Looking Beyond the EVGA SuperNOVA 850 G+ 850W? 6 Alternatives Worth a Look
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The EVGA SuperNOVA 120-GP-0850-X1 delivers 850W of power with 80 PLUS Gold efficiency and a 10-year warranty. It features a fully modular design and heavy-duty protections for reliable performance. If you are researching evga supernova 120 gp 0850 x1 alternatives, you may need different specifications. Some builders prefer a smaller form factor like SFX for compact cases. Others might want newer ATX 3.0 or 3.1 standards for modern graphics cards. You might also seek a lower wattage or a different brand for specific compatibility needs.
The alternatives on this list were chosen because their specs overlap with the original unit. We compared models that offer similar efficiency ratings, such as 80 PLUS Gold, and comparable warranty periods. The selection includes options with varying lengths and modular designs to suit different chassis sizes. You can find units that fit standard ATX cases or smaller builds. Each option provides a distinct advantage, whether it is a shorter footprint or updated connector support. This approach ensures you find a power supply that matches your exact build requirements without sacrificing core reliability.
Our top pick: EVGA SuperNOVA 850 G+ 850W PSU.
How these alternatives compare
EVGA SuperNOVA 750 G2 750W Power Supply
The EVGA SuperNOVA 750 G2 offers 750W of power, which is 100W less than the original 850W unit. It shares the same 80 PLUS Gold efficiency rating and fully modular design. The warranty remains at 10 years, matching the original. Its physical depth is 7 inches, slightly shorter than the original's 7.1-inch length. You should choose this if your system requires less than 850W but still needs reliable, fully modular cabling. It is a budget-friendly option for builds that do not demand the higher wattage ceiling of the original model.
EVGA SuperNOVA 850 GM SFX Power Supply
This unit provides 850W of power in an SFX form factor, unlike the standard ATX size of the original. It measures 4.92 inches wide and 4.92 inches deep, making it significantly more compact. It retains the 80 PLUS Gold efficiency and fully modular design. The 10-year warranty is identical. You should pick this for small-form-factor or mini-ITX builds where space is limited. It fits directly into SFF chassis or uses an included bracket for standard ATX cases. If you need high wattage in a small enclosure, this is the practical alternative.
EVGA 850 G6 Fully Modular PSU
The EVGA 850 G6 delivers the same 850W output and 80 PLUS Gold efficiency as the original. It is fully modular and carries a 10-year warranty. Its length is 5.5 inches, which is 1.6 inches shorter than the original's 7.1-inch length. This makes it easier to fit in cases with limited PSU space. You should choose this if you prioritize cable management and quiet operation in a standard ATX case. It gives you the same power and efficiency in a more compact physical footprint than the original model.
EVGA SuperNOVA 850 G7 Gold Modular PSU
This model provides 850W with 80 PLUS Gold efficiency and a fully modular design. It has a 10-year warranty, matching the original. Its length is only 5.1 inches, which is 2 inches shorter than the original. It weighs 1.87 pounds, significantly lighter than the original's 7 pounds. You should pick this for compact builds where space and weight are concerns. It offers the same power rating in a much smaller package. If you need reliable 850W power without taking up unnecessary chassis space, this is a strong alternative.
MSI MPG 850W Gold ATX 3.1 Power Supply
The MSI MPG 850W supports ATX 3.1 and PCIe 5.1 standards, which are newer than the original's specifications. It provides 850W with 80 PLUS Gold efficiency and a fully modular design. It includes a native 12V-2x6 connector for modern GPUs. The warranty is 10 years. Its length is 5.91 inches, shorter than the original. You should choose this for modern gaming systems that benefit from the latest power delivery standards. It offers better compatibility with recent graphics cards while maintaining high efficiency and reliability.
ASUS ROG Strix 750W Gold ATX 3.0 Power Supply
The ASUS ROG Strix 750W offers 750W of power, which is 100W less than the original. It supports ATX 3.0 and features 80 PLUS Gold efficiency. It is fully modular and includes Aura lighting. The warranty is 10 years. Its length is 7 inches, slightly shorter than the original. You should pick this for modern ATX 3.0 builds that need 750W. It provides native power delivery for newer components. If your system does not require 850W, this unit offers modern platform support with a slightly smaller footprint than the original.
Quick picks
Our 7 picks
EVGA SuperNOVA 850 G+ 850W PSU
Best for: spacious ATX desktop builds requiring 850W
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 135mm
- Warranty
- 10 Year
- Dimensions
- 7.1 × 5.9 × 3.35 inches
View on Amazon: EVGA SuperNOVA 850 G+ 850W PSU Affiliate link
The EVGA SuperNOVA 850 G+ is an 850W fully modular power supply engineered for high-demand desktop configurations. It offers 80 PLUS Gold certified efficiency, reaching up to 90 percent under typical 115V loads. A 135mm fluid dynamic bearing fan provides internal cooling, while six heavy-duty protection circuits guard your components. It suits you if you need a reliable, high-wattage base backed by a 10-year warranty for your custom PC build.
Pros
- 80 PLUS Gold certified with up to 92 percent efficiency
- 135mm fluid dynamic bearing cooling fan
- Fully modular cabling simplifies installation
- Complete protections including OVP, UVP, OCP, OPP, SCP, and OTP
- Long 10-year manufacturer warranty
Cons
- Long 7.1-inch housing demands extra space in compact enclosures
- Total weight reaches 7 pounds
Good fit if
- You need 850W of power with full cable modularity for custom routing.
- You want long-term coverage via a 10-year warranty and complete safety protections.
- You possess an ATX chassis that accommodates a 7.1-inch unit depth.
Skip if
- You build inside a compact case lacking clearance for a 7.1-inch power supply.
- You prioritize an ultra-lightweight system setup under 7 pounds.
Verdict: EVGA SuperNOVA 850 G+ Fully Modular PSU delivers solid 850W output, 80 PLUS Gold efficiency, and heavy-duty protections for mid-to-high-end builds. Its 7.1-inch length requires a spacious chassis, but a 10-year warranty ensures dependable long-term operation.
EVGA SuperNOVA 750 G2 750W Power Supply
Best for: 750W systems needing fully modular cabling
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7 × 5.9 × 3.4 inches
View on Amazon: EVGA SuperNOVA 750 G2 750W Power Supply Affiliate link
The EVGA SuperNOVA 750 G2 is a fully modular 750W power supply carrying an 80 PLUS Gold efficiency rating. It features Japanese brand capacitors, a 140mm double ball bearing fan with ECO Mode, and a 10-year warranty. You step down to 750W output, fitting systems that need less capacity while retaining five standard hardware protections.
Pros
- 80 PLUS Gold certified for up to 90% typical efficiency
- 140mm double ball bearing fan with ECO Mode
- Japanese brand capacitors for reliability
- 10-year manufacturer warranty
Cons
- 7-inch length requires extra clearance inside your chassis
- 750W output provides less capacity than 850W models
Good fit if
- You need a 750W Gold-rated unit with fully modular cables.
- You want a 140mm fan that supports semi-passive ECO Mode operation.
- You prioritize Japanese capacitors paired with a 10-year warranty.
Skip if
- You require 850W or more for higher-draw components.
- You have a compact case that cannot fit a 7-inch long unit.
Verdict: EVGA SuperNOVA 750 G2 750W Power Supply delivers reliable 80 PLUS Gold output with a 10-year warranty for 750W builds. Its 7-inch depth requires adequate case space.
EVGA SuperNOVA 850 GM SFX Power Supply
Best for: compact SFF and versatile mini-ITX builds
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Form Factor
- SFX
- Dimensions
- 4.92 × 4.92 × 2.48 inches
View on Amazon: EVGA SuperNOVA 850 GM SFX Power Supply Affiliate link
The EVGA SuperNOVA 850 GM provides 850W of continuous power in a compact SFX form factor measuring 4.92 inches wide and 2.48 inches high. You get 80 PLUS Gold efficiency, fully modular cabling, and 100% Japanese capacitors. An included bracket allows installation in standard ATX cases. It features ECO Mode alongside an FDB fan, backed by a 10-year warranty for small or mid-size setups.
Pros
- Compact SFX form factor with included ATX mounting bracket
- 80 PLUS Gold certified efficiency
- Fully modular cable system
- 100% Japanese capacitors
- 10-year manufacturer warranty
Cons
- Requires an adapter bracket to mount in standard ATX cases
- Four-pound weight adds mass to portable small-form-factor enclosures
Good fit if
- You need 850W of power inside a small-form-factor SFX chassis.
- You want a fully modular power supply with 80 PLUS Gold efficiency.
- You prefer components with 100% Japanese capacitors and a 10-year warranty.
Skip if
- You build in a standard ATX tower and prefer not to use an adapter bracket.
- You require more than 850W of power for extreme multi-GPU or server configurations.
Verdict: EVGA SuperNOVA 850W SFX Power Supply delivers 850W Gold-rated efficiency in a compact enclosure with full modularity and a 10-year warranty. It fits small-form-factor chassis directly or standard ATX cases using the included bracket.
EVGA 850 G6 Fully Modular PSU
Best for: Standard ATX builds needing reliable 850W power
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Form Factor
- Compact
- Dimensions
- 5.5 × 5.91 × 3.4 inches
View on Amazon: EVGA 850 G6 Fully Modular PSU Affiliate link
The EVGA 850 G6 delivers 850W of power with 80 Plus Gold efficiency. It uses fully modular cabling to keep your build tidy. Japanese capacitors and a fluid dynamic bearing fan help ensure stability and quiet operation. This unit is designed for users who want reliable performance and long-term durability without unnecessary complexity.
Pros
- 80 Plus Gold certification for high efficiency
- Fully modular cable design reduces clutter
- 10-year warranty coverage for peace of mind
- Fluid dynamic bearing fan for quiet operation
Cons
- Lacks PCIe 5.0 native support for newer GPUs
- Standard ATX form factor may not fit small cases
- No smart monitoring or app control features
Good fit if
- You need a reliable 850W power source for mid-to-high end builds
- You prefer fully modular cables for cleaner cable management
- You want a unit with a long warranty period
Skip if
- You are building a compact ITX system with strict size limits
- You require native PCIe 5.0 support for the latest graphics cards
- You want smart monitoring features or app integration
Verdict: EVGA 850 G6 Gold 850W PSU is a solid choice for users prioritizing efficiency and reliability over smart features. It fits well in standard ATX cases where cable management and quiet operation are key priorities.
EVGA SuperNOVA 850 G7 Gold Modular PSU
Best for: compact builds needing 850W Gold power
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Dimensions
- 5.1 × 5.9 × 3.4 inches
- Weight
- 1.87 pounds
View on Amazon: EVGA SuperNOVA 850 G7 Gold Modular PSU Affiliate link
The EVGA SuperNOVA 850 G7 is an 850W fully modular power supply built with an 80 Plus Gold efficiency certification and a compact 5.1-inch length. It features 100% Japanese capacitors, a half-bridge LLC resonant converter, DC-to-DC design, and a fluid dynamic bearing fan with an ECO mode. If you need clean power delivery in a chassis with tight cable clearance, this unit provides high efficiency alongside a 10-year warranty.
Pros
- Compact 5.1-inch length eases cable clearance in smaller cases
- 80 Plus Gold rating delivering at least 92% typical efficiency
- Fluid Dynamic Bearing fan with ECO mode for quiet operation
- 100% Japanese capacitors and DC-to-DC topology
- 10-year limited warranty coverage
Cons
- No native PCIe 5.0 or 12VHPWR cables listed in specifications
- Limited to 850W maximum output if your build requires more headroom
Good fit if
- You want a compact 5.1-inch ATX power supply for smaller enclosures.
- You need an 850W fully modular unit with 80 Plus Gold efficiency.
- You prioritize long-term coverage via a 10-year warranty.
Skip if
- You require more than 850W of power for high-draw hardware configurations.
- You need built-in PCIe 5.0 12VHPWR cable support specified out of the box.
Verdict: EVGA SuperNOVA 850 G7 850W Power Supply delivers 80 Plus Gold efficiency and reliable DC-to-DC regulation in a compact 5.1-inch footprint. Backed by a 10-year warranty, it gives you dependable 850W modular power without taking up unnecessary chassis space.
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: Modern ATX 3.1 gaming systems
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
View on Amazon: MSI MPG 850W Gold ATX 3.1 Power Supply Affiliate link
This 850W power supply supports modern builds with ATX 3.1 and PCIe 5.1 standards. You get full modularity, 80 PLUS Gold efficiency, and 100% Japanese 105°C capacitors. It includes a native 12V-2x6 cable for modern graphics cards. At 5.91 inches long, it fits standard ATX spaces easily while offering a 10-year warranty. It suits you if you need up-to-date power delivery for high-demand gaming hardware.
Pros
- ATX 3.1 and PCIe 5.1 compliant with native 12V-2x6 connector
- 80 PLUS Gold efficiency certification
- 100% Japanese 105°C capacitors
- 10-year limited warranty
- Fully modular cabling
Cons
- 850W capacity limits power headroom for multi-GPU setups
- Standard ATX size does not fit dedicated SFX chassis
Good fit if
- You need native 12V-2x6 PCIe 5.1 connectivity for your graphics card.
- You want a fully modular 850W unit with 80 PLUS Gold efficiency.
- You prefer internal hardware built with 105°C Japanese capacitors.
Skip if
- You require more than 850W of power for high-draw components.
- You need a compact SFX power supply for a small form factor case.
Verdict: MSI MPG 850W ATX 3.1 Power Supply provides modern PCIe 5.1 and ATX 3.1 compatibility backed by a 10-year warranty. Its fully modular design and native 12V-2x6 cable make it a solid choice for modern gaming builds.
ASUS ROG Strix 750W Gold ATX 3.0 Power Supply
Best for: modern ATX 3.0 builds needing 750W
- Wattage
- 750W
- Efficiency Rating
- 80+ Gold Certified
- Modularity
- Fully Modular
- ATX Version
- ATX 3.0
- Warranty
- 10 Year
- Dimensions
- 7 × 5.9 × 3.3 inches
View on Amazon: ASUS ROG Strix 750W Gold ATX 3.0 Power Supply Affiliate link
The ASUS ROG Strix 750W Gold Aura Edition is a fully modular ATX power supply built to the ATX 3.0 standard. It delivers 750W with 80 Plus Gold efficiency and features an aluminum casing linked to internal heatsinks for thermal dissipation. With dual ball bearing fans, 0dB technology for light loads, and a 10-year warranty, it suits you if you want modern standard compliance in a quiet, mid-wattage build.
Pros
- Meets ATX 3.0 power specifications
- Dual ball fan bearings and 0dB quiet mode
- Aluminum casing with large integrated heatsinks
- 10-year manufacturer warranty
Cons
- 750W total output offers less headroom than 850W alternatives
- 7-inch chassis length requires extra space inside compact cases
Good fit if
- You need native ATX 3.0 platform compliance.
- You want quiet operation supported by 0dB fan technology.
- You prefer fully modular cabling backed by a 10-year warranty.
Skip if
- You need 850W or higher capacity for high-draw components.
- You use a compact PC enclosure with clearance under 7 inches.
Verdict: ASUS ROG Strix 750W Gold Aura PSU provides native ATX 3.0 power delivery, 80 Plus Gold efficiency, and robust cooling in a fully modular format. It is a solid choice when you need modern platform support at a 750W capacity.
Specifications side by side
| Spec | EVGA SuperNOVA 850 G+ 850W PSU | EVGA SuperNOVA 750 G2 750W Power Supply | EVGA SuperNOVA 850 GM SFX Power Supply | EVGA 850 G6 Fully Modular PSU | EVGA SuperNOVA 850 G7 Gold Modular PSU | MSI MPG 850W Gold ATX 3.1 Power Supply | ASUS ROG Strix 750W Gold ATX 3.0 Power Supply |
|---|---|---|---|---|---|---|---|
| Wattage | 850W | 750W | 850W | 850W | 850W | 850W | 750W |
| Efficiency Rating | 80 Plus Gold | 80 PLUS Gold | 80 PLUS Gold | 80 Plus Gold | 80 Plus Gold | 80+ Gold | 80+ Gold Certified |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not stated | not stated | not stated | not stated | not stated | ATX 3.1 | ATX 3.0 |
| PCIe Connector Type | not stated | not stated | not stated | not stated | not stated | 12V-2x6 | not stated |
| Fan Size | 135mm | 140mm | not stated | not stated | not stated | not stated | not stated |
| Warranty | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year |
| Form Factor | not stated | not stated | SFX | Compact | not stated | Compact | ATX |
| PCIe Version | not stated | not stated | not stated | not stated | not stated | PCIe 5.1 | not stated |
| Recommended Use | not stated | not stated | not stated | not stated | not stated | Gaming | not stated |
| Connector | not stated | not stated | not stated | not stated | not stated | 12V-2x6 Connector | not stated |
| Size | 850W | 750W | 850W | 850W | 850W | 850W | 750W |
| Dimensions | 7.1 × 5.9 × 3.35 inches | 7 × 5.9 × 3.4 inches | 4.92 × 4.92 × 2.48 inches | 5.5 × 5.91 × 3.4 inches | 5.1 × 5.9 × 3.4 inches | 5.91 × 5.91 × 3.39 inches | 7 × 5.9 × 3.3 inches |
| Weight | 7 pounds | 6.6 pounds | 4 pounds | 6.6 pounds | 1.87 pounds | 7.15 pounds | 5.9 pounds |
| Color | gold | not stated | not stated | not stated | not stated | not stated | not stated |
| Model | 120-GP-0850-X1 | 220-G2-0750-XR | 123-GM-0850-X1 | 220-G6-0850-X1 | 9B17-438-239 | MPG A850G PCIE 5 | ROG-STRIX-750G-AURA-GAMING |
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Frequently asked questions
Which EVGA PSU is best for small ITX builds?
The EVGA SuperNOVA 850 GM SFX is the best choice for compact systems. It uses an SFX form factor, measuring 4.92 by 4.92 inches. This size fits directly into small-form-factor chassis. You can also use the included bracket to mount it in standard ATX cases. It delivers 850W with full modularity.
What is the shortest EVGA 850W power supply?
The EVGA SuperNOVA 850 G7 Gold Modular PSU has the shortest length at 5.1 inches. This compact footprint helps save space inside your case. It still provides 850W of power with 80 PLUS Gold efficiency. The fully modular design allows you to connect only the cables you need for a cleaner build.
Which alternative supports the latest ATX 3.1 standard?
The MSI MPG 850W Gold ATX 3.1 Power Supply supports the modern ATX 3.1 specification. It also features PCIe 5.1 compatibility for new graphics cards. A native 12V-2x6 connector is included, simplifying connections for high-end GPUs. This unit is fully modular and designed for reliable performance in gaming systems.
Is there a 750W option with full modularity?
Yes, the EVGA SuperNOVA 750 G2 750W Power Supply offers full modularity. It provides 750W of output with 80 PLUS Gold efficiency. The unit measures 7 inches in length, so ensure your case has adequate depth. This model is ideal for systems that do not require the full 850W capacity of larger units.
Which PSU fits best in tight ATX cases?
The EVGA 850 G6 Fully Modular PSU is a strong candidate for tight spaces. It measures only 5.5 inches in length, which is shorter than many standard ATX units. It delivers 850W with 80 PLUS Gold efficiency. The fully modular design aids cable management, making it suitable for builds where space is limited.
What is the best ATX 3.0 power supply here?
The ASUS ROG Strix 750W Gold ATX 3.0 Power Supply is the top choice for ATX 3.0 builds. It provides native power delivery for modern platforms. The unit offers 750W of power with 80 PLUS Gold efficiency. It is fully modular and includes Aura lighting for aesthetic customization in compatible cases.