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EVGA Supernova 1300 G+, 80+ Gold 1300W, Fully Modular, 10 Year Warranty, Includes Free Power On Self Tester, Power Supply 220-GP-1300-X1
EVGA

EVGA Supernova 1300 G+

Bottom line: The EVGA Supernova 1300 G+: 1300W capacity leaves headroom for multi-GPU and high-draw AI or gaming rigs; main trade-off: 1300W is far more than most single-GPU builds will ever draw.

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By , Founder & Editor-in-Chief · Listing data updated

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.

Pros & Cons

Pros

  • ✓ 1300W capacity leaves headroom for multi-GPU and high-draw AI or gaming rigs
  • ✓ 80 PLUS Gold certified: 90% or higher efficiency under typical loads
  • ✓ Fully modular cabling, so you install only the leads your build needs
  • ✓ 100% Japanese capacitors plus DC-DC design for steadier 3.3V/5V rails
  • ✓ 10 year warranty, with a Power On Self Tester included in the box

Cons

  • ✗ 1300W is far more than most single-GPU builds will ever draw
  • ✗ Gold certified, not Platinum or Titanium, at a premium wattage tier
  • ✗ Listing does not mention a native 12VHPWR / 12V-2x6 GPU cable
  • ✗ Physical dimensions not listed; confirm your case's PSU bay clearance

Manufacturer description

The EVGA Supernova 1300 G+ is a 1300W, 80 PLUS Gold certified power supply for desktops that draw a lot of power. That includes multi-GPU workstations, local AI rigs and flagship gaming builds that need headroom. Gold certification means 90% efficiency or higher under typical loads, so less of the power drawn from the wall ends up as heat inside your case. Every cable on this PSU is detachable. Because the design is fully modular, you install only the leads your build needs. That means less clutter and clearer airflow around your GPU and drives. Inside, EVGA uses 100% Japanese capacitors and…

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SpecPicks Verdict

SpecPicks scored EVGA Supernova 1300 G+ 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

How efficient is the EVGA Supernova 1300 G+?

It is 80 PLUS Gold certified, which EVGA states means 90% efficiency or higher under typical loads.

Is the Supernova 1300 G+ fully modular?

Yes. Every cable is detachable, so you connect only the leads your build needs. This cuts clutter and improves airflow.

How long is the warranty on the 220-GP-1300-X1?

EVGA covers this power supply with a 10 year warranty. Check EVGA's warranty policy for registration requirements and current terms.

What is the Power On Self Tester included with this PSU?

It is a tester EVGA includes in the box. You use it to confirm the power supply turns on before you install it and connect it to your components.

Is the EVGA Supernova 1300 G+ quiet?

It uses a Fluid Dynamic Bearing fan and EVGA ECO Mode, both designed for very quiet operation and a longer fan life. It is rated to operate from 0 to 50 degrees C.

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, plusDC-DC Converter design to improve 3.3V. / 5V. Stability
  • Fluid Dynamic Bearing Fan and EVGA ECO Mode for ultra-quiet operation and increased lifespan
  • Operating Temperature : 0° to 50° C

Full Specifications

Size1300W
BrandEVGA
Model220-GP-1300-X1
Warranty10 year limited
UnitCount1
ReleaseDate2020-07-31T00:00:01Z
ManufacturerEVGA
ItemPartNumber220-GP-1300-X1
Full listing titleEVGA Supernova 1300 G+, 80+ Gold 1300W, Fully Modular, 10 Year Warranty, Includes Free Power On Self Tester, Power Supply 220-GP-1300-X1

Hardware benchmark data

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EVGA Supernova 1300 G+, 80+ Gold 1300W, Fully Modular, 10 Year Warranty, Includes Free Power On Self Tester, Power Supply 220-GP-1300-X1 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.

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EVGA Supernova 1300 G+, 80+ Gold 1300W, Fully Modular, 10 Year Warranty, Includes Free Power On Self Tester, Power Supply 220-GP-1300-X1
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