6 Best Alternatives to the Enermax Revolution III 850W ATX (2026)

How each alternative compares

Corsair RM850x Shift 850W White ATX Power Supply

The Corsair RM850x Shift matches the Enermax in wattage, efficiency rating, and ATX version, but it offers a white color option instead of black. It shares the same 12V-2x6 connector support for modern GPUs. The Corsair unit is slightly longer at 6.3 inches compared to the Enermax’s 5.51 inches, which may affect fit in smaller cases. Both provide full modularity. You should choose the Corsair if you prefer a white aesthetic or want a unit that prioritizes compatibility with standard mid-tower and full-tower cases over the specific cable aesthetics of the Enermax.

Corsair RM750x Shift White 750W ATX Power Supply

The Corsair RM750x Shift reduces power output to 750W while keeping the same ATX 3.1 standard, PCIe 5.1 support, and 80 Plus Gold efficiency. It shares the white color and full modularity of the RM850x variant. The physical dimensions are identical to the 850W Corsair model, making it longer than the Enermax. This unit is ideal if your system does not require the full 850W headroom. You might pick this over the Enermax if you prioritize side-mounted connector layouts and cable management flexibility, accepting the lower wattage for potentially easier installation in specific case configurations.

MSI MPG 850W Gold ATX 3.1 Power Supply

The MSI MPG 850W Gold matches the Enermax in wattage, efficiency, and ATX 3.1 version, but it is significantly heavier at 7.15 pounds compared to the Enermax’s 3.86 pounds. It also shares the 12V-2x6 connector support. The MSI unit includes a 10-year warranty, which is longer than the Enermax’s standard coverage. Its length is 5.91 inches, slightly longer than the Enermax. You should consider the MSI if you value a longer warranty period and do not mind the extra weight. It is a solid choice for high-efficiency gaming builds where long-term reliability is a priority over lightweight construction.

MSI MAG A750GL PCIE5 750W Power Supply

The MSI MAG A750GL reduces wattage to 750W but retains the 80 Plus Gold efficiency and ATX 3.1 standard. It differs significantly in physical size, measuring 9 inches in width and 12 inches in length, making it much larger than the Enermax. It shares the 12V-2x6 connector support and full modularity. This unit also includes a 10-year warranty. You might choose this if you have a large case that can accommodate a bulky power supply and need PCIe 5.1 compatibility. It is suitable for gaming builds where raw wattage is less critical than modern connector support and extended warranty coverage.

darkFlash 850W Fully Modular Gold ATX 3.1 PSU

The darkFlash 850W PSU matches the Enermax in wattage, efficiency rating, and ATX 3.1 version, while also supporting PCIe 5.1. It shares the black color and full modularity. The darkFlash unit is slightly longer at 5.52 inches compared to the Enermax’s 5.51 inches. It includes a 5-year warranty, which is shorter than the MSI options but provides some coverage. This unit is designed for users who need modern GPU connectivity without paying for a longer warranty period. You should pick the darkFlash if you want a similar power profile to the Enermax but prefer a different brand or specific warranty terms.

Auotac 1000W ATX 3.1 ARGB Power Supply

The Auotac 1000W ATX 3.1 increases wattage to 1000W while maintaining 80 Plus Gold efficiency and ATX 3.1 support. It shares the black color, full modularity, and 12V-2x6 connector support. The Auotac unit is slightly wider and taller than the Enermax, measuring 6 inches in width and 3.7 inches in height. It weighs less at 3.2 pounds. This unit is ideal for high-wattage builds that require more power than the Enermax can provide. You should choose the Auotac if your system demands extra headroom for extreme overclocking or multiple high-end components, prioritizing airflow and quiet operation alongside increased power capacity.

Quick picks

Our 7 picks

1 Best overall

Enermax Revolution III 850W ATX 3.1 PSU

Best for: high-end gaming and creative workstations

Wattage

850 W

Efficiency Rating

80 PLUS Gold

Modularity

Full Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Fan Size

120 mm

View on Amazon: Enermax Revolution III 850W ATX 3.1 PSU Affiliate link

The Enermax Revolution III is a fully modular 850W power supply certified for ATX 3.1 and PCIe 5.1 standards. It features an 80 PLUS Gold efficiency rating, ensuring over 90% efficiency at standard load. The unit includes a 12V-2x6 connector capable of delivering 600W to support modern GPUs with a 200% power excursion reserve. Its 120 mm fan operates quietly under load.

Pros

• 80 PLUS Gold efficiency rating for reduced energy waste
• ATX 3.1 and PCIe 5.1 compatibility for modern hardware
• 600W 12V-2x6 cable with 200% power excursion reserve
• Fully modular design with mesh-sheathed cables for clean routing

Cons

• Larger 120 mm fan size may not fit small form factor cases
• Heavier build at 3.86 pounds compared to compact alternatives
• Certified only for use up to 5 m height

Good fit if

• You need a high-wattage PSU for modern GPUs with PCIe 5.1 support
• You prioritize efficiency and quiet operation with an 80 PLUS Gold rating
• You want full modularity for clean cable management in a standard case

Skip if

• You are building in a small form factor case with limited PSU space
• You require a power supply certified for high-altitude operation above 5 m
• You prefer a lighter unit for easy transport or compact builds

Verdict: The Enermax Revolution III 850W ATX 3.1 is a robust choice for gamers and creators needing reliable power for high-end GPUs. Its gold efficiency and modern connectors make it suitable for standard mid-tower and full-tower cases.

2 Also great

Corsair RM850x Shift 850W White ATX Power Supply

Best for: Modern high-performance gaming PCs

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 850W power supply built for modern systems. It meets ATX 3.1 standards and supports PCIe 5.1 connectors for high-end graphics cards. You get 80 Plus Gold efficiency to reduce energy waste. The unit measures 6.3 by 5.91 by 3.39 inches and weighs 3.75 pounds. It runs silently with zero RPM fan mode. This model suits builders who need reliable power for demanding components.

Pros

• 850W output capacity for high-performance builds
• ATX 3.1 compliance for latest motherboard standards
• PCIe 5.1 support for modern GPUs
• 80 Plus Gold efficiency rating
• Fully modular cable design

Cons

• Larger physical footprint than compact alternatives
• Heavier build at 3.75 pounds
• No mention of app control or software integration

Good fit if

• You need PCIe 5.1 support for new graphics cards
• You prefer fully modular cables for clean builds
• You want 80 Plus Gold efficiency

Skip if

• You require a compact form factor
• You need software monitoring capabilities
• You prefer a lighter unit

Verdict: Corsair RM850x Shift ATX 3.1 delivers solid 850W power with modern ATX 3.1 and PCIe 5.1 support. It fits builders who prioritize efficiency and compatibility over compact size.

3 Best budget

Corsair RM750x Shift White 750W ATX Power Supply

Best for: side-mounted connector layouts

Wattage

750W

Efficiency Rating

80 Plus Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

Fan Size

140mm

PCIe Version

PCIe 5.1

View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply Affiliate link

The Corsair RM750x Shift is a fully modular 750W power supply with 80 Plus Gold efficiency. It features side-mounted micro-fit connectors for cleaner cable management and ATX 3.1 compliance. A 140mm fan ensures quiet operation. This unit suits builders who value compact layouts and modern PCIe 5.1 support.

Pros

• Side-mounted modular connectors for easier access
• ATX 3.1 and PCIe 5.1 certified
• 140mm fan with low-noise curve
• Japanese electrolytic capacitors for reliability

Cons

• Lower 750W wattage than the 850W Enermax
• Heavier build at 3.75 pounds
• No mention of zero-RPM mode in specs

Good fit if

• You need side-mounted connectors for tight cases
• You want ATX 3.1 compliance
• You prefer 80 Plus Gold efficiency

Skip if

• You require more than 750W of power
• You need top-mounted modular connections
• You want a lighter unit under 3 pounds

Verdict: Corsair RM750x Shift 750W ATX 3.1 fits builders prioritizing side-mounted cable management and modern standards over raw wattage.

4 Best premium

MSI MPG 850W Gold ATX 3.1 Power Supply

Best for: high-efficiency gaming builds

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

The MSI MPG A850G is a fully modular 850W power supply designed for gaming systems. It carries an 80 Plus Gold efficiency rating and supports ATX 3.1 and PCIe 5.1 standards. The unit includes a native 12V-2x6 cable for modern GPUs. It uses 100% Japanese 105°C capacitors for stability. This model offers a 10-year limited warranty for long-term reliability.

Pros

• 80 Plus Gold efficiency rating
• ATX 3.1 and PCIe 5.1 support
• Native 12V-2x6 cable included
• 100% Japanese 105°C capacitors
• 10-year limited warranty

Cons

• Heavier than some compact competitors
• No software control mentioned
• Standard ATX form factor size

Good fit if

• You need native PCIe 5.1 support
• You want high efficiency ratings
• You prefer Japanese capacitors

Skip if

• You require software control
• You need a smaller form factor
• You want a cheaper option

Verdict: MSI MPG A850G 850W Gold PSU is a solid choice for gamers who prioritize efficiency and modern connector support over compact size.

5 Also great

MSI MAG A750GL PCIE5 750W Power Supply

Best for: Gaming builds needing PCIe 5.1 support

Wattage

750W

Efficiency Rating

80 PLUS Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10 Year

View on Amazon: MSI MAG A750GL PCIE5 750W Power Supply Affiliate link

This fully modular power supply delivers 750W of power with 80 PLUS Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards, featuring a 12V-2x6 connector for modern GPUs. The compact 120mm form factor fits smaller cases. It includes a 10-year warranty for long-term reliability. You should consider this unit if you need a reliable, efficient PSU for gaming builds that require latest connector standards.

Pros

• 80 PLUS Gold efficiency rating
• ATX 3.1 and PCIe 5.1 ready
• 12V-2x6 connector included
• 10-year limited warranty
• Fully modular cable design

Cons

• Lower 750W wattage than 850W alternatives
• Heavier at 6.61 pounds
• Standard 120mm form factor size

Good fit if

• You need PCIe 5.1 support for new GPUs
• You want a 10-year warranty
• You prefer fully modular cables

Skip if

• You require more than 750W of power
• You need a compact SFX form factor
• You are building a high-end 1000W+ system

Verdict: MSI MAG A750GL 750W ATX 3.1 is a solid choice for gamers who need PCIe 5.1 compatibility and a long warranty, provided 750W meets your system's power demands.

6 Best 5 year warranty

darkFlash 850W Fully Modular Gold ATX 3.1 PSU

Best for: Modern GPUs needing PCIe 5.1 support

Wattage

850 Watts

Efficiency Rating

80 Plus Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6, 12VHPWR

Warranty

5 Year

View on Amazon: darkFlash 850W Fully Modular Gold ATX 3.1 PSU Affiliate link

The darkFlash PMT850 is an 850-watt fully modular power supply built for modern gaming rigs. It meets ATX 3.1 and PCIe 5.1 standards, supporting high power excursions for stable performance. The unit features 80 Plus Gold efficiency and native 12VHPWR cables for direct GPU connectivity. Japanese 105°C capacitors ensure durability under heavy loads. You will appreciate the included cabling and the five-year warranty for long-term reliability.

Pros

• ATX 3.1 and PCIe 5.1 compatibility
• Native 12VHPWR cable included
• 80 Plus Gold efficiency rating
• 105°C Japanese capacitors

Cons

• 5-year warranty is shorter than the 10-year options on this list
• Standard ATX form factor may not fit small cases
• No mention of zero-RPM fan mode

Good fit if

• You need native PCIe 5.1 support for new GPUs
• You want 80 Plus Gold efficiency
• You prefer fully modular cabling

Skip if

• You require a 10-year warranty
• You have a small form factor case
• You need a 750-watt unit

Verdict: The darkFlash PMT850 850W ATX 3.1 fits users who need modern PCIe 5.1 connectivity and reliable Japanese capacitors without paying for a longer warranty period.

7 Best 1000w

Auotac 1000W ATX 3.1 ARGB Power Supply

Best for: High-wattage builds needing ATX 3.1 support

Wattage

1000W

Efficiency Rating

80 PLUS Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Fan Size

140mm

View on Amazon: Auotac 1000W ATX 3.1 ARGB Power Supply Affiliate link

The Auotac 1000W power supply delivers high wattage with 80 PLUS Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards, featuring a native 12V-2x6 connector for modern GPUs. The fully modular design includes unique dragon-pattern cables to improve airflow. A 140mm fan provides quiet operation, while Japanese capacitors ensure stability. This unit fits most mainstream ATX cases and includes a tool kit for easier installation.

Pros

• 1000W output with 80 PLUS Gold certification
• Supports ATX 3.1 and PCIe 5.1 standards
• Includes native 12V-2x6 connector with dual-color cable
• Features a large 140mm fan for quiet operation
• Comes with a PSU tester and cable management tools

Cons

• Physical dimensions are 6x6x3.7 inches, which is bulkier than compact models
• ARGB lighting is included but lacks software control details
• Warranty is limited to 10 years, shorter than some competitors

Good fit if

• You need 1000W for high-end graphics cards
• You want a fully modular PSU with ATX 3.1 support
• You prefer a larger 140mm fan for quieter operation

Skip if

• You require a compact SFX form factor
• You need a longer warranty period than 10 years
• You want a smaller physical footprint for tight cases

Verdict: Auotac 1000W ATX 3.1 Gold PSU is a solid choice for builders needing high wattage and modern connector support. It suits users who prioritize airflow and quiet operation over compact size.

Specifications side by side

Frequently asked questions