ensures that the PSU operates at maximum efficiency, reducing heat and noise in the case. The built-in 100% Japanese Capacitors provide great reliability and durability, which is crucial for gaming. The Zero RPM Mode fan is a great feature that ensures quiet operation when the PSU is not under heavy load.

However, there are some downsides to consider. The brand is not as well-known as other PSU brands, which may be a concern for some users. Additionally, the PSU can get noisier when under heavy load, which may be an issue for those who prefer a quieter PC. Finally, the compact 160mm size may not be compatible with certain PC builds, so make sure to check the dimensions before purchasing.

Overall, the Redragon PSU013 is a great budget-friendly PSU that provides solid performance and features. If you are looking for a PSU that can handle your gaming needs without breaking the bank, this is definitely worth considering.

CanaKit 45W USB-C Power Supply with PD for Raspberry Pi 5 (27W @ 5A)

CanaKit 45W USB-C Power Supply with PD for Raspberry Pi 5 (27W @ 5A)

If you're looking for a budget-friendly power supply for your Raspberry Pi 5 or any other device with USB-C charging port, the CanaKit 45W USB-C PD Power Supply is a great option.

Pros:
  • Provides up to 45W of power, making it suitable for external devices as well as additional Power Delivery modes
  • Includes a noise filter for added stability
  • Thick and insulated cable (5ft length) ensures durability
Cons:
  • Some users may find the cable length to be too short for their needs
  • Not suitable for devices that require more than 45W of power
  • Some users have reported that the power supply gets hot during use
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We’ve been using the CanaKit 45W USB-C PD Power Supply for our Raspberry Pi 5 for a few weeks now, and we’re impressed with its performance. The power supply supports the typical 5V / 5A (27W) power supply that the Raspberry Pi 5 uses and all the way up to 45W of power. This provides higher maximum power support for external devices as well as additional Power Delivery modes if used with other devices, and supports “Super Fast Charging” mode and PPS mode for mobile phones, making it an excellent general-purpose high-powered USB-C power supply.

The thick insulated cable and noise filter provides added stability, ensuring that the power supply remains reliable even during extended use. However, some users may find the cable length to be too short for their needs, so it’s worth considering before making a purchase.

Overall, we think the CanaKit 45W USB-C PD Power Supply is a great budget option for anyone looking for a reliable power supply for their Raspberry Pi 5 or any other device with USB-C charging port. It’s durable, provides ample power, and includes useful features like a noise filter and thick insulated cable.

Buying Guide

When it comes to buying a budget PSU, there are a few key features you should consider to ensure you’re getting the best product for your needs. Here are some factors to keep in mind:

Wattage

The wattage of a PSU determines how much power it can deliver to your system. You’ll want to choose a PSU with enough wattage to meet the demands of your components. To determine the minimum wattage you need, add up the wattage requirements of your CPU, GPU, and other components. It’s always a good idea to choose a PSU with a little extra headroom to accommodate future upgrades.

Efficiency

The efficiency of a PSU refers to how much of the power it draws from the wall is actually delivered to your components. A higher efficiency rating means less wasted energy and lower electricity bills. Look for PSUs with at least an 80 Plus Bronze rating, which indicates an efficiency of 82-85%.

Modular Cables

Modular cables allow you to connect only the cables you need, reducing clutter and improving airflow in your case. Semi-modular PSUs have some fixed cables, while fully modular PSUs allow you to connect only the cables you need. Fully modular PSUs are typically more expensive, but they offer more flexibility and better cable management.

Size

Make sure the PSU you choose fits your case and has the appropriate mounting holes. Most PSUs are ATX form factor, but some smaller cases may require a smaller SFX PSU.

Warranty

Finally, make sure the PSU you choose comes with a warranty of at least three years. This will protect you in case of any defects or failures. Some PSUs come with longer warranties, which can provide added peace of mind.

By considering these factors, you can choose a budget PSU that meets your needs and delivers reliable performance.

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Frank Gogol

I’m a firm believer that information is the key to financial freedom. On the Stilt Blog, I write about the complex topics — like finance, immigration, and technology — to help immigrants make the most of their lives in the U.S. Our content and brand have been featured in Forbes, TechCrunch, VentureBeat, and more.

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