EVGA

EVGA 220-GA-0550-X1 SuperNOVA 550 Ga 80+ Gold PSU

4.7 (707 reviews)
80 plus Gold

Reliable Power for Your High-Performance PC The EVGA SuperNOVA 550 Ga Power Supply provides stable and efficient power for your gaming or workstation PC. Featuring 80 Plus Gold certification, fully modular design, and a durable double-ball bearing fan, this power supply is built for long-term re...

$55.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Reliable Power for Your High-Performance PC

The EVGA SuperNOVA 550 Ga Power Supply provides stable and efficient power for your gaming or workstation PC. Featuring 80 Plus Gold certification, fully modular design, and a durable double-ball bearing fan, this power supply is built for long-term reliability and performance.

  • Wattage: 550W
  • Certification: 80 Plus Gold
  • Modularity: Fully Modular
  • Fan: Dbb Fan with ECO Mode
  • Warranty: 10 Year Warranty
  • Size: Compact 150mm Size

Key Features

80 plus Gold certified, with 90% efficiency or higher under typical loads

Fully modular to reduce clutter and improve airflow

100% Japanese capacitors, LLC resonant circuit design +DC-DC converter design to improve 3.3V./ 5V. Stability

Double ball Bearing fan and EVGA eco mode for exceptional reliability and quiet operation

Specifications

80 Plus Certification
Gold
Efficiency
90% or higher under typical loads
Modularity
Fully Modular
Capacitors
100% Japanese capacitors
Circuit Design
LLC resonant circuit design + DC-DC converter
Fan Type
Double ball Bearing fan
Operating Modes
EVGA eco mode
Model Number
220-GA-0550-X1
Series
SuperNOVA 550 Ga

Pros & Cons

👍 Pros

  • Achieves 80 Plus Gold certification, indicating high energy efficiency of 90% or greater under typical loads.
  • Features a fully modular design, which helps in reducing cable clutter and improving airflow within a PC build.
  • Incorporates 100% Japanese capacitors, contributing to enhanced reliability and a longer operational lifespan.
  • Utilizes an LLC resonant circuit design and a DC-DC converter for improved stability of 3.3V and 5V outputs.
  • Equipped with a double ball bearing fan, which is known for its durability and quiet operation in conjunction with EVGA eco mode.

👎 Cons

  • The 550W output might be limiting for high-end gaming systems or workstations that require more significant power delivery.
  • While fully modular, the number and type of connectors might not be optimal for all custom PC builds.
  • The inclusion of EVGA eco mode means the fan may not spin under low loads, which could concern users accustomed to constant fan activity.
  • The unit's physical dimensions, though not specified, may be a consideration for compact PC cases.
  • This particular power supply model may not be the newest offering from EVGA, potentially lacking some cutting-edge features.

Frequently Asked Questions

The EVGA SuperNOVA 550 Ga is 80 Plus Gold certified, meaning it operates with 90% efficiency or higher under typical loads.
Yes, this power supply features a fully modular design, which assists in reducing cable clutter and improving airflow inside your PC case.
The EVGA SuperNOVA 550 Ga uses 100% Japanese capacitors, which contribute to the unit's overall stability and reliability.
Yes, it is equipped with a double ball bearing fan and includes EVGA eco mode for exceptional reliability and quiet operation.
The LLC resonant circuit design and DC-DC converter design are implemented to improve the stability of the 3.3V and 5V power outputs.