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Looking Beyond the Enermax CYBERG II 850W Non-Modular? 6 Alternatives Worth a Look

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The Enermax CYBERG II 850W Non-Modular PSU delivers solid power for modern high-end builds. If you are researching enermax cyberg ii 850w alternatives, you might want a different size or feature set. This unit offers 80 Plus Gold efficiency and ATX 3.1 support with a non-modular design. Its 12V-2x6 cable handles high-power graphics cards well. However, you may prefer a fully modular option for cleaner cable management. Some users might also need a lower wattage or a different form factor to fit their case. Other buyers might prioritize a longer warranty or a specific brand reputation over the Enermax specifications.

We selected these alternatives because their core specifications overlap with the original product. All listed units support the ATX 3.1 standard and provide 80 Plus Gold efficiency ratings. This ensures you can compare apples to apples when looking at performance and reliability. The list includes both non-modular and fully modular options to suit different build styles. You will find units ranging from 650W to 850W to match your system's power needs. Each choice offers a distinct advantage, whether it is a longer warranty period or a more compact physical size. Review these specs to find the best fit for your specific requirements.

How these alternatives compare to Enermax

ASRock Challenger 650W Gold ATX 3.1 PSU

The ASRock Challenger 650W Gold ATX 3.1 PSU drops wattage from 850W to 650W. This makes it suitable for mid-range gaming and productivity builds rather than high-end systems. Like the Enermax, it uses a non-modular design and maintains 80 Plus Gold efficiency. You get the same ATX 3.1 standard and 12V-2x6 support. Choose this if you need less power but want a budget-friendly option that still meets modern standards. It sacrifices cable management flexibility and peak performance for a lower entry point into ATX 3.1 compatibility.

Enermax CYBERG II 750W Non-Modular PSU

The Enermax CYBERG II 750W Non-Modular PSU reduces wattage from 850W to 750W. It keeps the same non-modular form factor and 80 Plus Gold efficiency rating. This model is ideal for users who prioritize ATX 3.1 features in a slightly smaller package. It offers PCIe 5.1 support and similar reliability. If you do not need the full 850W output, this variant provides a more compact solution without sacrificing core efficiency or modern connector support. It is a solid choice for builds that fit within the 750W power envelope.

Redragon 850W Gold ATX 3.1 Power Supply

The Redragon 850W Gold ATX 3.1 Power Supply matches the Enermax in wattage and efficiency. It also features a non-modular design and ATX 3.1 compliance. The key difference is the inclusion of Active PFC, which can improve power factor correction. This unit is best for efficient ATX 3.1 builds that do not require modular cables. You get similar power delivery capabilities but with a different brand approach to efficiency components. It is a direct competitor for users who want 850W output without the complexity of modular wiring.

Rosewill 650W Gold ATX 3.1 Power Supply

The Rosewill 650W Gold ATX 3.1 Power Supply reduces wattage to 650W but adds a 5-year warranty. It remains non-modular with 80 Plus Gold efficiency and ATX 3.1 support. This model is designed for compact builds with mid-range GPUs. You gain longer warranty coverage but lose the higher wattage and larger form factor of the Enermax. It is a good choice if you prioritize warranty length and efficiency in a smaller footprint. The 12V-2x6 connector ensures compatibility with modern graphics cards despite the lower power rating.

MSI MAG 850W Fully Modular ATX Power Supply

The MSI MAG 850W Fully Modular ATX Power Supply matches the Enermax in wattage and efficiency but switches to a fully modular design. It offers a 10-year warranty, which is significantly longer than the Enermax. This unit is ideal for gamers needing ATX 3.1 support with clean cable management. You gain flexibility in cable routing and a longer warranty but lose the simplicity and potentially lower cost of a non-modular unit. It is the best choice for users who value organization and long-term protection over fixed cable simplicity.

Corsair RM850x Shift 850W White ATX Power Supply

The Corsair RM850x Shift 850W White ATX Power Supply matches the Enermax in wattage and efficiency but features a fully modular design. It offers ATX 3.1 support and PCIe 5.1 compatibility. The white color and shift-style connectors provide aesthetic and management advantages. This unit is best for high-end white builds needing 850W. You gain superior cable management and visual appeal but deal with the complexity and potential higher cost of modular wiring. It is ideal for users who prioritize clean interiors and modern connector standards over fixed cable simplicity.

Quick picks

#ProductBest forPrice
1 Enermax CYBERG II 850W Non-Modular PSU Best overall High-wattage builds with modern GPUs Check price of Enermax CYBERG II 850W Non-Modular PSU on Amazon
2 ASRock Challenger 650W Gold ATX 3.1 PSU Also great mid-range gaming and productivity builds Check price of ASRock Challenger 650W Gold ATX 3.1 PSU on Amazon
3 Enermax CYBERG II 750W Non-Modular PSU Best premium ATX 3.1 builds needing 750W efficiency Check price of Enermax CYBERG II 750W Non-Modular PSU on Amazon
4 Redragon 850W Gold ATX 3.1 Power Supply Best active pfc efficient ATX 3.1 builds Check price of Redragon 850W Gold ATX 3.1 Power Supply on Amazon
5 Rosewill 650W Gold ATX 3.1 Power Supply Best budget compact builds with mid-range GPUs Check price of Rosewill 650W Gold ATX 3.1 Power Supply on Amazon
6 MSI MAG 850W Fully Modular ATX Power Supply Best gaming Gamers needing ATX 3.1 and 10-year warranty Check price of MSI MAG 850W Fully Modular ATX Power Supply on Amazon
7 Corsair RM850x Shift 850W White ATX Power Supply Best 850w High-end white builds needing 850W Check price of Corsair RM850x Shift 850W White ATX Power Supply on Amazon

Our 7 picks

Best overall

Enermax CYBERG II 850W Non-Modular PSU

Best for: High-wattage builds with modern GPUs

Wattage
850W
Efficiency Rating
80 Plus Gold
Modularity
Non-Modular
ATX Version
ATX 3.1
PCIe Connector Type
12V-2x6
Fan Size
120mm

View on Amazon: Enermax CYBERG II 850W Non-Modular PSU Affiliate link

The Enermax CYBERG II 850W is a non-modular ATX 3.1 power supply designed for modern builds. It delivers 850W of stable power with 80 Plus Gold efficiency, reaching up to 93%. The unit includes a 12V-2x6 cable for new GPUs and handles sudden load changes well. You get a 120mm fan and Japanese capacitors for reliability. It fits standard ATX cases and operates at high altitudes.

Pros

  • 850W output with 80 Plus Gold certification
  • ATX 3.1 standard with 12V-2x6 PCIe connector
  • Supports 200% power excursion for GPU stability
  • Includes 120mm sleeve-bearing fan for operation
  • Flat black cables simplify cable management

Cons

  • Non-modular design requires managing all cables
  • Weighs 41 pounds, making it heavy
  • Uses sleeve-bearing fan instead of hydraulic or fluid dynamic

Good fit if

  • You need a high-wattage PSU for a new GPU
  • You prefer a non-modular setup for simplicity
  • You want 80 Plus Gold efficiency ratings

Skip if

  • You require fully modular cables for clean builds
  • You need a compact SFX form factor
  • You prefer hydraulic bearing fans for longevity

Verdict: Enermax CYBERG II 850W Non-Modular is a solid choice for users building high-end systems with modern GPUs who do not mind handling fixed cables. It provides reliable power delivery and efficient operation for standard ATX cases.

Also great

ASRock Challenger 650W Gold ATX 3.1 PSU

Best for: mid-range gaming and productivity builds

Wattage
650W
Efficiency Rating
80 PLUS Gold
Modularity
Non-Modular
ATX Version
ATX 3.1
PCIe Connector Type
6+2-pin PCIe
Fan Size
120mm

View on Amazon: ASRock Challenger 650W Gold ATX 3.1 PSU Affiliate link

The ASRock Challenger 650W is a non-modular power supply built for mid-range gaming and productivity systems. It delivers 650W of continuous power with an 80 PLUS Gold efficiency rating, reaching up to 91.5% efficiency. It supports the ATX 3.1 standard and includes a 120mm fan with Auto iCOOL control. The unit features a 5V BOOST function to handle transient spikes. It comes with a 5-year warranty.

Pros

  • 80 PLUS Gold efficiency up to 91.5%
  • ATX 3.1 compliance for modern builds
  • 5V BOOST function for voltage stability
  • 5-year warranty coverage

Cons

  • Non-modular cable design limits airflow
  • 650W output may limit high-end GPUs
  • 120mm fan may be louder under load

Good fit if

  • You need a reliable 650W unit for mid-range builds
  • You prioritize efficiency and stable voltage delivery
  • You want a 5-year warranty for peace of mind

Skip if

  • You require fully modular cables for clean builds
  • You are building a high-end system over 750W
  • You need silent operation in a small case

Verdict: ASRock Challenger 650W ATX 3.1 offers solid efficiency and modern standards for mid-range users. It fits those who value stability and warranty over cable management flexibility.

Best premium

Enermax CYBERG II 750W Non-Modular PSU

Best for: ATX 3.1 builds needing 750W efficiency

Wattage
750 W
Efficiency Rating
80 PLUS Gold
Modularity
Non-Modular
ATX Version
ATX 3.1
PCIe Connector Type
12V-2x6
Fan Size
120 mm

View on Amazon: Enermax CYBERG II 750W Non-Modular PSU Affiliate link

The Enermax CYBERG II 750W is a non-modular ATX 3.1 power supply designed for modern GPUs. It features a 12V-2x6 cable with 200% power excursion reserve. Efficiency reaches 90% with 80 Plus Gold certification. The 120 mm sleeve bearing fan ensures quiet operation. It includes flat black cables for easier installation and six-way protection for safety.

Pros

  • ATX 3.1 standard with PCIe 5.1 12V-2x6 connector
  • 200% power excursion reserve for GPU stability
  • 90% efficiency with 80 Plus Gold rating
  • 120 mm sleeve bearing fan for quiet operation

Cons

  • Non-modular design requires managing all cables
  • Lower wattage than the 850W Enermax CYBERG II
  • 120 mm fan is smaller than typical 135 mm or 140 mm units

Good fit if

  • You need ATX 3.1 compatibility for new GPUs
  • You want high efficiency to reduce energy costs
  • You prefer a non-modular unit for simplicity

Skip if

  • You require fully modular cables for clean builds
  • You need more than 750W of power
  • You prefer larger 135 mm or 140 mm fans

Verdict: Enermax CYBERG II 750W Non-Modular suits users who prioritize ATX 3.1 features and efficiency in a compact, non-modular form factor.

Best active pfc

Redragon 850W Gold ATX 3.1 Power Supply

Best for: efficient ATX 3.1 builds

Wattage
850 Watt
Efficiency Rating
80+ Gold
Modularity
Non-Modular
ATX Version
ATX 3.1
PCIe Connector Type
12VHPWR
Fan Size
120mm

View on Amazon: Redragon 850W Gold ATX 3.1 Power Supply Affiliate link

The Redragon RGMS-850W PRO delivers 850 watts of power with 80 Plus Gold efficiency and Active PFC. It supports ATX 3.1 and PCIe 5.1 standards, ensuring compatibility with modern high-end GPUs. The unit features a 120mm fan and Japanese capacitors for stability. Its non-modular design keeps costs down but requires managing all cables. This unit suits users prioritizing efficiency and modern connector support.

Pros

  • 80 Plus Gold efficiency rating
  • Active PFC for stable power
  • ATX 3.1 and PCIe 5.1 ready
  • 120mm fan for cooling

Cons

  • Non-modular cable design
  • 120mm fan may be noisier than 135mm options
  • No RGB lighting on this specific model

Good fit if

  • You need 80 Plus Gold efficiency
  • You require ATX 3.1 compatibility
  • You want Active PFC performance

Skip if

  • You prefer modular cables
  • You need silent operation under load
  • You want RGB lighting effects

Verdict: Redragon 850W Non-Modular Gold offers solid efficiency and modern standards for builders needing reliable power delivery without the complexity of modular cables.

Best budget

Rosewill 650W Gold ATX 3.1 Power Supply

Best for: compact builds with mid-range GPUs

Wattage
650W
Efficiency Rating
80 PLUS Gold
Modularity
Non-Modular
ATX Version
ATX 3.0 & 3.1
PCIe Connector Type
12V-2x6
Warranty
5 Years

View on Amazon: Rosewill 650W Gold ATX 3.1 Power Supply Affiliate link

This Rosewill VNG unit offers 650W of power with 80 PLUS Gold efficiency. It supports ATX 3.1 and includes a native PCIe 5.1 12V-2x6 cable for modern GPUs. The non-modular design keeps costs down while the compact chassis fits smaller builds. You get a 5-year warranty and six built-in safety protections for reliable operation.

Pros

  • 80 PLUS Gold efficiency rating
  • Native PCIe 5.1 12V-2x6 cable
  • 5-year warranty coverage
  • Compact 140x150x86mm chassis size

Cons

  • Non-modular cable design
  • 650W output is lower than 850W competitors
  • No active fan speed control listed

Good fit if

  • You need a compact PSU for a small form factor build
  • You want 80 PLUS Gold efficiency for better power savings
  • You are building with a mid-range GPU under 450W

Skip if

  • You require fully modular cables for cleaner cable management
  • You plan to use a high-end GPU exceeding 450W
  • You need more than 650W of total system power

Verdict: Rosewill VNG 650W Non-Modular is a solid choice for small builds needing modern PCIe 5.1 support. It suits users prioritizing efficiency and warranty length over modular flexibility.

Best gaming

MSI MAG 850W Fully Modular ATX Power Supply

Best for: Gamers needing ATX 3.1 and 10-year warranty

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 MAG 850W Fully Modular ATX Power Supply Affiliate link

This 850W power supply features ATX 3.1 compatibility and a 12V-2x6 connector for modern GPUs. It carries an 80 Plus Gold efficiency rating and includes a 10-year warranty. The fully modular design lets you connect only the cables you need. It measures 12 by 8.75 by 4.92 inches. This unit suits gamers who want high efficiency and long-term support.

Pros

  • Fully modular cable design
  • 10-year warranty coverage
  • 80 Plus Gold efficiency
  • ATX 3.1 standard support

Cons

  • Larger physical dimensions than compact units
  • No software control features listed
  • No LCD display for monitoring

Good fit if

  • You need a 12V-2x6 connector for new graphics cards
  • You want a 10-year warranty for peace of mind
  • You prefer fully modular cables for clean builds

Skip if

  • You require a non-modular unit for maximum simplicity
  • You need a smaller form factor than ATX
  • You want built-in monitoring displays

Verdict: MSI MAG A850GL Fully Modular 850W offers strong efficiency and a long warranty. It is a solid choice for gamers building with ATX 3.1 systems.

Best 850w

Corsair RM850x Shift 850W White ATX Power Supply

Best for: High-end white builds needing 850W

Wattage
850W
Efficiency Rating
80 Plus Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
PCIe Connector Type
PCIe 5.1
Dimensions
6.3 × 5.91 × 3.39 inches

View on Amazon: Corsair RM850x Shift 850W White ATX Power Supply Affiliate link

The Corsair RM850x Shift is a fully modular ATX 3.1 power supply rated at 850W. It carries an 80 Plus Gold efficiency rating and supports PCIe 5.1 connectors. The unit measures 6.3 inches in length and weighs 3.75 pounds. You will appreciate the shift-style modular connectors for cleaner cable management. This white unit suits builders who need reliable high-wattage output with modern connector standards.

Pros

  • Fully modular design for tidy builds
  • ATX 3.1 standard compliance
  • 80 Plus Gold efficiency rating
  • PCIe 5.1 connector support

Cons

  • Non-standard shift modular connectors may limit cable options
  • White color may not match dark builds
  • Heavier than some competitors at 3.75 pounds

Good fit if

  • You need a fully modular 850W unit
  • You want ATX 3.1 compatibility
  • You prefer white internal components

Skip if

  • You require standard modular connectors
  • You need a non-modular unit
  • You prefer black internal components

Verdict: Corsair RM850x Shift 850W delivers solid 80 Plus Gold efficiency and ATX 3.1 support for high-end builds. It fits users who prioritize clean cable management with fully modular cables and white aesthetics.

Specifications side by side

Spec Enermax CYBERG II 850W Non-Modular PSU ASRock Challenger 650W Gold ATX 3.1 PSU Enermax CYBERG II 750W Non-Modular PSU Redragon 850W Gold ATX 3.1 Power Supply Rosewill 650W Gold ATX 3.1 Power Supply MSI MAG 850W Fully Modular ATX Power Supply Corsair RM850x Shift 850W White ATX Power Supply
Wattage 850W 650W 750 W 850 Watt 650W 850W 850W
Efficiency Rating 80 Plus Gold 80 PLUS Gold 80 PLUS Gold 80+ Gold 80 PLUS Gold 80+ Gold 80 Plus Gold
Modularity Non-Modular Non-Modular Non-Modular Non-Modular Non-Modular Fully Modular Fully Modular
ATX Version ATX 3.1 ATX 3.1 ATX 3.1 ATX 3.1 ATX 3.0 & 3.1 ATX 3.1 ATX 3.1
PCIe Connector Type 12V-2x6 6+2-pin PCIe 12V-2x6 12VHPWR 12V-2x6 12V-2x6 PCIe 5.1
Fan Size 120mm 120mm 120 mm 120mm not specified not specified not specified
Warranty not specified 5 Years not specified not specified 5 Years 10 Year not specified
Form Factor ATX ATX ATX ATX ATX ATX ATX
PCIe Version not specified not specified PCIe 5.1 PCIe 5.1 PCIe 5.1 PCIe 5.1 PCIe 5.1
Recommended Use not specified not specified not specified not specified not specified Gaming not specified
Connector not specified not specified not specified not specified 12V-2x6 Connector 12V-2x6 Connector not specified
Power Factor Correction not specified not specified not specified Active PFC not specified not specified not specified
Size not specified 650G 750W 850 Watts Compact 850W (PCIE 5) 850W
Dimensions 5.91 × 5.51 × 3.39 inches 5.51 × 5.91 × 3.39 inches 5.51 × 5.91 × 3.39 inches 5.91 × 3.35 × 5.51 inches 5.9 × 5.51 × 3.38 inches 12 × 8.75 × 4.92 inches 6.3 × 5.91 × 3.39 inches
Weight 41 pounds not specified 3.53 pounds not specified 2.8 pounds not specified 3.75 pounds
Color Black Black Black not specified Black not specified White
Model ENERMAX CYBERG II 90-UXC065-GNUAAA ERV750G-AHG-NAC RGMS-850W VNG650 not specified not specified

Frequently asked questions

What is the best alternative to the Enermax CYBERG II 850W for high-end builds?

The MSI MAG 850W Fully Modular ATX Power Supply is a strong alternative for gamers. It offers 80 Plus Gold efficiency and supports ATX 3.1 standards. Unlike the non-modular Enermax, this unit features fully modular cables. It also includes PCIe 5.1 support and a 12V-2x6 connector for modern graphics cards.

Can I find a smaller non-modular PSU instead of the Enermax 850W?

Yes, the Rosewill 650W Gold ATX 3.1 Power Supply is a compact option. It measures 5.9 inches in length, which is smaller than standard ATX units. It maintains 80 Plus Gold efficiency and supports ATX 3.1. This unit is non-modular, making it suitable for small builds with mid-range GPUs.

Is there a white power supply alternative to the Enermax CYBERG II?

The Corsair RM850x Shift 850W White ATX Power Supply provides a white aesthetic. It delivers 80 Plus Gold efficiency and supports ATX 3.1 standards. This unit is fully modular, allowing for cleaner cable management. It features PCIe 5.1 support and measures 6.3 inches in length, fitting standard ATX cases.

Does the Enermax CYBERG II 750W offer better efficiency than the 850W model?

Both the Enermax CYBERG II 750W and 850W models provide 80 Plus Gold efficiency. The 750W version is designed for users needing ATX 3.1 features in a slightly lower wattage. It is non-modular and supports PCIe 5.1. The 850W model offers more power for high-end systems while maintaining the same efficiency rating.

What is the most budget-friendly non-modular alternative with 80 Plus Gold efficiency?

The ASRock Challenger 650W Gold ATX 3.1 PSU is a solid budget choice. It features 80 Plus Gold efficiency and supports ATX 3.1 standards. This unit is non-modular, similar to the Enermax CYBERG II 850W. It is designed for mid-range gaming and productivity builds, offering stability and modern connectivity options.

Which alternative supports PCIe 5.1 without being fully modular?

The Enermax CYBERG II 750W Non-Modular PSU supports PCIe 5.1. It also features 80 Plus Gold efficiency and ATX 3.1 compatibility. The Redragon 850W Gold ATX 3.1 Power Supply is another non-modular option with PCIe 5.1 support. Both units provide reliable power delivery for modern systems without the complexity of modular cables.

How does the Corsair RM850x Shift compare in size to the Enermax 850W?

The Corsair RM850x Shift measures 6.3 inches in length, while the Enermax CYBERG II 850W is 5.91 inches long. Both units fit standard ATX cases. The Corsair unit is fully modular and white, whereas the Enermax is non-modular and black. Both offer 80 Plus Gold efficiency and ATX 3.1 support for high-end builds.