EVGA
EVGA SuperNOVA 220-G3-1000-X1
Bottom line: The EVGA SuperNOVA 220-G3-1000-X1 ($449.99 on Amazon as of 2026-10-21 04:20 UTC): 1000W output with 80 Plus Gold rating: 90% efficient at 115VAC, 92% at 220-240VAC; main trade-off: 1000W is more than most single mid-range GPU builds need.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 1000W output with 80 Plus Gold rating: 90% efficient at 115VAC, 92% at 220-240VAC
- ✓ Fully modular: connect only the cables your build uses
- ✓ Compact 150mm length fits tighter cases than many 1000W units
- ✓ ECO mode stops the fan at low loads for silent idle
- ✓ 10-year warranty and Japanese capacitors
Cons
- ✗ 1000W is more than most single mid-range GPU builds need
- ✗ Gold efficiency, not Platinum or Titanium tier
- ✗ Fan still spins up under heavier loads despite ECO mode
- ✗ Rated operating temperature tops out at 50°C
Manufacturer description
The EVGA SuperNOVA 1000 G3 is a 1000W, 80 Plus Gold, fully modular power supply built for high-draw gaming and workstation PCs. It is rated for 90 percent efficiency at 115VAC and 92 percent at 220-240VAC under typical loads, so less power is lost as heat and your running costs go down. The unit is only 150mm long, which gives you more room for cable routing and drive cages in tighter cases. Because it is fully modular, you connect only the cables your build needs. Cooling comes from a 130mm Hydraulic Dynamic Bearing fan. ECO Thermal Control mode stops the fan completely at low loads, so the…
SpecPicks Verdict
SpecPicks scored EVGA SuperNOVA 220-G3-1000-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
How efficient is the EVGA SuperNOVA 1000 G3?
It is 80 Plus Gold certified and rated for 90 percent efficiency at 115VAC and 92 percent at 220-240VAC under typical loads.
Is the EVGA 1000 G3 fully modular?
Yes. Every cable is detachable, so you install only the cables your components need.
Is the EVGA SuperNOVA 1000 G3 quiet?
It uses a 130mm Hydraulic Dynamic Bearing fan. In ECO Thermal Control mode the fan does not spin at low loads, so the unit is silent at idle and under light use.
What warranty comes with the EVGA 1000 G3?
EVGA backs it with a 10-year warranty. Check EVGA's site or the product listing for current warranty terms and registration requirements.
What protections does the EVGA SuperNOVA 1000 G3 have?
It includes over-voltage (OVP), under-voltage (UVP), over-current (OCP), over-power (OPP) and short-circuit (SCP) protection. It is rated to operate from 0 to 50°C.
Key Features
- EVGA 1000 G3 "The Next Generation in Power"
- 80 PLUS Gold certified, with 90 percent (115VAC) / 92 percent (220VAC~240VAC) efficiency or higher under typical loads
- Fan size/ Bearing: 130mm Hydraulic Dynamic Bearing for ultra quiet performance. Operating Temperature 0° to 50° C
- Heavy duty protections, including OVP, UVP, OCP, OPP, and SCP
Full Specifications
| Brand | EVGA |
|---|---|
| Wattage | 1000 watts |
| Fan Size | 13 centimeters |
| Model Name | supernova |
| Unit Count | 1 Count |
| Form Factor | SFX |
| Model Number | 220-G3-1000-X1 |
| Built-In Media | AC Power, ATX Cable, EPS Cable, EVGA 1000G3 Power Supply, Floppy Adapter, Four-Pin Peripheral Cable, Installation Guide, PCIE Cable, Power Supply Tester, SATA Cable |
| Connector Type | 24-pin |
| Cooling Method | Air |
| Item Type Name | Power Supply |
| Number of Fans | 1 |
| Output Wattage | 1000 |
| Item Dimensions | 5.91 x 5.91 x 3.35 inches |
| Mfr Part Number | 220-G3-1000-X1 |
| Fan size/ Bearing | 130mm Hydraulic Dynamic Bearing for ultra quiet performance. Operating Temperature 0° to 50° C |
| Compatible Devices | Personal Computer |
| Power Supply Design | Full Modular |
| Warranty Description | 10 years |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Full listing title | EVGA SuperNOVA 220-G3-1000-X1,1000 G3, 80 Plus Gold 1000W, Fully Modular, Eco Mode with New HDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, Power Supply |
Ready to buy?
EVGA SuperNOVA 220-G3-1000-X1,1000 G3, 80 Plus Gold 1000W, Fully Modular, Eco Mode with New HDB Fan, 10 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, 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.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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