Enermax or ASRock? PC Power Supplies Compared in 2026
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This enermax vs ASRock PC power supply comparison focuses on two distinct approaches to modern build requirements. Both units support the latest ATX 3.1 standard and feature fully modular cabling with 12V-2x6 connectors for new GPUs. The primary difference lies in their power capacity and efficiency ratings. You are choosing between a high-output 1200W Platinum unit and a compact 750W Gold option. Each serves different system scales and thermal preferences.
Key differences
| Aspect | Enermax PlatiGemini 1200W Platinum ATX 3.1 PSU | ASRock Phantom Gaming 750W ATX 3.1 Power Supply |
|---|---|---|
| Wattage | 1200W | 750W |
| Efficiency Rating | 80 PLUS Platinum | 80 PLUS Gold |
| ATX Standard | ATX 3.1, ATX12VO | ATX 3.1 |
| Warranty | not listed | 10 Years |
| Fan Control | Semi-fanless up to 60% | iCOOL Intelligent Mode |
Which one should you choose?
Choose Enermax PlatiGemini 1200W Platinum ATX 3.1 PSU if
- You need maximum power headroom for high-end GPUs and content creation workloads.
- You want the highest efficiency rating available to reduce heat and electricity use.
- You are building a system that requires ATX12VO motherboard compatibility.
Choose ASRock Phantom Gaming 750W ATX 3.1 Power Supply if
- You prefer a longer manufacturer warranty for long-term peace of mind.
- You are building a mid-range system where 750W is sufficient.
- You want a compact form factor with individually braided cables for easier management.
Verdict: The Enermax PlatiGemini is the better choice for enthusiasts requiring extreme power and top-tier efficiency. The ASRock Phantom Gaming is more suitable for users who prioritize warranty length and a slightly more compact, cable-managed build.
Enermax vs ASRock PSU Comparison
Efficiency rating
The Enermax PlatiGemini carries an 80 PLUS Platinum certification, reaching up to 94% efficiency at typical loads. This places it in a higher tier than the ASRock Phantom Gaming, which holds an 80 PLUS Gold rating with 90% efficiency. Higher efficiency means less wasted energy as heat, reducing your electricity costs and thermal load inside the case. The ASRock does list a Cybenetics Platinum rating, but the primary 80 PLUS standard remains Gold. For maximum power conversion efficiency, the Enermax specification is superior.
Power capacity
Power output is a critical spec for high-end builds. The Enermax PlatiGemini delivers 1200W of continuous power, making it suitable for extreme overclocking or multi-GPU workstations. The ASRock Phantom Gaming provides 750W, which is adequate for most single-GPU gaming systems but lacks the headroom for the most demanding configurations. If your system includes high-end graphics cards or requires significant power for content creation, the Enermax offers substantially more capacity.
Hybrid functionality
The Enermax PlatiGemini is unique as a dual-standard power supply, certified for both Intel ATX 3.1 and ATX12VO compliance. This allows it to support standard 24-pin motherboards and newer 10-pin energy-saving boards. The ASRock Phantom Gaming supports the ATX 3.1 standard but does not mention ATX12VO compatibility. This dual-certification gives the Enermax broader compatibility with future motherboard designs, offering versatility that the ASRock unit does not specify.
Warranty coverage
Warranty terms provide long-term protection for your investment. The ASRock Phantom Gaming includes a 10-year global warranty, which is a strong commitment to product durability. The Enermax PlatiGemini listing does not specify a warranty duration in the provided data. While both are fully modular and built for modern standards, the ASRock offers a clearly defined, lengthy warranty period that may offer greater peace of mind for long-term ownership.
Fan and cooling
Cooling performance affects noise levels and system temperatures. The Enermax PlatiGemini uses a 13.5cm fan and features semi-fanless operation up to 60% load, staying completely silent during light tasks. It also includes Dust Free Rotation technology to prevent dust buildup. The ASRock Phantom Gaming utilizes iCOOL Intelligent Fan Control but does not specify a zero-RPM mode threshold or fan size. The Enermax provides more detailed specifications regarding silent operation and thermal management.
Dimensions and weight
Physical size matters for case compatibility. Both units share identical dimensions of 5.91 x 5.91 x 3.39 inches, ensuring they fit standard ATX cases. However, the Enermax PlatiGemini weighs 6.17 pounds, while the ASRock Phantom Gaming weighs 7.5 pounds. The ASRock unit is heavier, which may be due to its internal components or build materials. For ease of installation or transport, the lighter Enermax has a slight advantage.
Choose the right PSU for your needs
Users needing maximum power and efficiency
The Enermax PlatiGemini offers 1200W capacity, supporting high-end GPUs and demanding tasks like AI or content creation. Its 80 PLUS Platinum rating ensures up to 94% efficiency at typical loads, reducing waste heat. The 12V-2x6 connector handles PCIe 5.1 standards and power peaks up to 235%, providing robust stability for heavy system usage over time.
Gamers seeking quiet operation and longevity
This unit features semi-fanless control up to 60% load, operating completely silently under typical gaming conditions. The 13.5cm fan uses Dust Free Rotation technology to prevent accumulation. While the ASRock offers a 10-year warranty, the Enermax provides superior thermal management and silence for users prioritizing a quiet environment during extended gaming sessions.
Buyers prioritizing warranty coverage and value
The ASRock Phantom Gaming includes a 10-year global warranty, offering long-term peace of mind. It delivers 750W with 80 PLUS Gold efficiency, suitable for most gaming builds. The 12V-2x6 cable features an NTC sensor and 105°C durability, ensuring safe power delivery. Its compact dimensions fit well in standard ATX cases for balanced performance.
The products compared
Enermax PlatiGemini 1200W Platinum ATX 3.1 PSU
Best for: Dual-standard ATX 3.1 and ATX12VO builds
- Wattage
- 1200W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1, ATX12VO
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 13.5cm
View on Amazon: Enermax PlatiGemini 1200W Platinum ATX 3.1 PSU Affiliate link
The Enermax PlatiGemini is a 1200W fully modular power supply certified for both ATX 3.1 and ATX12VO standards. It features an 80 PLUS Platinum efficiency rating, reaching up to 94% efficiency. The unit includes a native 12V-2x6 cable and supports power peaks of 235%. It uses a 13.5cm fan with semi-fanless operation up to 60% load. This hybrid design suits builders needing dual-standard compatibility.
Pros
- Dual-certified for ATX 3.1 and ATX12VO standards
- 80 PLUS Platinum efficiency with up to 94% output
- Semi-fanless operation up to 60% system load
- Native 12V-2x6 cable for high-end GPUs
Cons
- Large 1200W capacity may be excessive for standard builds
- Includes a redeemable code for a WireView GPU instead of the device itself
- Heavier build at 6.17 pounds compared to lower-wattage units
Good fit if
- You need a power supply supporting both ATX 3.1 and ATX12VO motherboards
- You plan to use high-end graphics cards requiring 12V-2x6 connectors
- You prioritize high efficiency and quiet operation under typical loads
Skip if
- You are building a system with less than 700W power requirements
- You prefer a standard ATX 2.4 power supply without hybrid features
- You want the included WireView GPU adapter immediately without redemption
Verdict: Enermax PlatiGemini 1200W ATX 3.1 is a specialized hybrid power supply for enthusiasts building next-generation systems with ATX12VO or high-wattage ATX 3.1 components. It fits users who need maximum efficiency and dual-standard support for future-proofing their builds.
ASRock Phantom Gaming 750W ATX 3.1 Power Supply
Best for: compact cases needing 750W Gold efficiency
- 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 Affiliate link
The ASRock PG-750G is a fully modular ATX 3.1 power supply rated at 750W. It holds 80 PLUS Gold efficiency, exceeding the standard by 2%. The unit supports PCIe 5.1 with a 12V-2x6 connector and handles 220% total power excursion. Its compact 5.91 x 5.91 x 3.39 inch footprint fits smaller cases. You get intelligent fan control and a 10-year warranty for long-term reliability.
Pros
- 80 PLUS Gold efficiency rating (90%+ at 230V)
- Fully modular cabling with individual braided pattern
- Supports PCIe 5.1 via 12V-2x6 connector
- Compact 5.91 x 5.91 x 3.39 inch dimensions
- 10-year warranty coverage
Cons
- 750W output is lower than the 1200W competitor
- Heavier at 7.5 pounds compared to lighter units
- No mention of remote or app control features
Good fit if
- You need a compact ATX 3.1 PSU for a small form factor case
- You want fully modular cables with durable braided sleeves
- You require 80 PLUS Gold efficiency for better power savings
Skip if
- You need more than 750W of total power output
- You prefer a lighter power supply under 7 pounds
- You are looking for a 1200W or higher capacity unit
Verdict: ASRock PG-750G ATX 3.1 750W offers solid Gold efficiency and a compact build for mid-range gaming rigs. It suits users prioritizing cable management and size over maximum wattage.
Specifications side by side
| Spec | Enermax PlatiGemini 1200W Platinum ATX 3.1 PSU | ASRock Phantom Gaming 750W ATX 3.1 Power Supply |
|---|---|---|
| Wattage | 1200W | 750W |
| Efficiency Rating | 80 PLUS Platinum | 80 PLUS Gold, Cybenetics Platinum |
| Modularity | Fully Modular | Fully Modular |
| ATX Version | ATX 3.1, ATX12VO | ATX 3.1 |
| PCIe Connector Type | 12V-2x6 | 12V-2x6 |
| Fan Size | 13.5cm | not stated |
| Warranty | not stated | 10 Years |
| Form Factor | ATX | ATX |
| Recommended Use | not stated | Gaming |
| Connector | 12V-2x6 Connector | 12V-2x6 Connector |
| Size | not stated | 750W |
| Dimensions | 5.91 × 5.91 × 3.39 inches | 5.91 × 5.91 × 3.39 inches |
| Weight | 6.17 pounds | 7.5 pounds |
| Color | Black | not stated |
| Model | EGN1200P | 90-UXP075-GFUAAB |
Frequently asked questions
Does the Enermax PlatiGemini support both ATX 3.1 and ATX12VO standards?
Yes, this unit is designed for dual-standard compatibility. It supports both ATX 3.1 and the ATX12VO specification. This flexibility allows you to build systems using either standard without needing a different power supply. It is ideal for enthusiasts who want future-proofing for next-generation components.
What is the maximum wattage output of the Enermax PlatiGemini?
The Enermax PlatiGemini provides 1200W of power. This high capacity is suitable for demanding tasks like AI workloads or high-end gaming rigs. It ensures stable power delivery for systems with multiple GPUs or high-wattage components that require significant energy during peak usage.
Is the ASRock Phantom Gaming fully modular?
Yes, the ASRock Phantom Gaming 750W is fully modular. This means you can connect only the cables your build requires. It helps reduce clutter inside your case and improves airflow. You do not need to manage unused cables that can obstruct component placement.
Which PSU is better for compact cases?
The ASRock Phantom Gaming is a strong choice for compact builds. It offers 750W of power in a standard ATX form factor. Its design prioritizes cable management and size efficiency. If you are building in a smaller chassis, this unit provides sufficient power without excessive bulk.
Do both units include the new GPU connector?
Yes, both power supplies feature the 12V-2x6 connector. This is the latest standard for connecting modern graphics cards. It simplifies cabling for new GPUs that require this specific interface. You do not need adapters to connect the latest high-performance video cards to either unit.
What is the efficiency rating of the ASRock Phantom Gaming?
The ASRock Phantom Gaming holds an 80 PLUS Gold certification. It reaches up to 90% efficiency at typical loads. This rating indicates good energy conservation compared to standard units. It helps reduce electricity costs and heat generation during regular gaming or computing tasks.
What are the physical dimensions of the Enermax PlatiGemini?
The Enermax PlatiGemini measures 5.91 inches in width, 3.39 inches in height, and 5.91 inches in length. It weighs 6.17 pounds. These dimensions fit standard ATX cases. You can verify your case compatibility using these specific measurements before purchase.
Which PSU is heavier, the Enermax or the ASRock?
The ASRock Phantom Gaming is heavier at 7.5 pounds. The Enermax PlatiGemini weighs 6.17 pounds. This difference is due to internal component variations. The weight does not affect installation but may be a factor if you are mounting the PSU in a tight space.