6 Best Psu 550W For 2024


Are you in search of the ideal power supply unit (PSU) for your computer system in 2023? Look no further, as we have gathered a list of the 6 Best PSU 550W for 2023 to assist you in making an informed decision. Choosing the right PSU is crucial for ensuring the reliable and efficient performance of your computer, whether for gaming, professional work, or general usage. Our expertly curated selection takes into account factors such as power efficiency, reliability, and affordability, ensuring that you have the best options to suit your specific needs. Read on to discover the top contenders in the PSU market for 2023.

Overall Score: 8/10

The ARESGAME Power Supply 550W is a non-modular ATX gaming PC power supply, featuring an 80 PLUS Bronze certification with 85% efficiency or higher under typical loads. It comes with a 120mm ultra-quiet fan that provides excellent cooling performance. The power supply also offers heavy-duty protection including OVP/UVP/OPP/SCP, ensuring the safety of your components. With a 5-year warranty, this power supply offers great value for its price.

Key Features

  • 550w ATX gaming pc power supply, non-modular
  • 80 PLUS Bronze certified, with 85% efficiency or higher under typical loads
  • 120mm ultra quiet fan with excellent cooling performance
  • Heavy-duty protection including OVP/UVP/OPP/SCP
  • 5 Years Warranty


  • Dimension: 5.90Lx5.50Wx3.30H


  • Great value for the price
  • Excellent cooling performance
  • Heavy-duty protection for components
  • 5-year warranty


  • Non-modular design
  • Limited availability

The ARESGAME Power Supply 550W offers a solid performance and reliable power delivery for gaming PC builds. With its 80 PLUS Bronze certification and excellent cooling performance, it provides great value for its price. The heavy-duty protection ensures the safety of your components, and the 5-year warranty provides peace of mind. However, the non-modular design may pose some challenges for cable management. Overall, if you’re looking for a budget-friendly power supply that doesn’t compromise on quality, the ARESGAME Power Supply 550W is a solid choice.

Overall Score: 9/10

The EVGA 550 BP is an 80+ Bronze certified power supply with 550W of power. It features a single 12V rail with a DC-DC converter for improved stability. It also has active power factor correction and heavy-duty protections for added safety. With a compact 120mm size, it is perfect for small cases or builds. The power supply comes with a 3-year limited warranty, ensuring reliability. Customers have praised its performance, build quality, and value for money. It is recommended for low to mid-end builds and is especially good for gaming PCs on a budget. Overall, the EVGA 550 BP offers great performance and features at an affordable price.

Key Features

  • 80 PLUS Bronze certified
  • Single 12V rail with DC-DC Converter
  • Active Power Factor Correction
  • Heavy-duty protections
  • 3 Year Limited Warranty


  • Dimension: 4.70Lx5.90Wx3.40H


  • High efficiency
  • Compact size
  • Good value for money
  • Reliable performance
  • Comes with 3-year warranty


  • VGA pigtail cable is tight
  • Lack of sufficient protection in shipping

The EVGA 550 BP is a solid power supply that offers great performance and features at an affordable price. It is highly efficient and comes with a 3-year warranty, providing peace of mind. Its compact size makes it perfect for small cases or builds. Customers have praised its reliability and value for money. The only potential drawbacks are the tight VGA pigtail cable and the lack of sufficient protection during shipping. Overall, the EVGA 550 BP is a reliable and budget-friendly option for those looking for a power supply for their low to mid-end builds.

Overall Score: 8.5/10

The SAMA 550W Power Supply is a reliable and efficient PC PSU that comes with a range of impressive features. With its 80+ Gold certification, it delivers up to 92% efficiency, resulting in lower operating costs compared to less efficient power supplies. The power supply is equipped with 100% industrial-grade, 105°C rated Japanese capacitors, ensuring unwavering power and reliability. It also supports Modern Standby sleep mode, offering extremely fast wake-from-sleep times and better low-load efficiency. The FDB Fan provides ultra-quiet operation and increased lifespan. With a full voltage power supply of 100 – 240V and a sleek black design, this power supply is a great choice for PC enthusiasts.

Key Features

  • 80+ Gold certified for up to 92% efficiency
  • 105°C rated Japanese capacitors for unwavering power
  • Modern Standby sleep mode for fast wake-from-sleep times
  • FDB Fan for ultra-quiet operation
  • Full voltage power supply (100-240V)


  • Color: Black
  • Type: ATX 80+ Gold
  • Wattage: 550W


  • High efficiency reduces operating costs
  • Reliable power with industrial-grade capacitors
  • Fast wake-from-sleep times with Modern Standby mode
  • Quiet operation for a better user experience
  • Wide voltage range for compatibility


    The SAMA 550W Power Supply is an excellent choice for PC users who prioritize efficiency, reliability, and quiet operation. With its high 80+ Gold certification, it ensures reduced operating costs and increased energy efficiency. The use of industrial-grade capacitors and support for Modern Standby sleep mode further enhance its reliability and performance. The FDB Fan provides a quiet and comfortable user experience, while the wide voltage range ensures compatibility with various power sources. Overall, this power supply offers great value for the price and is a reliable option for powering your PC setup.

    Overall Score: 8.5/10

    The Ptcliss 550W GD550S ATX Gaming PC Power Supply is a non-modular power supply that offers excellent performance for gaming PCs. With its 550-watt capacity and 80 PLUS Bronze certification, it provides 85% efficiency or higher under typical loads. The power supply features a 120mm ultra-quiet fan for optimal cooling performance. It has a variety of connectors, including 24-pin, ATX 12V 4+4-pin, PCI-E 6+2-pin, Molex, and SATA 4-pin. Additionally, it offers heavy-duty protection features such as OVP, UVP, OPP, SCP, and Over Current Protection. The power supply comes in a sleek black color and has dimensions of 5.50Lx5.90Wx3.35H.

    Key Features

    • 550watt non-modular ATX gaming pc power supply
    • 80 PLUS Bronze certification with 85% efficiency
    • 120mm ultra-quiet fan for excellent cooling
    • Multiple connectors for various devices
    • Heavy-duty protection features


    • Color: Black
    • Dimension: 5.50Lx5.90Wx3.35H


    • High efficiency for power savings
    • Quiet fan for noise reduction
    • Good variety of connectors
    • Strong protection features


    • Non-modular design may lead to cable clutter

    The Ptcliss 550W GD550S ATX Gaming PC Power Supply is a reliable choice for gamers seeking an efficient and powerful power supply. With its 80 PLUS Bronze certification and high efficiency, it provides excellent power delivery while saving energy. The ultra-quiet fan ensures optimal cooling performance without adding unnecessary noise to your system. The variety of connectors ensures compatibility with various devices, while the heavy-duty protection features protect your PC from potential damage. The non-modular design may lead to cable clutter, but overall, this power supply offers great value for its price.

    Overall Score: 8.5/10

    Upgrade your computer's power supply with the EVGA 100-N1-0550-L1 550 N1. With its 550W capacity, this power supply provides reliable and efficient power delivery for your system. It features a quiet and intelligent auto fan for near-silent operation, ensuring a peaceful computing experience. The heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP, safeguard your components from power-related issues. Additionally, EVGA offers a 2-year warranty and 24/7 technical support, providing peace of mind and assistance whenever needed. This power supply is an excellent choice for budget-conscious users who value reliability and performance.

    Key Features

    • EVGA 550W N1 Series
    • Fan size / Bearing: 120 millimeter sleeve bearing – quiet and intelligent auto fan for near-silent operation
    • Heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP
    • 2 Year & EVGA's 24/7 technical support


    • Dimension: 5.51Lx5.91Wx3.35H
    • Size: 550W


    • Quiet and intelligent auto fan for near-silent operation
    • Comes with heavy-duty protections
    • Includes 2-year warranty and 24/7 technical support


    • CPU power cable could be a little longer

    The EVGA 100-N1-0550-L1 550 N1 power supply is a reliable and efficient choice for upgrading your computer’s power supply. With its quiet and intelligent auto fan, heavy-duty protections, and 2-year warranty, it offers peace of mind and reliable performance. The only drawback is the slightly short CPU power cable. Overall, this power supply provides excellent value for its price and is recommended for budget builds.

    Overall Score: 8/10

    The Flex ATX Power Supply is a 550W fully modular PSU suitable for POS AIO system desktop gaming servers and small form factor computers. With its white design, it matches perfectly with white chassis. The fully modular design reduces clutter and improves airflow, allowing you to connect only the necessary cables for your system. This power supply supports the standard flex ATX form factor and features a low-noise fan for efficient heat dissipation. It also offers multiple protections and has undergone a 100% high temperature aging test for reliable performance. With its compact size and wide voltage range, it is an ideal choice for systems with unstable voltage.

    Key Features

    • 550W power capacity
    • Fully modular design for easy cable management
    • Supports standard flex ATX form factor
    • Low-noise 40mm fan for heat dissipation
    • Multiple protections for safety
    • Wide voltage range (90-264V) for use in unstable environments


    • Color: White
    • Size: 165*82*40mm


    • Fully modular design improves cable management
    • Compact size fits in small form factor cases
    • Wide voltage range for versatility in different environments
    • Low-noise fan ensures quiet operation


    • May not provide sufficient power for high-end gaming systems
    • Limited color options available

    The Flex ATX Power Supply is a reliable and efficient choice for small form factor systems. Its fully modular design and compact size make it easy to install and manage cables, while the wide voltage range ensures compatibility in various environments. The low-noise fan keeps the system cool without creating excessive noise. However, users with high-end gaming systems may require a power supply with a higher wattage. Overall, the Flex ATX Power Supply offers great value and performance for its price.

    Buyer's Guide: PSU 550W

    When it comes to purchasing a power supply unit (PSU) for your computer, a 550W PSU is a popular choice among many tech enthusiasts and gamers. To help you make an informed decision, we have compiled a comprehensive buyer's guide that covers all the essential factors you should consider. Here's everything you need to know before making your purchase:

    1. Determine Your Power Requirements

    • Consider the power consumption of your components: Start by assessing the power requirements of your computer components, including the processor, graphics card, and peripherals. Ensure that the total power draw of your system is within the limits of a 550W PSU.
    • Futureproofing: If you plan to upgrade your components or add more power-hungry hardware in the future, it may be wise to opt for a higher-wattage PSU to accommodate those needs.

    2. Efficiency and Certification

    • Look for 80 PLUS Certification: The 80 PLUS certification system rates PSUs based on their energy efficiency. Higher certifications (Bronze, Silver, Gold, Platinum, and Titanium) indicate better efficiency, which can lead to lower electricity bills and reduced heat output.
    • Consider your usage: If your computer is running for extended periods or is often under heavy load, investing in a higher efficiency PSU can be beneficial in the long run.

    3. Modular or Non-Modular PSUs

    • Modular PSUs: These offer detachable cables, allowing for a clean and organized PC build. They are ideal if you value a clutter-free interior, easy cable management, and improved airflow.
    • Non-Modular PSUs: These come with fixed cables, which can sometimes lead to a crowded system and difficult cable management. However, they are generally more affordable than modular PSUs.

    4. Connectors and Cable Length

    • Compatibility with your hardware: Ensure that the PSU you choose has all the necessary connectors to power your components. Verify if it supports the appropriate motherboard, CPU, and graphics card power connectors.
    • Check cable length: Measure your case and consider the cable length offered by the PSU to ensure that cables can reach all your components comfortably.

    5. Brand and Reliability

    • Trusted brands: Prioritize PSUs from reputable manufacturers known for their reliable and high-quality products. Brands like Corsair, EVGA, Seasonic, and Thermaltake have established themselves as trusted names in the industry.
    • Warranty and customer support: Look for PSUs that come with extended warranties and reliable customer support to provide peace of mind in case of any issues or defects.

    6. Cooling and Noise

    • Cooling capabilities: A PSU with a high-quality fan or even a fanless design can help keep your system operating at optimal temperatures. Look for PSUs with efficient cooling mechanisms, such as larger fans or hybrid fan modes that reduce noise at low loads.
    • Noise level: Consider the noise level mentioned in the PSU specifications. Quieter PSUs are preferable, especially if you value a peaceful working or gaming environment.

    7. Reviews and Recommendations

    • Online reviews: Before finalizing your purchase, read reviews from other users and experts to get an idea of the PSU's performance, reliability, and user experiences.
    • Seek recommendations: Reach out to forums or communities that specialize in PC building and ask for advice or recommendations based on your specific requirements.

    8. Price and Budget

    • Consider your budget: Set a reasonable budget for your PSU and try to find the best value for your money within that range. Remember that the cheapest option may not always be the most reliable or efficient.
    • Sales and promotions: Keep an eye out for discounts or promotions that may be available, especially during holiday seasons and sales events.

    Frequently Asked Questions about 6 Best Psu 550W For 2023

    Can I use a 550W PSU for gaming?

    Yes, a 550W PSU can power a gaming PC with moderate hardware requirements. Make sure to consider the power draw of your components before purchasing.

    Are all 550W PSUs the same?

    No, 550W PSUs can vary in terms of efficiency, build quality, and features. Consider factors like certification, brand reputation, and customer reviews to make an informed choice.

    Can I use a 550W PSU for overclocking?

    If you plan to overclock your components significantly, it’s generally recommended to opt for a higher-wattage PSU to ensure stable power delivery under peak loads.

    What happens if my PSU wattage is too low?

    If your PSU wattage is insufficient for your system’s power requirements, it may result in unstable power delivery, crashes, or even damage to your components.

    Is cable management important for a 550W PSU?

    While cable management is not directly related to the PSU wattage, it is advisable to prioritize proper cable management to enhance airflow, aesthetics, and ease of maintenance.