6 Best Alternatives to the EVGA Supernova 1000 P2 80+ (2026)
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The EVGA Supernova 1000 P2 80+ Platinum power supply delivers 1000 watts with 80 PLUS Platinum efficiency and a fully modular design. If you are searching for evga supernova 1000 p2 80 alternatives, you likely need different specifications or form factors. This unit measures 6 by 3.3 by 7.8 inches and uses a 140mm fan. It relies on Japanese capacitors for reliability and includes a ten-year warranty. These specs make it a strong foundation for high-demand systems.
You might want a different size, such as the compact SFX option from ASRock, or a newer ATX 3.1 standard. Some builders prefer the higher Titanium efficiency of the EVGA SuperNOVA 1000W Titanium model. Others may need the PCIe 5.1 connectivity found in the ASRock Steel Legend. This list includes seven products chosen because their specs overlap with the original. Each alternative shares key traits like 1000W output, full modularity, and long warranties. You can compare these options to find the best fit for your specific build requirements.
Our top pick: EVGA Supernova 1000 P2 Platinum Power Supply.
How alternatives compare to EVGA
ASUS ROG Strix 1000W Platinum ATX 3.1 Power Supply
The ASUS ROG Strix 1000W Platinum matches the EVGA Supernova 1000 P2 with 80 PLUS Platinum efficiency and a 10-year warranty. It differs by using ATX 3.1 architecture and GaN components for modern high-demand systems. While the EVGA measures 6 by 3.3 by 7.8 inches, this ASUS unit is slightly shorter at 6.3 inches long but narrower at 5.9 inches wide. It is fully modular like the EVGA, but its compact depth may suit tighter cases better. Choose this if you need ATX 3.1 support for new GPUs while keeping Platinum efficiency.
ASUS ROG Strix 1000W Platinum White
This white variant of the ASUS ROG Strix shares the same ATX 3.1 Platinum specs and 10-year warranty as the black version. It compares to the EVGA Supernova 1000 P2 by offering identical 1000W output and fully modular cabling. The physical dimensions differ slightly, measuring 5.9 inches wide and 3.4 inches high, with a length of 5.9 inches. It weighs 3.9 pounds, which is lighter than the EVGA. This option is best for builders who want a white aesthetic without sacrificing the Platinum efficiency rating or modern connectivity standards found in the original EVGA model.
ASRock Phantom Gaming 1000W SFX Platinum PSU
The ASRock Phantom Gaming 1000W SFX Platinum offers 1000W in a much smaller SFX form factor, unlike the standard ATX size of the EVGA Supernova. It maintains 80 PLUS Platinum efficiency and includes a 10-year warranty. Its dimensions are 4.92 by 2.5 by 3.94 inches, making it ideal for small-form-factor builds where the larger EVGA unit would not fit. It supports ATX 3.1 and PCIe 5.1 with a 12V-2x6 connector. Select this alternative if you prioritize compact size over the standard dimensions of the EVGA power supply.
ASRock Steel Legend 1000W Platinum ATX 3.1 PSU
The ASRock Steel Legend 1000W Platinum matches the EVGA Supernova 1000 P2 in wattage and 80 PLUS Platinum efficiency. It features ATX 3.1 and PCIe 5.1 support, along with a 10-year warranty. The unit measures 5.91 by 3.39 by 5.91 inches, which is slightly narrower and shorter than the EVGA. It uses Japanese capacitors for reliability and provides fully modular cabling. This PSU is a strong alternative for users who want modern PCIe 5.1 connectivity and a compact footprint while retaining the high efficiency and warranty coverage of the original EVGA product.
EVGA SuperNOVA 1000W Titanium PSU
The EVGA SuperNOVA 1000W Titanium offers higher 80 PLUS Titanium efficiency than the Platinum-rated Supernova 1000 P2. Both are 1000W, fully modular, and backed by a 10-year warranty. The Titanium model measures 5.91 by 3.35 by 7.09 inches and weighs 10.2 pounds, which is heavier than the Platinum version. It uses a 140mm fan for cooling. Choose this if you need maximum energy efficiency and do not mind the extra weight. It provides the same brand reliability but with a higher certification tier for power savings.
EVGA SuperNOVA G3 1000W Gold PSU
The EVGA SuperNOVA G3 1000W Gold is a lower-efficiency alternative to the Platinum Supernova 1000 P2. It still delivers 1000W with fully modular cabling and a 10-year warranty. Its dimensions are 5.91 by 3.35 by 5.91 inches, making it more compact than the original. It weighs 6.1 pounds. This model is suitable if you do not strictly require Platinum efficiency and prefer a smaller form factor. It offers the same brand warranty and reliability, but with Gold certification, which may be sufficient for many high-wattage builds.
Quick picks
Our 7 picks
EVGA Supernova 1000 P2 Platinum Power Supply
Best for: high-demand systems needing 1000W Platinum power
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7.8 × 6 × 3.3 inches
View on Amazon: EVGA Supernova 1000 P2 Platinum Power Supply
The EVGA Supernova 1000W Platinum PSU is a fully modular power supply designed for high-demand desktop builds. It delivers 1000 watts of output with 80 PLUS Platinum efficiency and utilizes 100% Japanese capacitors. An integrated ECO mode pairs with a 140mm double ball bearing fan to manage cooling. This unit suits you if you need steady high-wattage power, modular cable management, and multi-GPU support for complex setups.
Pros
- 80 PLUS Platinum efficiency rating
- 1000W output with fully modular cabling
- 100% Japanese capacitors
- 140mm double ball bearing fan with ECO mode
- 10-year warranty
Cons
- Chassis length of 7.8 inches requires extra case clearance
- Total weight of 4.41 pounds adds heft to your build
Good fit if
- You need 1000W of power with 80 PLUS Platinum efficiency.
- You want fully modular cables to reduce case clutter.
- You plan to run multi-card SLI or Crossfire setups.
Skip if
- You have a compact case that cannot fit a 7.8-inch long power supply.
- You require a smaller wattage unit for a standard single-GPU system.
Verdict: EVGA Supernova 1000W Platinum PSU delivers 1000 watts of high-efficiency power backed by all-Japanese capacitors and a 10-year warranty. It provides a stable, fully modular foundation for demanding multi-GPU configurations.
ASUS ROG Strix 1000W Platinum ATX 3.1 Power Supply
Best for: high-end builds needing ATX 3.1 Platinum power
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- Warranty
- 10-Year
- Dimensions
- 6.3 × 5.9 × 3.4 inches
View on Amazon: ASUS ROG Strix 1000W Platinum ATX 3.1 Power Supply
This is a fully modular 1000W ATX power supply with an 80 Plus Platinum efficiency rating and ATX 3.1 compliance. It uses GaN MOSFETs and dual ball fan bearings inside a 6.3-inch-long housing. You get dedicated GPU-first voltage sensing and a 10-year warranty. It fits your build if you want high-efficiency wattage, modernized ATX 3.1 hardware support, and semi-passive 0dB fan operation for quiet running during low-load tasks.
Pros
- ATX 3.1 specification compliance
- 80 Plus Platinum efficiency rating
- GaN MOSFET design for cooler operation
- 0dB mode for silent operation under light loads
- 10-year manufacturer warranty
Cons
- At 6.3 inches long, it requires more enclosure depth than compact ATX units
- Full ATX dimensions prevent installation in small form factor SFX cases
Good fit if
- You want an ATX 3.1 unit with 80 Plus Platinum efficiency.
- You need 1000W of fully modular power backed by a 10-year warranty.
- You prefer a power supply with a 0dB fan mode for quiet light-load operation.
Skip if
- You need a compact SFX power supply for a small form factor build.
- You have a PC chassis with tight clearance under 6.3 inches of power supply depth.
Verdict: ASUS ROG Strix 1000W Platinum ATX 3.1 Power Supply pairs high Platinum efficiency and ATX 3.1 architecture with GaN internal components. It delivers reliable, quiet 1000W output for modern high-demand systems.
ASUS ROG Strix 1000W Platinum White
Best for: White ATX 3.1 builds with high-end GPUs
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- Warranty
- 10-Year
- Dimensions
- 5.9 × 5.9 × 3.4 inches
This is a fully modular ATX 3.1 power supply with 1000W capacity and 80 PLUS Platinum efficiency. It uses GaN MOSFETs for better efficiency and a GPU-first voltage stabilizer to support your graphics card. The white color and large heatsinks help with cooling and aesthetics. It includes a 10-year warranty and dual ball fan bearings for durability. You get a reliable unit for high-end builds.
Pros
- 80 PLUS Platinum efficiency rating
- ATX 3.1 standard support
- 10-year warranty coverage
- GaN MOSFET technology for efficiency
- GPU-first voltage sensing
Cons
- White color limits dark build compatibility
- Heavier at 3.9 pounds
- No mention of app control or software
Good fit if
- You want a white-themed PC build
- You need ATX 3.1 compatibility
- You prefer a 10-year warranty
Skip if
- You need a black PSU
- You want software monitoring
- You prefer a lighter unit
Verdict: ASUS ROG Strix 1000W Platinum White is a solid choice for builders who need ATX 3.1 support and want a white aesthetic. It offers strong efficiency and a long warranty for high-end graphics cards.
ASRock Phantom Gaming 1000W SFX Platinum PSU
Best for: compact small-form-factor builds needing 1000W
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 92mm
View on Amazon: ASRock Phantom Gaming 1000W SFX Platinum PSU
If you want 1000W of power for a small-form-factor build, this unit delivers standard-matching output in a compact SFX footprint. It features 80 Plus Platinum efficiency, native ATX 3.1 and PCIe 5.1 support via a 12V-2x6 connector, and fully modular cabling. A 92mm fluid dynamic bearing fan handles cooling. It suits you if you need high wattage and modern GPU connections inside a compact case.
Pros
- Compact SFX form factor delivering full 1000W output
- 80 Plus Platinum efficiency rating
- Native ATX 3.1 and PCIe 5.1 support with 12V-2x6 connector
- Fully modular cable design with Japanese capacitors
- 10-year warranty coverage
Cons
- Smaller 92mm fan compared to standard ATX power supplies
- Compact SFX dimensions may require an adapter for standard ATX mounts
Good fit if
- You are building a compact small-form-factor PC that requires 1000W of power.
- You need native ATX 3.1 and PCIe 5.1 support with a 12V-2x6 connection.
- You want 80 Plus Platinum efficiency paired with fully modular cables.
Skip if
- You have a full-size ATX case and prefer a power supply with a larger 135mm or 140mm fan.
- You do not require compact SFX dimensions or a native 12V-2x6 connector.
Verdict: ASRock Phantom Gaming 1000W SFX Platinum PSU delivers high-wattage power and modern ATX 3.1 standards in a compact SFX chassis. It provides 80 Plus Platinum efficiency and modular cabling specifically scaled for small-form-factor systems.
ASRock Steel Legend 1000W Platinum ATX 3.1 PSU
Best for: modern ATX 3.1 graphics card upgrades
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Platinum, Cybenetics Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135mm
View on Amazon: ASRock Steel Legend 1000W Platinum ATX 3.1 PSU
The ASRock Steel Legend 1000W is a fully modular ATX power supply rated for 80 Plus Platinum efficiency. It provides modern ATX 3.1 and PCIe 5.1 compliance with a dedicated 12V-2x6 connector for current-generation graphics cards. You also get all-Japanese capacitors and a 135mm fluid dynamic bearing fan. It suits your build if you need high-wattage output with up-to-date hardware safety standards.
Pros
- 80 Plus Platinum and Cybenetics Platinum efficiency ratings
- ATX 3.1 and PCIe 5.1 compliant with native 12V-2x6 connector
- 100% Japanese capacitors with a 10-year warranty
- Quiet 135mm fluid dynamic bearing fan with intelligent control
Cons
- Standard ATX casing is not suited for compact SFX-only cases
- No digital software monitoring interface included
Good fit if
- You need native ATX 3.1 and 12V-2x6 power delivery for modern graphics cards.
- You want Platinum-rated efficiency backed by Japanese capacitors and a 10-year warranty.
- You run extensive 5V ARGB lighting components that benefit from dedicated voltage stabilization.
Skip if
- You need a small form factor SFX power supply for a compact build.
- You require more than 1000W of total system power delivery.
Verdict: ASRock Steel Legend 1000W Platinum ATX 3.1 PSU delivers modern PCIe 5.1 connectivity and Platinum efficiency for high-draw systems. It gives you dependable Japanese capacitors and quiet cooling in a fully modular package.
EVGA SuperNOVA 1000W Titanium PSU
Best for: Maximum energy efficiency in 1000W builds
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Titanium
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7.09 × 5.91 × 3.35 inches
The EVGA SuperNOVA 1000W Titanium Power Supply delivers 1000W of power with an 80 PLUS Titanium efficiency rating, reaching 94% under typical 115VAC loads. It features a fully modular cable system, a 140mm double ball bearing fan with EVGA ECO Mode, and full hardware protections including OVP, UVP, and OTP. This unit suits you if you want peak electrical efficiency, modular cable routing, and a ten-year warranty.
Pros
- 80 PLUS Titanium certified with up to 94% efficiency under typical 115VAC load
- Fully modular design for clean cable routing
- 140mm double ball bearing fan with ECO Mode
- Comprehensive protection suite including OVP, UVP, OCP, OPP, SCP, and OTP
- 10-year warranty coverage
Cons
- 7.09-inch length requires a chassis with ample depth
- Heavy chassis weight at 10.2 pounds
Good fit if
- You want 80 PLUS Titanium efficiency for minimal power loss under load.
- You need fully modular cables to simplify your case interior.
- You prefer a 140mm double ball bearing fan with an ECO Mode setting.
Skip if
- You have a compact PC case that cannot accommodate a 7.09-inch long power supply.
- You do not require 80 PLUS Titanium efficiency levels.
Verdict: EVGA SuperNOVA 1000W Titanium Power Supply offers top-tier 80 PLUS Titanium efficiency with fully modular cabling and a 140mm fan. It provides dependable 1000W power delivery backed by a 10-year warranty for high-demand systems.
EVGA SuperNOVA G3 1000W Gold PSU
Best for: compact high-wattage builds needing modular cabling
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 130mm
- Warranty
- 10 Year
- Dimensions
- 5.91 × 5.91 × 3.35 inches
This power supply provides 1000 watts of continuous power with 80 Plus Gold efficiency. You get a fully modular cable layout, an Eco Mode toggle, and a 130mm hydraulic dynamic bearing fan inside a 5.91-inch long chassis. It fits standard ATX systems where you need high wattage and clean cable management, backed by a 10-year warranty and essential hardware protections.
Pros
- 80 Plus Gold certified efficiency
- Fully modular cable design
- 130mm hydraulic dynamic bearing fan with Eco Mode
- Compact 5.91-inch chassis length
- 10-year warranty
Cons
- Lower efficiency rating than 80 Plus Platinum units
- Over-temperature protection is not listed in the specifications
Good fit if
- You need 1000 watts of power with fully modular cables.
- You prefer a 130mm cooling fan with a zero-RPM Eco Mode.
- You need a high-wattage supply that fits a 5.91-inch depth clearance.
Skip if
- You require 80 Plus Platinum or Titanium efficiency levels.
- You require factory-specified over-temperature protection.
Verdict: EVGA SuperNOVA 1000 G3 1000W Power Supply delivers high output and fully modular cabling in a compact footprint. It serves as a dependable Gold-rated alternative if you do not strictly require Platinum efficiency.
Specifications side by side
| Spec | EVGA Supernova 1000 P2 Platinum Power Supply | ASUS ROG Strix 1000W Platinum ATX 3.1 Power Supply | ASUS ROG Strix 1000W Platinum White | ASRock Phantom Gaming 1000W SFX Platinum PSU | ASRock Steel Legend 1000W Platinum ATX 3.1 PSU | EVGA SuperNOVA 1000W Titanium PSU | EVGA SuperNOVA G3 1000W Gold PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 1000W | 1000W | 1000W | 1000W | 1000W | 1000W | 1000W |
| Efficiency Rating | 80 PLUS Platinum | 80 Plus Platinum | 80 PLUS Platinum | 80 Plus Platinum | 80 Plus Platinum, Cybenetics Platinum | 80 PLUS Titanium | 80 Plus Gold |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not specified | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | not specified | not specified |
| PCIe Connector Type | not specified | not specified | not specified | 12V-2x6 | 12V-2x6 | not specified | not specified |
| Fan Size | 140mm | not specified | not specified | 92mm | 135mm | 140mm | 130mm |
| Warranty | 10 Year | 10-Year | 10-Year | 10 Years | 10 Years | 10 Year | 10 Year |
| Form Factor | not specified | ATX | ATX | SFX | ATX | not specified | not specified |
| PCIe Version | not specified | not specified | not specified | PCIe 5.1 | PCIe 5.1 | not specified | not specified |
| Recommended Use | not specified | not specified | not specified | Gaming | not specified | not specified | not specified |
| Connector | not specified | not specified | not specified | 12V-2x6 Connector | not specified | not specified | not specified |
| Size | 1000W | 1000W | 1000W | 1000W | 1000W | 1000W | 1000W |
| Dimensions | 7.8 × 6 × 3.3 inches | 6.3 × 5.9 × 3.4 inches | 5.9 × 5.9 × 3.4 inches | 3.94 × 4.92 × 2.5 inches | 5.91 × 5.91 × 3.39 inches | 7.09 × 5.91 × 3.35 inches | 5.91 × 5.91 × 3.35 inches |
| Weight | 4.41 pounds | not specified | 3.9 pounds | not specified | not specified | 10.2 pounds | 6.1 pounds |
| Model | 220-P2-1000-XR | ROG-STRIX-1000P-GAMING | ROG-STRIX-1000P-GAMING-WHITE | 90-UFP100-PFUAAB | 90-UXS100-PFUAAA | 220-T2-1000-X1 | 220-G3-1000-X1 |
| Color | not specified | BLACK | WHITE | not specified | not specified | not specified | not specified |
When planning your enclosure fit, you can compare fractal design core 1000 cases alternatives based on chassis dimensions and clearance.
Frequently asked questions
Does the ASUS ROG Strix 1000W Platinum support ATX 3.1?
Yes, the ASUS ROG Strix 1000W Platinum supports ATX 3.1 architecture. This standard includes native support for modern PCIe 5.1 connectors. It uses Gallium Nitride components for improved efficiency. This makes it suitable for high-end graphics cards that require new power standards.
Is there a white power supply option for ATX builds?
The ASUS ROG Strix 1000W Platinum White offers a white aesthetic for ATX builds. It maintains 80 PLUS Platinum efficiency and fully modular cabling. The unit measures 5.9 inches wide and 5.9 inches long. It is designed for builders who prioritize color matching in their chassis.
Can I get 1000W in an SFX form factor?
The ASRock Phantom Gaming 1000W SFX Platinum provides 1000 watts in a compact SFX chassis. It measures 4.92 inches wide and 3.94 inches long. This unit supports ATX 3.1 and PCIe 5.1 standards. It is ideal for small-form-factor systems that need high wattage without the bulk of standard ATX units.
Which EVGA model offers the highest efficiency rating?
The EVGA SuperNOVA 1000W Titanium offers the highest efficiency rating in this group. It achieves 80 PLUS Titanium certification. This unit features fully modular cabling and a 140mm fan. It provides dependable power delivery for high-demand systems while maximizing energy savings during operation.
Is there a Gold-rated alternative to Platinum models?
The EVGA SuperNOVA G3 1000W Gold PSU serves as a Gold-rated alternative. It delivers 1000 watts with fully modular cabling. The unit measures 5.91 inches wide and 5.91 inches long. It is a dependable choice if you do not strictly require Platinum efficiency for your build.
Does the ASRock Steel Legend support PCIe 5.1?
Yes, the ASRock Steel Legend 1000W Platinum ATX 3.1 PSU supports PCIe 5.1. It features 80 PLUS Platinum efficiency and fully modular cabling. The unit measures 5.91 inches wide and 5.91 inches long. It is designed for modern graphics card upgrades that require the latest power connectivity standards.
What are the dimensions of the ASRock SFX power supply?
The ASRock Phantom Gaming 1000W SFX Platinum measures 4.92 inches in width, 2.5 inches in height, and 3.94 inches in length. Its compact SFX form factor allows it to fit in smaller cases. It delivers 1000 watts while maintaining a small physical footprint for tight builds.
How long is the warranty on the EVGA Titanium model?
The EVGA SuperNOVA 1000W Titanium PSU comes with a 10-year warranty. This coverage backs its 80 PLUS Titanium efficiency and fully modular design. The unit includes a 140mm fan for cooling. The warranty ensures long-term reliability for high-performance systems requiring stable power delivery.