EVGA

EVGA 9B17-438-239 Supernova 850 G7 850W Power Supply

4.5 (205 reviews)
850W80 PLUS Gold

Power Your System with the EVGA Supernova 850 G7 The EVGA Supernova 850 G7 power supply delivers reliable and efficient power for your high-performance PC build. With an 80+ Gold certification and a fully modular design, this PSU ensures clean power delivery, reduced cable clutter, and optimal ai...

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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Power Your System with the EVGA Supernova 850 G7

The EVGA Supernova 850 G7 power supply delivers reliable and efficient power for your high-performance PC build. With an 80+ Gold certification and a fully modular design, this PSU ensures clean power delivery, reduced cable clutter, and optimal airflow. Backed by a 10-year warranty, it provides peace of mind and long-lasting performance.

Specifications:

  • Wattage: 850W
  • Certification: 80 PLUS Gold
  • Modularity: Fully Modular
  • Capacitors: 100% Japanese Capacitors
  • Topology: Half-bridge LLC Resonant Converter, DC-DC Design
  • Fan: Fluid Dynamic Bearing Fan, EVGA ECO Mode
  • Warranty: 10 Year Limited Warranty

Key Features

80 PLUS Gold certified, with 92% efficiency or higher under typical loads

100% Japanese Capacitors, Fully Modular to reduce clutter and improve airflow

Half-bridge LLC Resonant Converter and DC-DC design leads to extremely tight voltage regulation and very low ripple & noise

Fluid Dynamic Bearing Fan and EVGA ECO Mode for ultra-quiet operation and increased lifespan

10 Year Limited Warranty and unparalleled EVGA Customer Support

Specifications

Wattage
850W
Efficiency Certification
80 PLUS Gold
Efficiency Rate
92% or higher (typical loads)
Capacitor Type
100% Japanese
Design
Fully Modular
Converter Type
Half-bridge LLC Resonant Converter
Voltage Regulation
Extremely tight
Fan Type
Fluid Dynamic Bearing Fan
Operating Mode
EVGA ECO Mode
Warranty
10 Year Limited

Pros & Cons

👍 Pros

  • Achieves 80 PLUS Gold certification with 92% efficiency or higher, contributing to lower energy consumption under typical loads.
  • Features 100% Japanese Capacitors, indicative of high-quality components and potentially longer lifespan.
  • Equipped with a fully modular design, allowing for reduced cable clutter and improved airflow within a PC build.
  • Utilizes Half-bridge LLC Resonant Converter and DC-DC design, leading to extremely tight voltage regulation and minimal ripple and noise.
  • Incorporates a Fluid Dynamic Bearing Fan and EVGA ECO Mode, designed for ultra-quiet operation and increased fan lifespan.

👎 Cons

  • The specific physical dimensions of the power supply are not provided, which could be relevant for compact PC cases.
  • Information on the number and type of connectors available (e.g., PCIe, SATA) is not detailed, requiring users to check for compatibility.
  • The power supply's weight is not mentioned, which can be a factor for portability or overall system weight.
  • While featuring ECO Mode, the specific fan noise levels in different load scenarios are not quantified in decibels.
  • The product's aesthetic design or color is not described, which might be a consideration for builds with specific visual themes.

Frequently Asked Questions

The EVGA Supernova 850 G7 is 80 PLUS Gold certified, meaning it achieves 92% efficiency or higher under typical loads.
This power supply is built with 100% Japanese Capacitors, which contribute to its reliability and lifespan.
Yes, it features a fully modular design, which helps reduce clutter and improve airflow within a PC chassis.
It utilizes a Fluid Dynamic Bearing Fan and EVGA ECO Mode, which are designed for ultra-quiet operation and an increased fan lifespan.
The EVGA Supernova 850 G7 comes with a 10 Year Limited Warranty, along with EVGA Customer Support.