EVGA

EVGA SuperNOVA 120-GP-0850-X1

Name: EVGA SuperNOVA 120-GP-0850-X1, 850 G+, 80 Plus Gold 850W, Fully Modular, FDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Power Supply
Brand: EVGA
SKU: B0797D6G5R

Status: EVGA SuperNOVA 120-GP-0850-X1: Unavailable on Amazon as of 2026-10-05 04:31 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

🛒 Search eBay for this model

Bottom line: The EVGA SuperNOVA 120-GP-0850-X1: 80 Plus Gold: 90% efficient at 115VAC, 92% at 220-240VAC under typical loads; main trade-off: gold certified only, not Platinum or Titanium.

Unavailable on Amazon as of 2026-10-05 04:31 UTC

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: EVGA SuperNOVA 850 Ga — $265.34 on Amazon as of 2026-10-06 04:14 UTC (price may vary).

View Current Price — $265.34

Similar: Seasonic Focus GX-850 850W Power Supply ATX 3.1… — $169.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $169.99

Similar: Redragon RGMS-850W PRO 80+ Gold 850 Watt Power… — $65.99 on Amazon as of 2026-10-06 10:30 UTC (price may vary).

View Current Price — $65.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 80 Plus Gold: 90% efficient at 115VAC, 92% at 220-240VAC under typical loads
✓ Fully modular: connect only the cables your build uses
✓ 10-year warranty plus an included Power ON Self Tester
✓ 100% Japanese capacitors and a 135mm fluid dynamic bearing fan
✓ OVP, UVP, OCP, OPP, SCP and OTP protections

Cons

✗ Gold certified only, not Platinum or Titanium
✗ Listing gives no exact dimensions or per-cable connector counts
✗ Listing doesn't mention a native 12V-2x6 / 12VHPWR GPU connector
✗ No dBA noise figure published, only 'up to 20% quieter' than the G1

Manufacturer description

The EVGA SuperNOVA 850 G+ (model 120-GP-0850-X1) is an 850W, fully modular power supply for gaming PCs. It is 80 Plus Gold certified, rated at 90 percent efficiency or higher on 115VAC and 92 percent on 220-240VAC under typical loads. JonnyGURU put it this way: 'We were promised Gold but this one did Platinum.' The G+ updates EVGA's SuperNOVA G1 line, which launched in May 2014. EVGA says the new version uses 100 percent Japanese capacitors, is up to 20mm shorter, runs up to 20 percent quieter and has tighter 12V load regulation. A 135mm fluid dynamic bearing fan handles cooling. The unit…

SpecPicks Verdict

SpecPicks scored EVGA SuperNOVA 120-GP-0850-X1 using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. EVGA's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Is the EVGA SuperNOVA 850 G+ fully modular?

Yes. Every cable on the 850 G+ is modular, so you connect only the ones your build needs. See the product listing for the full cable and connector list.

How efficient is the EVGA 850 G+?

It is 80 Plus Gold certified. EVGA rates it at 90 percent efficiency or higher on 115VAC and 92 percent or higher on 220-240VAC under typical loads. JonnyGURU's review said it performed at Platinum level.

What warranty comes with the EVGA SuperNOVA 850 G+?

The listing says it has a 10-year warranty. It also ships with a Power ON Self Tester so you can check the unit before you install it. Check EVGA's site for current registration and coverage terms.

How is the 850 G+ different from the original SuperNOVA G1?

EVGA says the G+ is up to 20mm shorter, uses 100 percent Japanese capacitors, runs up to 20 percent quieter and has tighter 12V load regulation than the G1, which launched in May 2014.

Is 850W enough for my graphics card, and does it include a 12VHPWR cable?

Check your GPU maker's recommended PSU wattage for your full system. The listing doesn't mention a native 12V-2x6 or 12VHPWR connector, so confirm the included cables before you pair it with a card that needs one.

Key Features

EVGA 850 Gplus "The New Gold Standard for Performance and Value" JonnyGURU quoted “We were promised Gold but this one did Platinum
80 PLUS Gold certified, with 90 percent (115VAC)/92 percent (220VAC~240VAC) efficiency or higher under typical loads
Fan Size/Bearing: 135mm fluid Dynamic Bearing
Heavy duty protections, including OVP, UVP, OCP, OPP, SCP, and OTP
10 year

Full Specifications

Brand	EVGA
Weight	850 g
Wattage	850
Fan Size	13.5 centimeters
Model Name	supernova
Form Factor	ATX
Model Number	120-GP-0850-X1
Built-In Media	850w Power Supply, cables, manual
Connector Type	24-pin
Cooling Method	Air
Item Type Name	SuperNOVA 1000 G+, 80 Plus Gold 1000W, Fully Modular, FDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Power Supply
Number of Fans	1
Output Wattage	850 watts
Item Dimensions	7.1 x 5.9 x 3.35 inches
Mfr Part Number	120-GP-0850-X1
Fan Size/Bearing	135mm fluid Dynamic Bearing
Compatible Devices	Personal Computer
Power Supply Design	Full Modular
Warranty Description	10 year
Maximum Input Voltage	240 volts_of_alternating_current
Full listing title	EVGA SuperNOVA 120-GP-0850-X1, 850 G+, 80 Plus Gold 850W, Fully Modular, FDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Power Supply

Ready to buy?

EVGA SuperNOVA 120-GP-0850-X1, 850 G+, 80 Plus Gold 850W, Fully Modular, FDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Power Supply is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →