Corsair RM750e 750W ATX 3.1 Alternatives: 6 Similar Picks Compared
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You are looking at corsair rm750e alternatives because your build requirements might differ from the original’s specifications. The Corsair RM750e 750W ATX 3.1 Power Supply offers a fully modular design with a 12V-2x6 connector for modern GPUs. It features a 120mm rifle bearing fan and Cybenetics Gold efficiency. However, you might need more wattage for a high-end graphics card or a different form factor for a smaller case. Some users prefer a white color option or a different brand for specific aesthetic or reliability reasons. Others may want a higher wattage ceiling without upgrading to a larger chassis.
We selected these alternatives because their core specifications overlap with the original unit. Each option supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. This ensures compatibility with your modern hardware regardless of the brand you choose. The list includes options ranging from 750W to 1000W to match your power needs. You will find fully modular units from Corsair, MSI, and Auotac. These picks focus on matching the essential electrical and physical traits you need for a standard ATX build.
Corsair RM750e Alternatives Compared
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x offers 850 watts, providing more headroom for high-end graphics cards than the RM750e’s 750 watts. Both units are fully modular and support ATX 3.1 with PCIe 5.1 12V-2x6 connectors. The RM850x is slightly heavier and has different dimensions, measuring 5.91 by 3.39 by 2.3 inches. You should choose this alternative if your system demands extra power for future upgrades or intensive workloads. It retains the same reliable modular design but sacrifices some compactness for increased capacity.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift shares the 750W output and ATX 3.1 standard but features a shifted connector layout for easier cable management. It is fully modular and supports PCIe 5.1. This unit is larger, measuring 6.3 by 3.39 by 5.91 inches, and weighs 3.75 pounds. It comes in white, offering a different aesthetic option compared to the black RM750e. If you prioritize clean cable routing in standard ATX cases and want a modern look, this shift design is a practical upgrade over the standard RM750e.
MSI MPG 850W Gold ATX 3.1 Power Supply
The MSI MPG A850G provides 850 watts, exceeding the RM750e’s 750W output for more robust power delivery. It is fully modular, ATX 3.1 compliant, and includes a native 12V-2x6 connector for PCIe 5.1 GPUs. This unit is significantly heavier at 7.15 pounds and measures 5.91 by 3.39 by 5.91 inches. It offers a 10-year warranty, which is longer than the typical coverage for the RM750e. Choose this if you need higher wattage and extended warranty protection for gaming builds.
MSI MAG A750GL PCIE5 750W Power Supply
The MSI MAG A750GL matches the RM750e’s 750W output and ATX 3.1 standard with a fully modular design and PCIe 5.1 support. However, it is much larger, measuring 12 by 5 by 9 inches and weighing 6.61 pounds. This bulkier form factor may not fit in all mid-tower cases. It also includes a 10-year warranty. If you have a spacious case and need a long warranty with standard wattage, this MSI option is a viable alternative, though its size is a notable trade-off compared to the compact RM750e.
Auotac 1000W ATX 3.1 ARGB Power Supply
The Auotac 1000W PSU offers significantly more power than the RM750e’s 750 watts, making it suitable for high-wattage builds. It is fully modular, ATX 3.1 compliant, and supports PCIe 5.1 with a 12V-2x6 connector. Despite its high wattage, it is compact, measuring 6 by 3.7 by 6 inches and weighing only 3.2 pounds. This makes it lighter than the RM750e. If you require maximum power capacity without increasing physical size, this Auotac unit is a strong choice for systems with power-hungry components.
Auotac 850W ATX 3.1 Fully Modular PSU
The Auotac 850W PSU provides 850 watts, offering more capacity than the RM750e’s 750W. It is fully modular, ATX 3.1 compliant, and supports PCIe 5.1 with a 12V-2x6 connector. It shares the same compact dimensions of 6 by 3.7 by 6 inches and weighs 3.2 pounds. This unit comes in white, providing a different color option. If you need extra power headroom while maintaining a small form factor and modern connector support, this Auotac alternative is a practical selection for mid-to-high-end builds.
Quick picks
Our 7 picks
Corsair RM750e 750W ATX 3.1 Power Supply
Best for: Standard ATX builds with modern GPUs
- Wattage
- 750 Watts
- Efficiency Rating
- Cybenetics Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 120mm
The Corsair RM750e is a fully modular 750W power supply that meets the ATX 3.1 standard. It features a 12V-2x6 connector for modern GPUs and includes a 120mm fan with a low-noise curve. The unit uses 105°C-rated capacitors for steady performance. This model suits builders who need PCIe 5.1 support and reliable efficiency in a standard ATX form factor.
Pros
- ATX 3.1 certified for modern platform stability
- Includes 12V-2x6 cable for PCIe 5.1 GPUs
- Fully modular cabling reduces clutter
- 105°C-rated capacitors ensure reliable electrical performance
Cons
- Cybenetics Gold rating is slightly lower than 80 Plus Gold
- 120mm fan may be less efficient at high loads than larger units
- Standard ATX dimensions limit use in small form factor cases
Good fit if
- You are building a mid-range PC with a modern GPU
- You need ATX 3.1 compliance for future-proofing
- You prefer fully modular cables for clean builds
Skip if
- You require a smaller SFX form factor
- You need maximum efficiency above Gold certification
- You are building a high-end system requiring 850W or more
Verdict: Corsair RM750e 750W ATX 3.1 fits users who want a reliable, fully modular PSU with modern GPU support for standard ATX cases. It delivers steady power without requiring a larger chassis.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: High-end gaming builds needing 850W
- Wattage
- 850W
- Efficiency Rating
- Cybenetics Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x is a fully modular power supply rated at 850W. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. The unit holds Cybenetics Gold efficiency certification. It measures 2.3 inches deep and weighs 3.9 pounds. This model suits builders needing higher wattage than the 750W alternatives on this list while maintaining low-noise operation.
Pros
- 850W power output
- Fully modular cable design
- ATX 3.1 compliance
- Cybenetics Gold efficiency rating
- Compact 2.3-inch depth
Cons
- Higher wattage may be unnecessary for mid-range builds
- Heavier at 3.9 pounds compared to lighter options
- Larger physical footprint than some compact alternatives
Good fit if
- You need 850W for high-end GPUs
- You want ATX 3.1 native support
- You prefer fully modular cabling
Skip if
- You strictly need 750W capacity
- You require the absolute lowest weight
- You are building a budget system
Verdict: Corsair RM850x 850W ATX 3.1 offers robust power for demanding graphics cards. It fits users who prioritize future-proof PCIe 5.1 support over strict budget constraints.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: clean cable management in standard ATX cases
- 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
The Corsair RM750x Shift is a fully modular 750W power supply certified for ATX 3.1 and PCIe 5.1. It features a 140mm fan and side-mounted modular connections for easier cable management. This unit uses 105°C-rated Japanese electrolytic capacitors for reliability. It suits builders who want clean interiors and modern connector support without needing higher wattage.
Pros
- ATX 3.1 and PCIe 5.1 certified for modern GPUs
- Side-mounted modular connections for easier access
- 140mm fluid dynamic bearing fan for low noise
- 105°C-rated Japanese electrolytic capacitors
Cons
- Heavier at 3.75 pounds than many competitors
- Larger dimensions may not fit small cases
- No mention of smart monitoring capabilities
Good fit if
- You need side-mounted connectors for cleaner builds
- You want ATX 3.1 support for new GPUs
- You prefer a 140mm fan for quieter operation
Skip if
- You have a small form factor case
- You need more than 750W of power
- You want a lighter power supply
Verdict: Corsair RM750x Shift 750W ATX 3.1 fits builders who prioritize cable management ease and modern PCIe 5.1 support. It is a solid choice for standard ATX cases where its size and weight are not constraints.
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: Gaming builds with modern GPUs
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MPG A850G is a fully modular power supply designed for modern gaming builds. It delivers 850W of power and meets ATX 3.1 standards with a native 12V-2x6 cable. The unit features 80 Plus Gold efficiency and Japanese 105°C capacitors. You get a 10-year warranty for long-term reliability. Its compact dimensions fit well in smaller cases.
Pros
- 850W output for high-end GPUs
- ATX 3.1 and PCIe 5.1 compliant
- Native 12V-2x6 connector included
- 80 Plus Gold efficiency rating
- 10-year limited warranty
Cons
- Heavier at 7.15 pounds than many competitors
- 850W output is lower than 1000W alternatives
- No mention of software control or monitoring
Good fit if
- You need a native 12V-2x6 cable for new GPUs
- You want 80 Plus Gold efficiency
- You prefer a 10-year warranty
Skip if
- You require 1000W or more power
- You need software-based voltage monitoring
- You prioritize the lightest possible unit
Verdict: MSI MPG A850G 850W ATX 3.1 suits gamers who need reliable power for modern graphics cards without needing excessive wattage. It is a solid choice for builds that benefit from the native 12V-2x6 connector and long warranty coverage.
MSI MAG A750GL PCIE5 750W Power Supply
Best for: Standard ATX gaming PCs with PCIe 5.1 GPUs
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MAG A750GL is a fully modular 750W power supply built for modern gaming rigs. It meets ATX 3.1 standards and includes a native 12V-2x6 connector for PCIe 5.1 compatibility. The unit carries an 80 PLUS Gold efficiency rating and a 10-year warranty. Its compact dimensions make it suitable for smaller cases, though it weighs 6.61 pounds. This PSU is designed to deliver stable power for high-end graphics cards.
Pros
- ATX 3.1 and PCIe 5.1 ready
- 80 PLUS Gold efficiency rating
- 10-year limited warranty
- Native 12V-2x6 connector
Cons
- Heavier than some competitors at 6.61 pounds
- Standard ATX form factor dimensions may not fit tight spaces
- No mention of low-noise fan control modes
Good fit if
- You need a native 12V-2x6 connector for new GPUs
- You want a 10-year warranty for long-term reliability
- You are building a standard ATX gaming PC
Skip if
- You require a fully compact or SFX form factor
- You need a lower wattage like 650W
- You prefer a white color scheme
Verdict: MSI MAG A750GL 750W ATX 3.1 is a solid choice for gamers needing PCIe 5.1 support and a long warranty. It fits standard mid-tower cases well but may be too bulky for small form factor builds.
Auotac 1000W ATX 3.1 ARGB Power Supply
Best for: High-wattage builds with modern GPUs
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 140mm
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. A 140mm fan provides quiet operation, and Japanese capacitors ensure stability. This unit suits users needing significant power headroom for high-end builds.
Pros
- 1000W output capacity
- 80 PLUS Gold efficiency rating
- ATX 3.1 and PCIe 5.1 compliance
- Native 12V-2x6 connector
- 10-year limited warranty
Cons
- Heavier build at 3.2 pounds
- ARGB lighting may not suit minimal aesthetics
- Larger dimensions than compact 750W units
Good fit if
- You need extra power for high-end GPUs
- You want full modularity for clean builds
- You prefer quiet 140mm fan operation
Skip if
- You require a compact SFX form factor
- You prefer a 750W unit for efficiency
- You want a standard black cable design
Verdict: Auotac 1000W Gold ATX 3.1 PSU is a robust option for users building systems with power-hungry graphics cards who prioritize capacity and modern connector standards over compact size.
Auotac 850W ATX 3.1 Fully Modular PSU
Best for: modern GPU builds with PCIe 5.1
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 140mm
The Auotac 850W is a fully modular power supply built for modern builds. It carries an 80 PLUS Gold efficiency rating and supports ATX 3.1 standards. You get a native 12V-2x6 connector for PCIe 5.1 GPUs. The unit uses a 140mm fan and includes a dual-color cable for clear connection status. It also comes with a tool kit for easier installation.
Pros
- 80 PLUS Gold efficiency rating
- ATX 3.1 and PCIe 5.1 support
- 140mm silent fan for better airflow
- Dual-color 12V-2x6 cable for easy verification
- Includes PSU tester and cable management tools
Cons
- ARGB lighting may not suit minimal setups
- Larger 140mm fan size limits case compatibility
- White color option only in primary listing
Good fit if
- You need native PCIe 5.1 support for new GPUs
- You want gold efficiency for lower power costs
- You value included tools for cable management
Skip if
- You prefer a standard 120mm fan for tight cases
- You want a black color option only
- You need a non-modular design for simplicity
Verdict: Auotac 850W ATX 3.1 Gold PSU fits users building with latest PCIe 5.1 graphics cards who want efficient power delivery and included installation tools. It is a solid choice for mid-to-high end builds where cable management and modern standards matter.
Specifications side by side
| Spec | Corsair RM750e 750W ATX 3.1 Power Supply | Corsair RM850x 850W Fully Modular ATX 3.1 PSU | Corsair RM750x Shift White 750W ATX Power Supply | MSI MPG 850W Gold ATX 3.1 Power Supply | MSI MAG A750GL PCIE5 750W Power Supply | Auotac 1000W ATX 3.1 ARGB Power Supply | Auotac 850W ATX 3.1 Fully Modular PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 750 Watts | 850W | 750W | 850W | 750W | 1000W | 850W |
| Efficiency Rating | Cybenetics Gold | Cybenetics Gold | 80 Plus Gold | 80+ Gold | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Gold |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 |
| PCIe Connector Type | 12V-2x6 | 12V-2x6 | not specified | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 |
| Fan Size | 120mm | not specified | 140mm | not specified | not specified | 140mm | 140mm |
| Warranty | not specified | not specified | not specified | 10 Year | 10 Year | 10-Year | 10-Year |
| Form Factor | ATX | ATX | ATX | ATX | ATX | ATX | ATX |
| PCIe Version | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 |
| Recommended Use | not specified | not specified | not specified | Gaming | Gaming | not specified | not specified |
| Connector | 12V-2x6 Connector | 12V-2x6 Connector | not specified | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector |
| Size | 750W | 850W | 750W | 850W | 750W (PCIE 5) | 1000W | 850W |
| Dimensions | 5.91 × 5.51 × 3.35 inches | 2.3 × 3.39 × 5.91 inches | 6.3 × 5.91 × 3.39 inches | 5.91 × 5.91 × 3.39 inches | 12 × 9 × 5 inches | 6 × 6 × 3.7 inches | 6 × 6 × 3.7 inches |
| Weight | 3.3 pounds | 3.9 pounds | 3.75 pounds | 7.15 pounds | 6.61 pounds | 3.2 pounds | 3.2 pounds |
| Color | Black | Black | White | not specified | Black | Black | White |
| Model | CP-9020295-NA | not specified | CP-9020273-NA | MPG A850G PCIE 5 | 306-7ZP8B11-CE0 | not specified | not specified |
When planning your chassis clearance, you can compare corsair frame 4500x lx RGB alternatives for compatible enclosure dimensions.
Frequently asked questions
Is there a Corsair RM750e alternative with more wattage?
Yes, the Corsair RM850x 850W ATX 3.1 PSU provides 100 more watts than the RM750e. It retains the fully modular design and PCIe 5.1 support. This extra headroom suits high-end gaming builds needing robust power delivery for demanding graphics cards without requiring a larger chassis.
Does the Corsair RM750x Shift have a different connector layout?
The Corsair RM750x Shift White 750W ATX Power Supply uses a side-mounted connector layout. This design improves cable management in standard ATX cases. It shares the same 750W capacity and PCIe 5.1 support as the RM750e, making it a direct alternative for builders prioritizing tidy wiring.
Are there MSI alternatives to the Corsair RM750e?
The MSI MPG 850W Gold ATX 3.1 and MSI MAG A750GL PCIE5 750W are available options. Both feature fully modular designs and PCIe 5.1 connectors. The MPG model offers 850W, while the MAG provides 750W. They suit gamers needing reliable power for modern graphics cards in standard ATX builds.
Can I find a 1000W alternative for heavy workloads?
The Auotac 1000W ATX 3.1 ARGB Power Supply offers 1000W of capacity. It is fully modular and supports PCIe 5.1 with a 12V-2x6 connector. This unit fits users building systems with power-hungry graphics cards who prioritize high wattage and modern connector standards over compact size or brand familiarity.
Is there a white Corsair RM750e alternative?
The Corsair RM750x Shift White 750W ATX Power Supply provides a white color option. It matches the RM750e’s 750W output and ATX 3.1 compliance. The side-mounted connectors aid cable management. It is a solid choice for standard ATX cases where aesthetics and modern GPU support matter.
Does the Auotac 850W offer similar specs to the RM750e?
The Auotac 850W ATX 3.1 Fully Modular PSU provides 100 more watts than the RM750e. It includes a 12V-2x6 connector for PCIe 5.1 GPUs. Available in white, it suits modern GPU builds. This unit delivers efficient power delivery for mid-to-high end systems where cable management and current standards are important.
Which alternative is best for compact builds?
The Corsair RM750e and its direct alternatives like the RM850x and RM750x Shift are standard ATX size. The MSI MAG A750GL is notably larger and may not fit small form factor cases. For compact builds, sticking to standard ATX dimensions like those in the Corsair RM series ensures better compatibility with smaller chassis.
Do these alternatives support the latest GPU connectors?
Yes, all listed alternatives support PCIe 5.1 and include the 12V-2x6 connector. This native support eliminates the need for adapter cables for modern graphics cards. Whether you choose the Corsair RM series, MSI MPG/MAG, or Auotac models, you get direct compatibility with the latest GPU power standards.