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EVGA SuperNOVA 850 G6 850W 80 Plus Gold Power Supply
EVGA

EVGA SuperNOVA 850 G6

Wattage:
850 W
80 PLUS Rating:
Gold
Modularity:
Fully Modular
ATX Standard:
ATX 2.x

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Manufacturer: EVGA Last updated: September 8, 2026

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EVGA SuperNOVA 850 G6 Review

The EVGA SuperNOVA 850 G6 continues a long-standing staple recommendation for mid-range and high-performance gaming builds, positioned specifically as the most affordable 850W Gold-rated fully modular option among current top picks without meaningfully compromising on the specs that matter. At around $129, it's specifically called out as the budget-conscious choice at this wattage and efficiency tier.

The EVGA SuperNOVA 850 G6 continues a long-standing staple recommendation for mid-range and high-performance gaming builds, positioned specifically as the most affordable 850W Gold-rated fully modular option among current top picks without meaningfully compromising on the specs that matter. At around $129, it's specifically called out as the budget-conscious choice at this wattage and efficiency tier.

Wattage and Efficiency

850W with 80+ Gold certification covers high-end gaming builds comfortably, matching the wattage tier current guides recommend for RTX 4070 Ti-class GPUs and below without overspending on headroom that class of build doesn't need.

Modularity and Cabling

Fully modular cabling at this price point is a genuine value proposition; many budget-focused 850W units settle for semi-modular designs, making full modularity here a real differentiator for cleaner cable management without stepping up to a pricier flagship unit.

Form Factor and Case Fit

This unit's compact, shorter-than-average form factor makes cable routing meaningfully easier in tighter cases and ITX-adjacent builds where PSU depth is at a premium, a genuinely useful practical advantage over standard-length ATX units in space-constrained builds.

Design and Build

EVGA's SuperNOVA line has a long track record as a go-to recommendation, though worth noting directly: EVGA's reduced presence in the broader PC component market in recent years means long-term warranty support carries somewhat more uncertainty than with continuously active brands like Corsair or Seasonic. This matters most for builders planning to keep a system for seven-plus years; for a more typical five-year upgrade cycle, it's largely a non-issue.

Comparison to Alternatives

Against the Corsair RM850x, covered elsewhere on this site, that unit carries Corsair's more consistent ongoing market presence and matching 10-year warranty confidence, generally the safer pick for the longest-term builds, while this EVGA model wins on price for otherwise similar core specs. Against the Seasonic Prime GX-850, also covered elsewhere on this site, that unit offers a considerably longer warranty term and OEM-grade build quality at a real price premium over this EVGA option.

Who This Power Supply Is Actually For

Budget-conscious high-end gaming builds pairing an RTX 4070 Ti or below. This is specifically the most affordable path to 850W Gold fully modular specs among current top recommendations.

ITX-adjacent or space-constrained builds needing a shorter PSU. The compact form factor is a genuine practical advantage here.

Not for builders planning to keep a system for seven-plus years without upgrades. The Corsair RM850x or Seasonic Prime GX-850, both covered elsewhere on this site, carry stronger long-term warranty confidence from more consistently active brands.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Budget-conscious high-end gaming builds pairing an RTX 4070 Ti or below. This is specifically the most affordable path to 850W Gold fully modular specs among current top recommendations.
  • ITX-adjacent or space-constrained builds needing a shorter PSU. The compact form factor is a genuine practical advantage here.

Not for

  • Not for builders planning to keep a system for seven-plus years without upgrades. The Corsair RM850x or Seasonic Prime GX-850, both covered elsewhere on this site, carry stronger long-term warranty confidence from more consistently active brands.

Specifications

What these specs mean

Identity

BrandEVGA
Model NumberSuperNOVA 850 G6

Output and rails

+12V Rail Amperage70.8 A
Single +12V RailYes

Standards and compliance

Alternative Low PowerYes
Hold-Up Time25.5 ms

Efficiency and noise

Measured Avg Efficiency88.44 %
Measured Average Noise26.99 dBA

Connector inventory

EPS 8-pin Connectors2
SATA Connectors9
Molex Connectors4

Form factor and fit

Length140 mm

Cooling

Fan BearingFluid Dynamic

Cables

ModularityFully Modular

Monitoring, protection and price

ProtectionsOCP, OVP, OPP, SCP, OTP, UVP
Warranty10 years
Wattage850 W
80 PLUS RatingGold
ATX StandardATX 2.x
Form FactorATX
Cybenetics EfficiencyGold
Cybenetics NoiseA-
12V-2x6 Connectors0
Zero-RPM ModeYes
Sleeved CablesNo
PCIe 8-pin Connectors6
Connector Count1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 9x SATA, 4x Molex, 1x floppy adapter, no native 12V-2x6
Fan Size135 mm
Fan Model / Bearing135mm fluid dynamic bearing (Hong Hua HA13525M12F-Z)
OEM / PlatformSeasonic
Japanese CapacitorsYes
Cable Lengths24-pin 610mm, EPS 700mm, PCIe 700mm+125mm, SATA 560mm+110mm+110mm, Molex 560mm+100mm+100mm+100mm

FAQs

What are the key specifications of the EVGA SuperNOVA 850 G6 (850W/80+ Gold/Fully Modular/Compact Form Factor/Budget Value Pick)?

Key specs for the EVGA SuperNOVA 850 G6: Wattage 850 W, Modularity Fully Modular, Fan Size 135 mm, Warranty 10 years, 80 PLUS Rating Gold, Cybenetics Efficiency Gold.

Will the EVGA SuperNOVA 850 G6 (850W/80+ Gold/Fully Modular/Compact Form Factor/Budget Value Pick) work with my current setup?

The EVGA SuperNOVA 850 G6 (850W/80+ Gold/Fully Modular/Compact Form Factor/Budget Value Pick) lists Wattage is 850 W. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the EVGA SuperNOVA 850 G6 (850W/80+ Gold/Fully Modular/Compact Form Factor/Budget Value Pick) best suited to?

Best suited to: Budget-conscious high-end gaming builds pairing an RTX 4070 Ti or below. This is specifically the most affordable path to 850W Gold fully modular specs among current top recommendations; ITX-adjacent or space-constrained builds needing a shorter PSU. The compact form factor is a genuine practical advantage here.

What are the drawbacks of the EVGA SuperNOVA 850 G6 (850W/80+ Gold/Fully Modular/Compact Form Factor/Budget Value Pick)?

Not the best fit for: Not for builders planning to keep a system for seven-plus years without upgrades. The Corsair RM850x or Seasonic Prime GX-850, both covered elsewhere on this site, carry stronger long-term warranty confidence from more consistently active brands.

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