HIGH Power 750W ATX 3.1 Gold Alternatives: 6 Similar Picks Compared
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The high power 750w 80 plus gold certified PC power supply alternatives you see here share core specifications with the original HIGH Power model. That baseline unit delivers 750 watts with an 80 Plus Gold efficiency rating and ATX 3.1 compatibility. It supports PCIe 5.1 standards and includes active PFC for stable power delivery. These features make it suitable for standard ATX cases that need modern GPU connectivity.
You might look elsewhere if your build requires different dimensions or modularity. The original measures 10 inches in length and 4 inches in height. Some alternatives offer fully modular cables for cleaner installs, while others provide higher wattage like 850 watts. Several options also feature side-mounted connectors or different fan sizes. We selected these picks because their specs overlap with the original, ensuring they meet similar performance needs while offering variations in size, cable management, or brand preference.
Our top pick: HIGH Power 750W ATX 3.1 Gold Power Supply.
How these alternatives differ
Thermaltake Toughpower GX3 850W Gold PSU
The Thermaltake Toughpower GX3 provides 850 watts of power, which is higher than the 750 watts in the HIGH Power unit. It shares the same ATX 3.1 and PCIe 5.1 standards, ensuring modern GPU compatibility. This model includes a 12V-2x6 connector and features a 120mm fan for cooling. It measures 5.5 by 3.4 by 5.9 inches, making it slightly more compact than the original. You should choose this if you need extra wattage for high-end graphics cards while staying within a standard ATX form factor. The 80 Plus Gold rating ensures efficient power delivery.
Redragon 850W Gold ATX 3.1 Power Supply
The Redragon 850W Gold offers 850 watts of output, exceeding the 750 watts of the original. It is fully ATX 3.1 and PCIe 5.1 compliant, matching the original's modern connectivity. However, it is non-modular, meaning you must manage all cables rather than connecting only what you need. It measures 3.35 by 5.51 by 5.91 inches, which is a different profile than the original. This unit suits builders who prioritize efficiency and power over cable management flexibility. It is a practical option for compact cases where space is limited but high wattage is required.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift delivers 850 watts, providing more headroom than the 750-watt original. It is fully modular, allowing you to connect only the cables you use, which the original does not offer. It shares the ATX 3.1 and PCIe 5.1 standards for future-proofing. Its dimensions are 5.91 by 3.39 by 6.3 inches, offering a compact footprint despite the higher power output. This model is ideal for builders planning to upgrade to next-generation GPUs soon. You get robust power in a smaller form factor with the benefit of clean cable management.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift matches the 750-watt output of the original but adds fully modular cabling for better cable management. It is ATX 3.1 and PCIe 5.1 compatible, ensuring support for modern components. The key difference is its side-mounted connector design, which simplifies access to cables in tight spaces. It measures 5.91 by 3.39 by 6.3 inches, which is more compact than the original. This unit is best for users who prioritize clean aesthetics and easy cable access. You get the same wattage with improved organization and modern connectivity standards.
MSI MPG 850W Gold ATX 3.1 Power Supply
The MSI MPG 850W Gold provides 850 watts, which is 150 watts more than the original. It is fully modular and supports ATX 3.1 and PCIe 5.1 standards. This unit includes a 12V-2x6 connector and features a 10-year warranty, which is longer than the typical coverage for similar units. It measures 5.91 by 3.39 by 5.91 inches and weighs 7.15 pounds. It is a robust choice for builders upgrading to power-hungry components. You should pick this if you prioritize long-term reliability and native PCIe 5.1 support over compact size.
MSI MAG A750GL PCIE5 750W Power Supply
The MSI MAG A750GL matches the 750-watt output of the original but is fully modular, offering better cable management flexibility. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. This unit includes a 10-year warranty, providing peace of mind for long-term use. It measures 9 by 5 by 12 inches, making it larger than the original. It is designed for standard ATX gaming builds. You should choose this if you need modern connectivity and a longer warranty in a standard form factor. It fits well where 750 watts is sufficient for your GPU and CPU.
Quick picks
Our 7 picks
HIGH Power 750W ATX 3.1 Gold Power Supply
Best for: Standard ATX cases needing PCIe 5.1 support
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.1
- Fan Size
- 120mm
- PCIe Version
- PCIe 5.1
- Power Factor Correction
- Active PFC
View on Amazon: HIGH Power 750W ATX 3.1 Gold Power Supply Affiliate link
This 750-watt power supply delivers stable energy with 80 Plus Gold efficiency. It supports the latest ATX 3.1 standard and includes native PCIe 5.1 compliance for modern graphics cards. The unit measures 10 by 8 by 4 inches and weighs 4.1 pounds. You get active PFC and a 120mm fan for quiet operation. It fits well in standard ATX cases for gaming or workstation builds.
Pros
- 80 Plus Gold efficiency rating for reduced power waste
- ATX 3.1 compatibility with PCIe 5.1 support
- Active PFC for stable voltage regulation
- 120mm fan with intelligent temperature control
Cons
- Fixed 10-inch depth may not fit small form factor cases
- Heavier at 4.1 pounds compared to compact alternatives
- No mention of fully modular cabling in specifications
Good fit if
- You need native PCIe 5.1 support for new GPUs
- You want high efficiency to lower electricity usage
- You have a standard ATX case with ample space
Skip if
- You require a fully modular cable design
- You are building in a compact or SFF chassis
- You need a smaller 120mm fan for silent operation
Verdict: HIGH POWER 750W ATX 3.1 Gold PSU offers solid modern connectivity and efficiency for standard builds. It suits users prioritizing PCIe 5.1 readiness and energy savings over compact size or modular flexibility.
Thermaltake Toughpower GX3 850W Gold PSU
Best for: High-end GPUs in standard ATX cases
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 120mm
- Warranty
- 5 Year
View on Amazon: Thermaltake Toughpower GX3 850W Gold PSU Affiliate link
This Thermaltake unit delivers 850W of power with 80 Plus Gold efficiency. It supports ATX 3.1 standards and includes a native PCIe 5.1 12V-2x6 connector for modern graphics cards. The 120mm fan uses a fluid dynamic bearing for quiet operation. You get a 5-year warranty on this fully modular design. It fits well if you need high wattage and next-gen compatibility.
Pros
- 850W output capacity
- 80 Plus Gold efficiency rating
- Native PCIe 5.1 12V-2x6 connector
- ATX 3.1 compatible
- 5-year warranty coverage
Cons
- Larger 120mm fan size
- 5.9 inches length
- Standard ATX form factor
Good fit if
- You need 850W for high-end GPUs
- You want ATX 3.1 compatibility
- You prefer a 5-year warranty
Skip if
- You need a compact SFX unit
- You require 1600W or more
- You want a 10-year warranty
Verdict: Thermaltake Toughpower GX3 850W ATX 3.1 suits builders needing high wattage and PCIe 5.1 support. It is a solid choice for mid-tower cases with standard PSU bays.
Redragon 850W Gold ATX 3.1 Power Supply
Best for: Compact builds needing ATX 3.1 support
- 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
This Redragon unit delivers 850 watts with 80 Plus Gold efficiency and ATX 3.1 compatibility. It includes a native 12VHPWR connector for modern GPUs. The non-modular design keeps costs down but requires managing more cables. You get a compact 150mm form factor that fits smaller cases. It uses Japanese capacitors for stability and a 120mm fan for cooling.
Pros
- 80 Plus Gold efficiency rating
- ATX 3.1 and PCIe 5.1 ready
- Includes 12VHPWR cable
- 150mm compact chassis size
- Uses 100% Japanese capacitors
Cons
- Non-modular cable design
- 120mm fan size is smaller than typical 135mm or 140mm units
- No RGB lighting in the base black version
Good fit if
- You need ATX 3.1 support on a budget
- You want high efficiency for lower heat
- You are building a compact PC case
Skip if
- You require fully modular cables for clean builds
- You prefer larger 135mm or 140mm fans for silence
- You need a specific RGB lighting scheme
Verdict: Redragon 850W ATX 3.1 Gold suits builders who prioritize efficiency and modern GPU compatibility over cable management flexibility. It is a practical option for compact cases where space is tight.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: Users needing 850W in a compact form
- 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
This Corsair unit delivers 850W of power with 80 Plus Gold efficiency. It supports ATX 3.1 standards and includes native PCIe 5.1 connectors. The fully modular design helps manage cable clutter. Its compact 5.91-inch width fits smaller cases. You get reliable power for high-end builds without excessive bulk.
Pros
- 850W output capacity
- 80 Plus Gold efficiency rating
- ATX 3.1 compatibility
- Native PCIe 5.1 connectors
- Fully modular cable design
Cons
- Heavier at 3.75 pounds
- Larger than 750W alternatives
- Higher wattage than needed for 750W builds
Good fit if
- You need extra headroom for future GPU upgrades
- You want native PCIe 5.1 support
- You prefer fully modular cables
Skip if
- You are strictly limited to 750W builds
- You have a very small case with tight width constraints
- You want a lighter power supply
Verdict: Corsair RM850x Shift 850W ATX 3.1 offers robust power for users who need more than 750W but still want compact dimensions. It is ideal for builders planning to upgrade to next-gen GPUs soon.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: clean cable management and ATX 3.1 support
- 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 750W fully modular power supply with 80 Plus Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards. The side-mounted modular connections simplify cable management. A 140mm fan ensures quiet operation. This unit suits builders who want clean builds and reliable power delivery for modern graphics cards.
Pros
- Side-mounted modular connections for easier access
- ATX 3.1 and PCIe 5.1 compatible
- 140mm fluid dynamic bearing fan
- Fully modular micro-fit connectors
Cons
- Heavier than some competitors at 3.75 pounds
- Larger width of 5.91 inches
- No mention of zero RPM fan mode
Good fit if
- You want cleaner cable management
- You need ATX 3.1 support
- You prefer side-mounted connectors
Skip if
- You need a smaller form factor
- You want a lighter unit
- You require zero RPM fan mode
Verdict: Corsair RM750x Shift 750W ATX 3.1 offers side-mounted connectors for cleaner builds. It fits users prioritizing ATX 3.1 compatibility and easy cable access.
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: High-end gaming builds needing 850W
- 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 delivers 850W of power with 80 Plus Gold efficiency and ATX 3.1 compatibility. It includes a native 12V-2x6 PCIe cable for modern graphics cards. The unit uses 100% Japanese 105°C capacitors for stable operation. You get a fully modular design to manage cables easily. This power supply suits gamers needing reliable high-wattage performance with a 10-year warranty.
Pros
- 850W output capacity
- 80 Plus Gold efficiency rating
- Native 12V-2x6 PCIe connector
- 10-year limited warranty
- Fully modular cable design
Cons
- Heavier at 7.15 pounds
- Larger dimensions than 750W alternatives
- No mention of zero-RPM fan mode
Good fit if
- You need 850W for high-end GPUs
- You want a 10-year warranty
- You prefer fully modular cables
Skip if
- You strictly need 750W
- You require the smallest possible form factor
- You want a quieter fan profile
Verdict: MSI MPG A850G 850W Gold PSU is a robust choice for builders upgrading to power-hungry components. It fits users who prioritize long-term reliability and native PCIe 5.1 support over compact size.
MSI MAG A750GL PCIE5 750W Power Supply
Best for: standard ATX gaming builds
- 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 is a 750W power supply with 80 Plus Gold efficiency and ATX 3.1 support. It features a fully modular design and includes a native 12V-2x6 connector for modern graphics cards. The unit measures 12 by 9 by 5 inches and weighs 6.61 pounds. It carries a 10-year limited warranty. This model suits gamers who need reliable high-power delivery in a standard ATX form factor.
Pros
- 80 Plus Gold efficiency rating
- Fully modular cable design
- Native 12V-2x6 PCIe connector
- ATX 3.1 compatibility
- 10-year limited warranty
Cons
- 750W output is lower than the 850W options on this list
- Standard 12-inch depth may not fit smaller cases
- No mention of fan noise levels or acoustic performance
Good fit if
- You need a 750W unit with modern PCIe 5.1 support
- You prefer fully modular cables for cleaner builds
- You want a 10-year warranty for long-term reliability
Skip if
- You require more than 750W of power
- You are building in a small form factor case with tight depth limits
- You prefer higher wattage options like the 850W models listed
Verdict: MSI MAG A750GL 750W ATX 3.1 is a solid choice for gamers who need modern PCIe 5.1 connectivity and a 10-year warranty. It fits well in standard ATX cases where 750W is sufficient for your GPU and CPU.
Specifications side by side
| Spec | HIGH Power 750W ATX 3.1 Gold Power Supply | Thermaltake Toughpower GX3 850W Gold PSU | Redragon 850W Gold ATX 3.1 Power Supply | Corsair RM850x Shift 850W White ATX Power Supply | Corsair RM750x Shift White 750W ATX Power Supply | MSI MPG 850W Gold ATX 3.1 Power Supply | MSI MAG A750GL PCIE5 750W Power Supply |
|---|---|---|---|---|---|---|---|
| Wattage | 750W | 850W | 850 Watt | 850W | 750W | 850W | 750W |
| Efficiency Rating | 80 Plus Gold | 80 Plus Gold | 80+ Gold | 80 Plus Gold | 80 Plus Gold | 80+ Gold | 80 PLUS Gold |
| Modularity | not specified | not specified | Non-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 | not specified | 12V-2x6 | 12VHPWR | PCIe 5.1 | not specified | 12V-2x6 | 12V-2x6 |
| Fan Size | 120mm | 120mm | 120mm | not specified | 140mm | not specified | not specified |
| Warranty | not specified | 5 Year | not specified | not specified | not specified | 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 | not specified | not specified | Gaming | Gaming |
| Connector | not specified | 12V-2x6 Connector | not specified | not specified | not specified | 12V-2x6 Connector | 12V-2x6 Connector |
| Power Factor Correction | Active PFC | not specified | Active PFC | not specified | not specified | not specified | not specified |
| Size | not specified | 850W | 850 Watts | 850W | 750W | 850W | 750W (PCIE 5) |
| Dimensions | 10 × 8 × 4 inches | 5.9 × 5.5 × 3.4 inches | 5.91 × 3.35 × 5.51 inches | 6.3 × 5.91 × 3.39 inches | 6.3 × 5.91 × 3.39 inches | 5.91 × 5.91 × 3.39 inches | 12 × 9 × 5 inches |
| Weight | 4.1 pounds | not specified | not specified | 3.75 pounds | 3.75 pounds | 7.15 pounds | 6.61 pounds |
| Color | not specified | Black | not specified | White | White | not specified | Black |
| Model | not specified | PS-TPD-0850NNFAGU-3 | RGMS-850W | not specified | CP-9020273-NA | MPG A850G PCIE 5 | 306-7ZP8B11-CE0 |
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Frequently asked questions
Which 750W ATX 3.1 PSU offers side-mounted connectors?
The Corsair RM750x Shift 750W features side-mounted connectors. This design helps you achieve cleaner cable management inside your case. It is fully modular and supports PCIe 5.1. The unit measures 5.91 inches wide and 6.3 inches long. It is ideal if you prioritize easy cable access and modern GPU compatibility.
What is the most compact 750W option on this list?
The HIGH Power 750W ATX 3.1 Gold is the most compact standard ATX option listed. It measures 8 inches wide, 4 inches high, and 10 inches long. It provides 750 watts with an 80 Plus Gold rating. It includes a 120mm fan and supports PCIe 5.1. This size fits well in standard ATX cases needing modern connectivity.
Which model provides the longest warranty coverage?
The MSI MPG 850W Gold and MSI MAG A750GL both offer a 10-year warranty. The MSI MPG 850W is fully modular and supports PCIe 5.1. The MSI MAG A750GL is also fully modular and includes a 12V-2x6 connector. Both are designed for gaming builds requiring long-term reliability and native support for next-generation graphics cards.
Are there non-modular alternatives with 850W output?
Yes, the Redragon 850W Gold ATX 3.1 is non-modular. It delivers 850 watts with an 80 Plus Gold efficiency rating. It supports PCIe 5.1 and features Active PFC. The unit measures 3.35 inches wide and 5.91 inches long. It is a practical choice for compact builds where you do not need modular cable flexibility.
Which PSU is best for high-end GPUs in standard cases?
The Thermaltake Toughpower GX3 850W is suited for high-end GPUs. It provides 850 watts of power with an 80 Plus Gold rating. It supports ATX 3.1 and PCIe 5.1 standards. The unit includes a 12V-2x6 connector and a 120mm fan. It fits well in mid-tower cases with standard PSU bays, offering robust power for demanding components.
Can I find a white 850W fully modular option?
The Corsair RM850x Shift 850W is available in white. It is fully modular and supports ATX 3.1 and PCIe 5.1. The unit measures 5.91 inches wide and 6.3 inches long. It weighs 3.75 pounds. This model is ideal for builders needing more than 750 watts while maintaining a compact form factor and clean aesthetic.
Which 750W model is best for clean cable management?
The Corsair RM750x Shift 750W is best for clean cable management. It features side-mounted connectors to reduce clutter. It is fully modular and supports PCIe 5.1. The unit measures 5.91 inches wide and 6.3 inches long. It is designed for users who prioritize ATX 3.1 compatibility and easy access to cables during installation.
Is there a 750W PSU with a 12V-2x6 connector?
The MSI MAG A750GL PCIE5 includes a 12V-2x6 connector. It provides 750 watts with an 80 Plus Gold rating. It supports ATX 3.1 and PCIe 5.1 standards. The unit is fully modular and measures 9 inches wide and 12 inches long. It is a solid choice for standard ATX gaming builds requiring modern GPU connectivity.