EVGA Supernova 123-GM-0550

( Brand: Evga ), ( Manufacturer Part Number: 123GM0550 ), ( Type: Power Module )

Review EVGA Supernova 550 Model

The EVGA 550 W1, SuperNOVA 550 G5 (123-G5-0550) is a high-performance 80 Gold certified power supply unit (PSU) from EVGA's SuperNOVA series. This PSU is designed to deliver reliable and efficient power to your PC components.

The unit comes with a capacity of 550 watts, which is more than sufficient for most mid-range and high-end gaming systems. It utilizes a single 12V rail design, allowing for optimal power delivery to your graphics card and CPU. The 12V rail can deliver up to 44.1A, ensuring that power-hungry components are well-fed.

The SuperNOVA 550 G5 is 80 Gold certified, meaning it converts at least 90% of the input power into output power under normal loads and at least 87% under full load. This results in less wasted energy and better overall system efficiency.

The PSU features a fully modular design, which allows you to connect only the cables you need to your components. This simplifies cable management and reduces clutter inside your case. The unit also comes with a single 12V 4-pin EPS12V connector, which is ideal for CPUs that require additional power.

The SuperNOVA 550 G5 is built with high-quality components, including Japanese capacitors, which offer improved reliability and longevity. It also comes with a 10-year warranty, giving you peace of mind and protection against manufacturer defects.

The PSU has a quiet 130mm fluid dynamic bearing fan, which ensures efficient cooling and minimal noise. The fan speed is automatically adjusted based on the temperature of the components, ensuring that it stays quiet under normal loads.

In summary, the EVGA 550 W1, SuperNOVA 550 G5 (123-G5-0550) is a high-performance, reliable, and efficient power supply unit that is ideal for mid-range and high-end gaming systems. With its 80 Gold certification, fully modular design, quiet operation, and high-quality components, this PSU is a great choice for PC builders and upgraders.

The EVGA 550 W1, SuperNOVA 550 G5 (123-GM-0550) is a highly-regarded power supply unit (PSU) from EVGA's SuperNOVA series. Here are some pros and cons that might help you decide if this PSU is the right choice for your PC build.

1. High Efficiency: The PSU offers 80 Gold certification, ensuring it converts at least 90% of the input power into output power under typical loads. This translates to fewer wasted resources and lower operating temperatures.

2. Quiet Operation: EVGA's Fluid Dynamic Bearing fan is designed to run quietly and efficiently, making this PSU a good choice for those looking for a quieter system.

3. Modular Design: The PSU offers a modular design, allowing users to only connect the cables they need, leading to a cleaner build and improved airflow.

4. Good Build Quality: The PSU features a fully modular design, 100% Japanese capacitors, and a robust single 12V rail design, ensuring reliable and stable power delivery.

5. 5-Year Warranty: The PSU comes with a 5-year warranty, providing peace of mind and protection against manufacturing defects.

1. Size: At 150mm in depth, the PSU might not fit in some smaller cases, especially those with a depth limitation.

2. Price: The PSU is priced slightly higher than some competitors with similar specifications, making it a more expensive option.

3. Limited Overclocking Potential: While the PSU is capable of delivering stable power, it might not be the best choice for those looking to push their components to the limit through extensive overclocking.

In conclusion, the EVGA 550 W1, SuperNOVA 550 G5 (123-GM-0550) is a solid choice for a power supply for a mid-range or high-end PC build. Its high efficiency, quiet operation, modular design, and good build quality make it a reliable and stable power source. However, its size and higher price point might be a concern for some users.

If you're looking for a power supply that offers excellent performance, good build quality, and quiet operation, the EVGA 550 W1, SuperNOVA 550 G5 (123-GM-0550) is a great option to consider. However, if you're working with a smaller budget or case, or if you require a larger wattage, you might want to explore other options.

Details:

It provides a stable 550W output, making it suitable for powering variety of computer components and peripherals. Built to the latest standards, this power supply ensures compatibility with modern systems and offers a range of features enhance overall efficiency stability your setup. With a focus on performance and reliability, this model is part of Vegas popular Supernova series. But in great condition The EVGA Supernova 550 model 123-GM-0550 is a high-quality power supply designed for computer systems.

Missing power cord.

part #: 123gm0550 prices

• $79.99-$91.00

specifications powsuppy:

• brand: Evga
• mpn: 123gm0550
• type: Power Module

offer powsuppy:

• availability: In Stock
• started: November 5, 2025
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0

payments powsuppy:

• other
• credit card: Discover
• wallet: Apple-pay

seller powsuppy:

• city: Altoona, Florida
• rating: 100.0%
• # reviews: 4

returns powsuppy:

• policy: No Returns

shipping powsuppy:

• transit: 5-12 Days
• type: Calculated
• service: USPS Ground Advantage
• cost: $17.05
• class: Standard
• carrier: USPS

general powsuppy:

• condition: Used
• Computers/Tablet's Networking > Computer Components Parts > Power Supplies

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