Looking Beyond the ASRock Phantom Gaming PG-750G ATX? 6 Alternatives Worth a Look
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The ASRock Phantom Gaming PG-750G ATX 3.1 power supply offers a compact 100mm form factor, 80 PLUS Gold efficiency, and native PCIe 5.1 support. If you are exploring asrock phantom gaming pg 750g atx alternatives, you might need more wattage or a different physical footprint. This unit provides a reliable baseline for mid-range gaming builds with its fully modular cabling and ten-year warranty.
The 6 alternatives listed here share key specifications like ATX 3.1 compliance and 80 PLUS Gold ratings. You may prefer a higher wattage option if your system requires more power for future upgrades. Some buyers might also look for a larger standard ATX size for easier cable management or a different brand preference. These selections overlap with the original’s core features while offering variations in capacity and dimensions to suit different case constraints.
Our top pick: ASRock Phantom Gaming 750W ATX 3.1 Power Supply.
How these alternatives differ
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W offers 100 more watts than the ASRock 750G, which helps if your GPU draws heavy power under load. It shares the same 80 PLUS Gold efficiency and ATX 3.1 standard, ensuring modern PCIe 5.1 compatibility. However, it is significantly larger, measuring 12 inches long compared to the ASRock’s compact 5.91-inch square design. You should choose this if you have a spacious case and need extra headroom for power spikes. The trade-off is reduced flexibility in small form factor builds where the ASRock’s compact dimensions are a clear advantage.
MSI MPG 850W Gold ATX 3.1 Power Supply
This MSI MPG unit provides 850W of power, giving you 100W more capacity than the ASRock Phantom Gaming. Like the original, it features fully modular cabling and an ATX 3.1 design with native 12V-2x6 connectors. It matches the ASRock’s compact 5.91-inch square footprint, making it suitable for similar cases. The key difference is the wattage increase, which supports higher-end graphics cards more comfortably. If you plan to upgrade your GPU later, this extra capacity provides better longevity. It is a direct upgrade path for users who find the 750W limit too restrictive for their current or future hardware.
MSI MAG 850W Gold Fully Modular PSU
The MSI MAG 850W Gold delivers the same 850W output as other alternatives but comes in a large 12-inch form factor. This size is much bigger than the ASRock’s 5.91-inch square design, so it requires a case with ample depth. It retains the 80 PLUS Gold efficiency and ATX 3.1 compliance, including PCIe 5.1 support. You should pick this if you prioritize raw power output over compactness. The larger chassis may offer better airflow for the internal components, but it limits your build options to standard ATX cases. It is best for users who do not need the space-saving benefits of the ASRock unit.
MSI MPG 1250W Fully Modular Power Supply
This MSI MPG 1250W unit provides significantly more power, totaling 1250W compared to the ASRock’s 750W. It includes two native 12V-2x6 cables, which is useful for dual high-end GPU setups. The efficiency remains at 80 PLUS Gold with ATX 3.1 support. However, it is physically larger, measuring 11.5 inches in length, which prevents installation in smaller cases. Choose this if you are building a high-end system with multiple power-hungry components. The extra wattage ensures stability under extreme loads, but the size makes it unsuitable for compact builds where the ASRock’s small footprint is essential.
MSI MAG 850W Fully Modular Power Supply
The MSI MAG A850GLS offers 850W of power, exceeding the ASRock’s 750W capacity. It features 80 PLUS Gold efficiency and ATX 3.1 compliance with PCIe 5.1 connectivity. The physical size is 11.5 inches long, which is larger than the ASRock’s compact 5.91-inch design. This unit is ideal for standard ATX cases where space is not a constraint. You get more power for similar efficiency, which is beneficial for future-proofing. However, it lacks the compact form factor that makes the ASRock suitable for smaller builds. Select this if you need higher wattage and have a case that accommodates larger power supplies.
MSI MAG 1000W White Modular Power Supply
This MSI MAG 1000W unit provides 250W more power than the ASRock Phantom Gaming, totaling 1000W. It maintains 80 PLUS Gold efficiency and ATX 3.1 standards with PCIe 5.1 support. The physical dimensions are 11.5 inches in length, making it significantly larger than the ASRock’s 5.91-inch square design. This extra capacity is helpful for high-end gaming rigs with powerful graphics cards. You should choose this if you prioritize maximum power output and have a standard ATX case. The larger size limits compatibility with smaller chassis, so it is not suitable for compact builds that benefit from the ASRock’s space-saving form factor.
Quick picks
Our 7 picks
ASRock Phantom Gaming 750W ATX 3.1 Power Supply
Best for: mid-range ATX 3.1 gaming builds
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold, Cybenetics Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Years
View on Amazon: ASRock Phantom Gaming 750W ATX 3.1 Power Supply
The ASRock Phantom Gaming 750W ATX 3.1 PSU serves as the baseline for this guide. It delivers 750 watts of power with 80 PLUS Gold and Cybenetics Platinum efficiency ratings. You get fully modular individually braided cables, a 12V-2x6 PCIe 5.1 connector with an NTC sensor, and iCOOL fan control within a standard ATX enclosure. It suits you if you want modern GPU power delivery and clean cable management for a mid-tier gaming build.
Pros
- ATX 3.1 ready with a dedicated 12V-2x6 PCIe 5.1 connector
- Dual 80 PLUS Gold and Cybenetics Platinum efficiency ratings
- Fully modular cabling with an individual braided pattern
- 10-year global manufacturer warranty
Cons
- 750W output offers less headroom than 850W or higher alternatives
- Not compatible with compact or proprietary non-ATX computer systems
Good fit if
- You need ATX 3.1 and PCIe 5.1 standards for your graphics card.
- You want individually braided modular cables included in the box.
- You run a mid-range PC build requiring up to 750W of power.
Skip if
- You require 850W or more for high-draw hardware configurations.
- You have a small-form-factor chassis that cannot fit a standard ATX power supply.
Verdict: ASRock Phantom Gaming 750W ATX 3.1 PSU provides modern PCIe 5.1 power delivery, high efficiency, and individually braided cables backed by a 10-year warranty. It sets a reliable baseline standard for mainstream gaming rigs.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: modern gaming rigs needing 850W ATX 3.1 power
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This unit is an 850W ATX power supply built for modern gaming systems. It delivers an 80 Plus Gold efficiency level and features a fully modular cable setup so you only plug in the cords you require. With native ATX 3.1 compliance and a dedicated 12V-2x6 PCIe 5.1 connector, it supports current graphics hardware while offering a 10-year warranty for your build.
Pros
- 850W capacity with 80 Plus Gold efficiency
- Native ATX 3.1 and PCIe 5.1 support with a 12V-2x6 connector
- Fully modular cabling for clean cable management
- 10-year warranty coverage
Cons
- 850W capacity limits headroom for multi-GPU setups
- Efficiency reaches 80 Plus Gold rather than Platinum or Titanium
Good fit if
- You need an 850W ATX 3.1 unit with a dedicated 12V-2x6 connector.
- You want fully modular cables to simplify routing inside your PC case.
- You prefer long-term protection backed by a 10-year warranty.
Skip if
- You need 1000W or higher output for power-heavy hardware configurations.
- You require 80 Plus Platinum or higher electrical efficiency.
Verdict: MSI MAG 850W Gold ATX 3.1 PSU provides reliable 850W power, fully modular cabling, and updated PCIe 5.1 power delivery. It gives you modern component compatibility alongside a 10-year warranty.
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: PCIe 5.1 gaming systems needing 850W
- 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 850W ATX 3.1 Power Supply offers an upgrade over standard 750W units with 850 watts of output and an 80 Plus Gold efficiency certification. It includes a native 12V-2x6 connector for PCIe 5.1 graphics cards, 100% Japanese 105°C capacitors, and full cable modularity. Measuring 5.91 inches long, it fits standard ATX chassis easily. It suits you if you need reliable power headroom and modern GPU cabling for gaming builds.
Pros
- 850W capacity with 80 Plus Gold efficiency
- ATX 3.1 compliant with native 12V-2x6 PCIe 5.1 connector
- 100% Japanese 105°C capacitors
- 10-year limited warranty
- Fully modular cable layout
Cons
- 80 Plus Gold efficiency rather than Platinum or Titanium
- 850W output limits high-draw multi-GPU systems
Good fit if
- You need a native 12V-2x6 connector for a PCIe 5.1 graphics card.
- You want 850W of power backed by Japanese 105°C capacitors.
- You prefer fully modular cabling with a 10-year warranty.
Skip if
- You need 1000W or higher capacity for extreme power demands.
- You require an efficiency rating above 80 Plus Gold.
Verdict: MSI MPG 850W ATX 3.1 Power Supply provides robust 850W capacity and Japanese capacitors for modern PCIe 5.1 builds. Its fully modular design and 10-year warranty make it a dependable long-term choice.
MSI MAG 850W Gold Fully Modular PSU
Best for: modern gaming builds needing 850W ATX 3.1
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MAG 850W Gold ATX 3.1 Power Supply gives you an 850W continuous output with an 80 PLUS Gold efficiency rating. It features a fully modular cable design, plus ATX 3.1 compliance and a native 12V-2x6 PCIe 5.1 connector. A 10-year limited warranty covers the unit. This build suits you if you want higher wattage headroom for modern gaming components.
Pros
- 80 PLUS Gold efficiency rating
- Native 12V-2x6 PCIe 5.1 connector
- Fully modular cable design
- 10-year limited warranty
Cons
- Efficiency capped at 80 PLUS Gold
- Maximum capacity capped at 850W
Good fit if
- You need an ATX 3.1 unit with a dedicated 12V-2x6 PCIe 5.1 connector.
- You want fully modular cabling to simplify case cable management.
- You prefer long-term component protection with a 10-year warranty.
Skip if
- You require more than 850W of total output for heavier power demands.
- You want higher efficiency than the 80 PLUS Gold tier provides.
Verdict: MSI MAG 850W Gold ATX 3.1 Power Supply delivers solid 850W output with modern PCIe 5.1 connectivity and fully modular cables. It is a dependable choice for modern gaming setups that require ATX 3.1 compliance.
MSI MPG 1250W Fully Modular Power Supply
Best for: dual 12V-2x6 high-wattage gaming builds
- Wattage
- 1250W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This MSI unit provides 1250 watts of fully modular power built on the ATX 3.1 and PCIe 5.1 standards. It features an 80 Plus Gold efficiency rating and includes two native 12V-2x6 power connectors alongside all server-grade 105 C capacitors. If you plan to run multiple high-draw components or modern graphics cards needing dedicated 12V-2x6 cabling, this unit gives you substantial overhead and ten years of warranty coverage.
Pros
- 1250W total power capacity
- Two native 12V-2x6 connectors
- ATX 3.1 and PCIe 5.1 compliance
- 10-year warranty coverage
- 100% server-grade 105 C capacitors
Cons
- 80 Plus Gold efficiency rather than Platinum or Titanium
- 1250W capacity exceeds requirements for standard single-GPU setups
Good fit if
- You need dual native 12V-2x6 connectors for high-draw hardware.
- You want 1250W of power headroom for demanding multi-component setups.
- You require an ATX 3.1 compliant fully modular design.
Skip if
- You only require a standard 750W or 850W power supply.
- You want a higher 80 Plus Platinum or Titanium efficiency rating.
Verdict: MSI 1250W ATX 3.1 Modular Power Supply delivers heavy-duty power output with two native 12V-2x6 cables for high-demand configurations. Its fully modular design and 10-year warranty provide clean cable management and long-term hardware support.
MSI MAG 850W Fully Modular Power Supply
Best for: Standard ATX gaming builds needing 850W
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135 mm
The MSI MAG A850GLS is a fully modular 850W power supply designed for gaming systems. It carries 80 PLUS Gold efficiency certification, reaching up to 90% efficiency. The unit supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. Its compact 150 mm length aids cable management. A 135 mm fan ensures quiet operation under load.
Pros
- 80 PLUS Gold efficiency rating up to 90%
- Fully modular cable design for clean builds
- Compact 150 mm length fits most cases
- 10-year warranty coverage
Cons
- Heavier at 6.75 pounds compared to lighter units
- No software control for fan curves or monitoring
- Standard ATX form factor limits extreme compact builds
Good fit if
- You need a reliable 850W source for high-end GPUs
- You want 80 PLUS Gold efficiency for lower power costs
- You prefer fully modular cables for tidy builds
Skip if
- You require a smaller SFX or SFX-L form factor
- You need more than 850W for extreme overclocking
- You want digital monitoring or software control features
Verdict: MSI MAG A850GLS 850W ATX 3.1 delivers solid 80 PLUS Gold efficiency and a compact footprint for standard ATX cases. It fits users who prioritize reliability and clean cable management over digital monitoring features.
MSI MAG 1000W White Modular Power Supply
Best for: high-end gaming builds with modern GPUs
- Wattage
- 1000W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MAG A1000GL is a white, fully modular power supply delivering 1000W of power. It meets the ATX 3.1 standard and includes a native PCIe 5.1 connector for modern GPUs. The unit holds an 80 PLUS Gold efficiency rating and carries a 10-year warranty. Its compact dimensions help fit into smaller cases, while the flat cables simplify cable management for your build.
Pros
- 1000W output capacity
- ATX 3.1 and PCIe 5.1 support
- 80 PLUS Gold efficiency
- 10-year warranty coverage
- Fully modular design
Cons
- Larger physical footprint than 750W alternatives
- Heavier build at 7.54 pounds
- White color may clash with black builds
Good fit if
- You need high wattage for future GPU upgrades
- You prefer a white-themed PC build
- You want a long warranty period
Skip if
- You have a small form factor case with tight clearance
- You are building a budget system under 750W needs
- You strictly prefer black components
Verdict: MSI MAG A1000GL 1000W ATX 3.1 is a solid choice for gamers building high-end systems with modern graphics cards who prioritize efficiency and long-term support.
Specifications side by side
| Spec | ASRock Phantom Gaming 750W ATX 3.1 Power Supply | MSI MAG 850W Fully Modular ATX Power Supply | MSI MPG 850W Gold ATX 3.1 Power Supply | MSI MAG 850W Gold Fully Modular PSU | MSI MPG 1250W Fully Modular Power Supply | MSI MAG 850W Fully Modular Power Supply | MSI MAG 1000W White Modular Power Supply |
|---|---|---|---|---|---|---|---|
| Wattage | 750W | 850W | 850W | 850W | 1250W | 850W | 1000W |
| Efficiency Rating | 80 PLUS Gold, Cybenetics Platinum | 80+ Gold | 80+ Gold | 80 PLUS Gold | 80+ Gold | 80 PLUS Gold | 80+ 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 | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 |
| Fan Size | not specified | not specified | not specified | not specified | not specified | 135 mm | not specified |
| Warranty | 10 Years | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year |
| Form Factor | ATX | ATX | ATX | ATX | ATX | ATX | ATX |
| PCIe Version | not specified | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 |
| Recommended Use | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming |
| Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector |
| Size | 750W | 850W (PCIE 5) | 850W | 850W (PCIE 5) | 1250W | 850 W | not specified |
| Dimensions | 5.91 × 5.91 × 3.39 inches | 12 × 8.75 × 4.92 inches | 5.91 × 5.91 × 3.39 inches | 12 × 8.75 × 4.92 inches | 11.5 × 9.5 × 5.4 inches | 11.5 × 9.25 × 5.08 inches | 11.5 × 9.25 × 5.08 inches |
| Weight | 7.5 pounds | not specified | 7.15 pounds | not specified | not specified | 6.75 pounds | 7.54 pounds |
| Model | 90-UXP075-GFUAAB | not specified | MPG A850G PCIE 5 | MAG A850GL PCIE5 | MPG A1250GS PCIE5 | MAG A850GLS PCIE5 | MAG A1000GL PCIE5 White |
| Color | not specified | not specified | not specified | not specified | Black | not specified | not specified |
Frequently asked questions
Is the ASRock PG-750G the best 750W option available?
The ASRock Phantom Gaming 750W ATX 3.1 is ranked as the best overall choice for mid-range gaming builds. It provides modern PCIe 5.1 power delivery and individually braided cables. This model sets a reliable baseline standard for mainstream rigs while maintaining high efficiency ratings.
Which PSU offers the best value for 850W builds?
The MSI MAG 850W is identified as the best budget option for modern gaming rigs. It delivers 850W of power with fully modular cabling and updated PCIe 5.1 support. This configuration ensures compatibility with modern components while offering a dependable power solution for your system.
What is the highest wattage option in this list?
The MSI MPG 1250W Fully Modular Power Supply provides the highest wattage at 1250W. It is designed for dual 12V-2x6 high-wattage gaming builds. This unit delivers heavy-duty power output with two native cables, supporting high-demand configurations with a fully modular design for clean management.
Which power supply is best for high-end graphics cards?
The MSI MAG 1000W White Modular Power Supply is recommended for high-end gaming builds with modern GPUs. It offers 1000W of output with ATX 3.1 compliance and PCIe 5.1 connectivity. This choice prioritizes efficiency and long-term support for demanding hardware configurations.
Are these alternatives fully modular like the ASRock PG-750G?
Yes, all listed alternatives are fully modular. This includes the ASRock Phantom Gaming 750W, all MSI MAG and MPG models. Fully modular designs allow you to connect only the cables you need, which helps with cable management and airflow inside your PC case.
Do these PSUs support the latest PCIe 5.1 standard?
Yes, every power supply in this list supports ATX 3.1 and PCIe 5.1 standards. This ensures native support for the latest graphics cards and components. You get reliable power delivery without needing adapters, maintaining compatibility with modern hardware requirements.
Which option is best for compact ATX cases?
The ASRock Phantom Gaming 750W ATX 3.1 is ideal for compact builds due to its 100mm form factor. It measures 5.91 inches in width and length. This smaller footprint fits well in cases with limited space while still providing 750W of reliable power.
What is the difference between the MSI MAG and MPG 850W models?
The MSI MAG 850W is positioned as the best budget option, while the MPG 850W Gold is ranked as the best 850W choice. The MPG model specifically highlights Japanese capacitors for robust performance. Both offer 850W capacity, fully modular designs, and ATX 3.1 compliance.






