ASRock PRO 750G Power Supply Alternatives: 6 Similar Picks Compared
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The ASRock PRO 750G 750W power supply delivers 80 PLUS Gold efficiency with ATX 3.1 and PCIe 5.1 compliance. If you need different specifications, exploring asrock pro 750g power supply alternatives helps you find the right fit for your build. The original unit provides solid baseline specs, including a native 12V-2x6 connector supporting up to 450W, a 120mm cooling fan, and standard ATX case compatibility. It suits mid-range configurations, backed by a 3-year warranty.
You might want an alternative if your system demands more headroom than 750W, such as an 850W or 1000W unit. Other models offer fully modular cable management, longer warranty coverage reaching 5 or 10 years, or connectors supporting up to 600W. You may also prefer a different brand or physical layout for specific chassis clearance. This guide compares 6 power supplies selected because their core specifications overlap with the original ASRock model. Every featured option maintains ATX 3.1 compliance, PCIe 5.1 support, and 80 PLUS Gold efficiency.
Our top pick: ASRock PRO 750G 750W ATX 3.1 Power Supply.
Comparing ASRock PRO 750G Alternatives
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W increases total output to 850W over the 750W capacity of the ASRock PRO 750G. It also introduces a fully modular cable design, letting you attach only the cables you need for your system. MSI backs this unit with a 10-year warranty, which extends well past the 3-year warranty provided by ASRock. Both units share 80 PLUS Gold efficiency, ATX 3.1 compliance, and a dedicated 12V-2x6 connector for PCIe 5.1 cards. However, the MSI unit requires significantly more installation room due to its 12-inch length versus the compact 5.51-inch depth of the ASRock. You should choose this model if your chassis accommodates larger dimensions and your gaming setup requires 850W capacity alongside modular cabling.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift matches the 750W capacity and 80 PLUS Gold efficiency of the ASRock PRO 750G while changing cable management. It features a fully modular, side-mounted connector panel that provides direct access from your PC case side panel. It also comes in a white finish and weighs 3.75 pounds, which is lighter than the 4.78-pound ASRock. However, you give up standard rear-facing cable connections, and its 6.3-inch length is longer than the 5.51-inch ASRock casing. It also requires side clearance behind the motherboard tray to route cables safely. You should pick this alternative if your chassis has open side access and you want a white, fully modular power supply.
MSI MPG 850W Gold ATX 3.1 Power Supply
The MSI MPG 850W provides 850W of continuous power, offering 100W more headroom than the 750W ASRock PRO 750G. It adds Japanese capacitors, fully modular cabling, and a 10-year warranty compared to ASRock's 3-year term. Both power supplies support ATX 3.1 and PCIe 5.1 with dedicated 12V-2x6 power connections and 80 PLUS Gold efficiency. On the other hand, the MSI MPG unit weighs 7.15 pounds, making it significantly heavier than the 4.78-pound ASRock. Its 5.91-inch length is also slightly deeper than the 5.51-inch ASRock body. You should choose this unit if you need higher wattage capacity, modular cable routing, and longer warranty protection for a high-performance gaming PC.
Thermaltake Toughpower GF3 1000W ATX 3.1
The Thermaltake Toughpower GF3 delivers 1000W of total power, providing 250W more output than the 750W ASRock PRO 750G. Its native 12V-2x6 connector delivers up to 600W for PCIe 5.1 graphics cards, surpassing the 450W limit on the ASRock connector. At 3.95 pounds, the GF3 is also lighter than the 4.78-pound ASRock unit, and it incorporates fully modular cabling. In exchange, its housing measures 6.3 inches long, requiring more clearance in your case than the 5.51-inch ASRock. It also provides far more capacity than necessary for mid-tier hardware. You should select this power supply if you run demanding graphics hardware that requires 1000W capacity and 600W PCIe 5.1 output.
MSI MAG 850W Gold Fully Modular PSU
The MSI MAG A850GL supplies 850W of power, giving your build 100W more output than the 750W ASRock PRO 750G. It features a fully modular interface, allowing you to disconnect unnecessary cables to improve interior airflow. You also receive a 10-year warranty, which substantially exceeds the 3-year warranty included with the ASRock unit. Both models feature 80 PLUS Gold efficiency, ATX 3.1 architecture, and PCIe 5.1 compatibility through a 12V-2x6 connector. To gain these benefits, you must accommodate larger physical dimensions, as the MSI measures 12 inches long versus 5.51 inches on the ASRock. Choose this model if you need 850W of modular power and long warranty coverage.
Thermaltake Toughpower GX3 850W Gold PSU
The Thermaltake Toughpower GX3 raises power capacity to 850W compared to the 750W rating of the ASRock PRO 750G. Both power supplies utilize a 120mm cooling fan, but the Thermaltake model specifies a fluid dynamic bearing for its fan assembly. It also provides a 5-year warranty, giving you two additional years of coverage compared to ASRock's 3-year warranty. Both options provide 80 PLUS Gold efficiency, ATX 3.1 compliance, and a dedicated 12V-2x6 connector for PCIe 5.1 hardware. However, the GX3 has a slightly longer 5.9-inch chassis compared to the 5.51-inch ASRock casing. You should pick this unit if you need 850W output with fluid dynamic bearing cooling and longer warranty coverage.
Quick picks
Our 7 picks
ASRock PRO 750G 750W ATX 3.1 Power Supply
Best for: mid-range systems needing ATX 3.1 standards
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 120mm
- Warranty
- 3-Year
The ASRock PRO 750G is a 750W ATX 3.1 power supply built for modern hardware. It features 80 PLUS Gold efficiency reaching up to 90% and includes a native 12V-2x6 PCIe 5.1 connector rated for up to 450W. A 120mm cooling fan maintains airflow inside standard ATX cases. You get current power standards suited for mid-range to high-end components.
Pros
- ATX 3.1 and PCIe 5.1 compliance
- Native 12V-2x6 connector delivers up to 450W
- 80 PLUS Gold certified for up to 90% efficiency
- Compact 5.51-inch length fits standard ATX cases
Cons
- 3-year warranty is shorter than industry standards
- 12V-2x6 connector limited to 450W instead of 600W
Good fit if
- You need a native 12V-2x6 cable for a modern graphics card.
- You want an ATX 3.1 power supply with 80 PLUS Gold efficiency.
Skip if
- You run high-draw graphics cards requiring a 600W 12V-2x6 connection.
- You require a power supply with more than a 3-year warranty.
Verdict: ASRock PRO 750G 750W Gold ATX 3.1 PSU delivers up-to-date PCIe 5.1 power delivery with 80 PLUS Gold efficiency for mid-tier builds. Its 450W connector limit and 3-year warranty define its performance boundaries.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: gaming builds needing 850W and PCIe 5.1
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This MSI unit provides 850W of continuous power with an 80 Plus Gold efficiency rating and full modularity. It adheres to the ATX 3.1 standard and includes a native 12V-2x6 PCIe 5.1 connector for modern graphics cards. A 10-year warranty backs the hardware. If you need higher wattage than a 750W model while keeping dedicated PCIe 5.1 cabling, this unit suits your gaming setup.
Pros
- 850W output with 80 Plus Gold certified efficiency
- ATX 3.1 compliance with native PCIe 5.1 12V-2x6 connector
- Fully modular cable configuration
- 10-year manufacturer warranty
Cons
- 80 Plus Gold efficiency rather than Platinum or Titanium
- Standard ATX form factor does not fit SFX-only enclosures
Good fit if
- You want 850W of power for gaming builds requiring a native 12V-2x6 PCIe 5.1 cable.
- You want fully modular cabling to keep only needed wires in your chassis.
- You prefer long-term coverage with a 10-year warranty.
Skip if
- You need higher capacity than 850W for multi-GPU or extreme-draw hardware.
- You require an SFX or compact small-form-factor power supply for a tight case.
Verdict: MSI MAG 850W ATX 3.1 Power Supply provides 850W of Gold-rated power and modern PCIe 5.1 connectivity in a fully modular format. It serves as a dependable upgrade over standard 750W alternatives for gaming rigs.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: chassis with side cable clearance
- 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 750W fully modular power supply built for ATX 3.1 and PCIe 5.1 standards. It delivers 80 Plus Gold efficiency and features side-mounted Type 5 micro-fit cable terminals. A 140mm fluid dynamic bearing fan provides cooling. You get 105°C-rated Japanese electrolytic capacitors for stable power delivery. This unit suits you if your PC case has clearance for side-facing modular connectors.
Pros
- Side-mounted modular panel for direct cable access
- ATX 3.1 certified with PCIe 5.1 support
- 140mm fluid dynamic bearing fan
- 100% 105°C-rated Japanese electrolytic capacitors
Cons
- Side connections require specific chassis clearance behind the PSU
- Uses proprietary Type 5 micro-fit connectors instead of standard legacy plugs
Good fit if
- You have a PC chassis with dedicated side-panel clearance for power cables.
- You need 750W of 80 Plus Gold power compliant with ATX 3.1 standards.
- You prefer compact Type 5 micro-fit cabling to save space inside the case.
Skip if
- You have a compact case that blocks access to side-mounted modular ports.
- You plan to reuse standard Type 3 or Type 4 modular PSU cables.
Verdict: Corsair RM750x Shift 750W Modular PSU provides efficient ATX 3.1 power delivery via an unconventional side-facing interface. It serves modern graphics hardware well if your case provides adequate side access.
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: modern high-performance gaming systems
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This MSI unit provides 850 watts of power with 80 Plus Gold efficiency and full modularity. It meets ATX 3.1 and PCIe 5.1 standards, including a native 12V-2x6 connector for modern graphics cards. The unit also features 100 percent Japanese 105-degree Celsius capacitors and a 10-year warranty. You will find it suitable if you need reliable power headroom, durable internal parts, and clean cable management for a high-demand gaming build.
Pros
- ATX 3.1 and PCIe 5.1 compliance with native 12V-2x6 connector
- 100% Japanese 105°C capacitors
- Fully modular cable design
- 10-year limited warranty
- 80 Plus Gold certified efficiency
Cons
- Efficiency caps at 80 Plus Gold rather than Platinum or Titanium
- Total weight of 7.15 pounds adds noticeable mass to portable enclosures
Good fit if
- You want an 850W power supply equipped with a native 12V-2x6 connector.
- You prioritize long-term durability with Japanese 105°C capacitors and a 10-year warranty.
Skip if
- You need higher capacity than 850 watts for extreme multi-GPU hardware configurations.
- You seek higher electrical efficiency tiers such as 80 Plus Platinum or Titanium.
Verdict: MSI MPG 850W Gold Modular Power Supply delivers dependable ATX 3.1 power with Japanese capacitors and native PCIe 5.1 connectivity. It offers a well-built, high-headroom foundation for modern gaming hardware backed by a 10-year warranty.
Thermaltake Toughpower GF3 1000W ATX 3.1
Best for: high-power systems needing 1000W ATX 3.1 support
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Full Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135mm
The Thermaltake Toughpower GF3 1000W is a fully modular power supply built to ATX 3.1 standards. It delivers 1000 watts of power with 80 Plus Gold efficiency and features a native PCIe 5.1 12V-2x6 connector capable of routing up to 600W to your graphics card. A 135mm fan manages cooling inside the 6.3-inch casing. This unit suits you if you need higher wattage capacity and modern cable standards for demanding GPU setups.
Pros
- Delivers 1000W output with 80 Plus Gold efficiency
- Native PCIe 5.1 12V-2x6 connector supplies up to 600W
- Fully modular flat cables with matcha seating indicator
- 135mm cooling fan
Cons
- 6.3-inch length is longer than standard compact chassis baselines
- 80 Plus Gold efficiency rather than Platinum or Titanium
Good fit if
- You need 1000W of total output for high-draw hardware.
- You want a native 12V-2x6 connector capable of 600W delivery.
- You prefer flat modular cabling to ease routing.
Skip if
- You only require a baseline 750W or 850W power envelope.
- You need a compact supply shorter than 6.3 inches.
Verdict: Thermaltake Toughpower GF3 1000W ATX 3.1 PSU provides 1000 watts of fully modular power and native 600W PCIe 5.1 delivery for demanding hardware. It serves as a high-capacity step up when 750W or 850W options fall short of your build requirements.
MSI MAG 850W Gold Fully Modular PSU
Best for: 850W gaming systems needing ATX 3.1 power
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This MSI unit is an 850W ATX power supply built to the ATX 3.1 and PCIe 5.1 standards. You get fully modular cabling, 80 PLUS Gold efficiency certification, and a dedicated 12V-2x6 connector for modern graphics cards. It gives you 100W more headroom than standard 750W alternatives and includes a 10-year warranty. You will find it well suited for mid- to high-tier gaming systems needing clean cable management and updated power delivery.
Pros
- 850W total output with 80 PLUS Gold efficiency
- ATX 3.1 and PCIe 5.1 compliant with native 12V-2x6 support
- Fully modular cable interface
- 10-year manufacturer warranty
Cons
- 80 PLUS Gold efficiency rather than Platinum
- Standard ATX casing requires standard chassis clearance
Good fit if
- You need an 850W power envelope with native ATX 3.1 and PCIe 5.1 support.
- You want fully modular cables to reduce case clutter.
- You prioritize long-term coverage with a 10-year warranty.
Skip if
- You need higher wattage for extreme high-draw workstation components.
- You require a compact SFX form factor for a mini-ITX enclosure.
Verdict: MSI 850W Fully Modular ATX 3.1 Power Supply provides modern PCIe 5.1 connectivity and 850W of Gold-rated power for mid-tier to high-end builds. It delivers a solid step up in wattage over standard 750W alternatives backed by a 10-year warranty.
Thermaltake Toughpower GX3 850W Gold PSU
Best for: compact ATX 3.1 builds needing 850W
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 120mm
- Warranty
- 5 Year
The Thermaltake Toughpower GX3 850W is an ATX 3.1 power supply equipped with a native PCIe 5.1 12V-2x6 connector. You get 80 Plus Gold efficiency and an ultra-quiet 120mm fluid dynamic bearing fan inside a standard ATX chassis. With flat cables and industrial-grade protections, this unit suits your next-generation hardware build needing 850W output.
Pros
- ATX 3.1 standard with native PCIe 5.1 12V-2x6 connector
- 80 Plus Gold certified efficiency
- Ultra-quiet 120mm fluid dynamic bearing fan
- Flat cables for straightforward routing
Cons
- 5-year warranty period is shorter than some alternatives
- 120mm fan offers less surface area than 135mm or 140mm designs
Good fit if
- You need ATX 3.1 compatibility with a native 12V-2x6 cable connection.
- You want an 850W Gold-rated unit paired with a 120mm fluid dynamic bearing fan.
Skip if
- You need more than 850W of power for your components.
- You want a power supply with a warranty longer than 5 years.
Verdict: Thermaltake Toughpower GX3 850W ATX 3.1 PSU delivers ATX 3.1 compliance and dedicated PCIe 5.1 connectivity with quiet 120mm fluid dynamic bearing cooling. It provides reliable 80 Plus Gold power delivery backed by a 5-year warranty.
Specifications side by side
| Spec | ASRock PRO 750G 750W ATX 3.1 Power Supply | MSI MAG 850W Fully Modular ATX Power Supply | Corsair RM750x Shift White 750W ATX Power Supply | MSI MPG 850W Gold ATX 3.1 Power Supply | Thermaltake Toughpower GF3 1000W ATX 3.1 | MSI MAG 850W Gold Fully Modular PSU | Thermaltake Toughpower GX3 850W Gold PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 750W | 850W | 750W | 850W | 1000W | 850W | 850W |
| Efficiency Rating | 80 PLUS Gold | 80+ Gold | 80 Plus Gold | 80+ Gold | 80 Plus Gold | 80 PLUS Gold | 80 Plus Gold |
| Modularity | not specified | Fully Modular | Fully Modular | Fully Modular | Full Modular | Fully Modular | not specified |
| 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 | 135mm | not specified | 120mm |
| Warranty | 3-Year | 10 Year | not specified | 10 Year | not specified | 10 Year | 5 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 | Gaming | not specified | Gaming | not specified | Gaming | 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 (PCIE 5) | 750W | 850W | 1000W | 850W (PCIE 5) | 850W |
| Dimensions | 5.51 × 5.91 × 3.39 inches | 12 × 8.75 × 4.92 inches | 6.3 × 5.91 × 3.39 inches | 5.91 × 5.91 × 3.39 inches | 6.3 × 5.9 × 3.4 inches | 12 × 8.75 × 4.92 inches | 5.9 × 5.5 × 3.4 inches |
| Weight | 4.78 pounds | not specified | 3.75 pounds | 7.15 pounds | 3.95 pounds | not specified | not specified |
| Model | 90-UXR075-GNUAA2 | not specified | CP-9020273-NA | MPG A850G PCIE 5 | PS-TPD-1000FNFAGU-4 | MAG A850GL PCIE5 | PS-TPD-0850NNFAGU-3 |
| Color | not specified | not specified | White | not specified | Black | not specified | Black |
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Frequently asked questions
Which alternative should you choose for a white PC build?
The Corsair RM750x Shift White is the dedicated white option among these alternatives. It provides a 750W capacity with 80 PLUS Gold efficiency, matching the base output of the ASRock unit. It also features a side-facing modular connector panel. Make sure your chassis offers enough clearance behind the motherboard tray to route cables into the side interface.
What is the highest wattage alternative to the ASRock PRO 750G?
The Thermaltake Toughpower GF3 provides 1000W, giving you the highest output on this list. This unit features ATX 3.1 compliance and native 600W PCIe 5.1 power delivery via its 12V-2x6 connector. It measures 6.3 inches long, offering extra power headroom over 750W and 850W models for high-demand graphics hardware.
How does PCIe power delivery differ between the ASRock PRO 750G and the Thermaltake Toughpower GF3?
The Thermaltake Toughpower GF3 supports up to 600W over its PCIe 5.1 connector, whereas the ASRock PRO 750G has a 450W connector limit. Both power supplies use the 12V-2x6 standard for modern graphics cards. The higher 600W rating on the 1000W Thermaltake unit accommodates power-heavy GPUs that exceed the 450W threshold of the 750W model.
Which 850W alternative uses Japanese capacitors?
The MSI MPG 850W Gold uses Japanese capacitors within its internal build. It is an 80 PLUS Gold, ATX 3.1 power supply with a dedicated 12V-2x6 PCIe 5.1 connector. Along with fully modular cabling, its physical footprint measures 5.91 inches wide, 3.39 inches high, and 5.91 inches long, weighing 7.15 pounds.
What makes the Corsair RM750x Shift design unique compared to standard power supplies?
The Corsair RM750x Shift places its modular cable connectors on the side of the unit instead of the rear. This layout changes how you plug in system cables during assembly. To install this 750W Gold unit successfully, your PC case must provide sufficient clearance adjacent to the power supply chamber so the modular cables can bend toward the main chassis.
Which alternative includes a 120mm fluid dynamic bearing fan?
The Thermaltake Toughpower GX3 850W features a 120mm fluid dynamic bearing fan for cooling. This 850W unit complies with ATX 3.1 standards and incorporates a native 12V-2x6 PCIe 5.1 connector. Its physical dimensions are 5.5 inches wide, 3.4 inches high, and 5.9 inches long, fitting standard ATX case compartments.
Do these ASRock PRO 750G alternatives support the ATX 3.1 standard?
Yes, every alternative listed in this guide adheres to the ATX 3.1 specification. Units from MSI, Corsair, and Thermaltake all supply updated PCIe 5.1 connectivity through 12V-2x6 connectors. This ensures compatibility with modern graphics cards requiring ATX 3.1 power excursion standards, whether you choose a 750W, 850W, or 1000W capacity.






