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EVGA SuperNOVA 850 GM 123-GM-0850-X1 850W Fully Modular, ECO Mode with FDB Fan, Includes Power ON Self Tester, SFX Form Factor Power Supply

In stock.
Ships from United States.
Fees for brokerage and duty included in price. Most customers receive within 4-31 days.
  • 450W
  • 550W
  • 650W
  • 750W
  • 850W
  • SFX Form Factor (Also supports ATX Form Factor with included bracket)
  • 100% Japanese Capacitors ensure long-term reliability
  • Supports ECO Mode + FDB Fan
  • Fully Modular Design
  • ATX12V / EPS12V
  • 80 PLUS GOLD Certified
EVGA Power Supply
EVGA Power Supply

Introducing the EVGA SuperNOVA GM line. The 850W GM is a new power supply that’s engineered to bring the power, prestige, and performance of EVGA's award-winning power supplies into an SFX-Standard form factor. Featuring 80 PLUS Gold certified efficiency, fully-modular cables, and 100% Japanese capacitors, the 850 GM casts a long shadow over its competition. Pint-sized, affordable, and packed with everything you need, the EVGA SuperNOVA GM power supplies make short work of tight spaces.

EVGA Power Supply

Use only the cables you need, reducing cable clutter and improving air flow.

The GM power supplies will fit all SFX-Standard form factor cases. With the included ATX adapter, these power supplies also support ATX case form factors.

Get the most reliability and greatest performance with the use of the highest possible quality Japanese capacitors.

A high-quality fluid dynamic bearing fan gives the GM Series excellent reliability and thermal performance. EVGA Auto ECO mode ensures the power supply stays completely silent during low to medium loads. The fan does not spin until necessary, allowing for completely silent operation!

EVGA Power Supply

Gold Rated Efficiency
80 Plus certification ensures your power supply isn’t wasting power and turning it into excess heat. Under typical load, this power supply is 90% efficient or higher.

Tight Voltage Regulation (<2%)
A single +12V rail offers the best power output, rail stability and compatibility with the latest hardware. EVGA SuperNova GM power supplies provide up to 70.8A on a single rail!

This PSU will cover your circuits with complete protection: OCP, OVP, OTP, OPP, SCP, and UVP.

Voltage step-down for rock-solid power, stability, and minimal signal noise (for 3.3V and 5V).

The GM power supplies were designed to power systems built in the smallest of PC cases, but are equally capable of powering systems built in a standard ATX form factor.

EVGA Power Supply

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Return Policies