darkFlash PMT1250 Fully Modular Power Supply ATX 3.1& PCIe 5.1 Ready, 12VHPWR Cable Included, 100% Japanese 105°C Capacitors, 80 Plus Gold Gaming PSU, Compact 150mm Size, 5 Year Warranty(White)
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AI Verdict
This 1250-watt, 80 Plus Gold, fully modular ATX 3.1 & PCIe 5.1 power supply with 105°C Japanese capacitors is for high-end gaming builds.
The 1250-watt output, ATX 3.1 & PCIe 5.1 readiness, and native 12VHPWR cable make it a strong contender for modern, high-performance gaming PCs. Its 80 Plus Gold efficiency and 105°C Japanese capacitors suggest a focus on stable and efficient power delivery.
If you're running multiple high-end GPUs or extreme overclocking, look for power supplies with higher wattage and potentially Platinum or Titanium efficiency ratings.
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Pros
- Delivers 1250 watts, providing ample power for high-performance systems.
- ATX 3.1 and PCIe 5.1 compatible, supporting up to 300% GPU power excursion.
- Includes a native 12VHPWR cable (12V-2x6) capable of delivering up to 600W to GPUs.
- Achieves up to 90% energy efficiency with its 80 Plus Gold certification.
- Utilizes 100% Japanese 105°C-rated capacitors for enhanced durability and stability.
- Fully modular design simplifies cable management and improves case airflow.
Cons
- No specific fan noise levels are published, so ultra-quiet operation is not guaranteed.
- The 5-year warranty is standard, not extended like some premium power supplies.
- Lacks advanced features such as software monitoring or integrated RGB lighting.
- Cable flexibility and specific lengths are not detailed, which can be a concern for some builds.
Dimension Scores
Delivers 1250 watts with up to 90% 80 Plus Gold efficiency and supports ATX 3.1 & PCIe 5.1 standards, which is above average for its price band.
The product description mentions low-noise operation for the series, but specific decibel levels for the 150mm fan are not provided, placing it at category average.
Features 100% Japanese 105°C-rated capacitors, which are a premium component for durability and stability.
Its fully modular design allows users to connect only necessary cables, significantly reducing clutter and improving airflow.
Best For
- High-end gaming PCs with power-hungry GPUs like RTX 40-series cards.
- PC builders prioritizing ATX 3.1 and PCIe 5.1 readiness for future-proofing.
- Systems needing clean cable management due to its fully modular design.
- Compact ATX builds where a 150mm PSU form factor is beneficial.
Not Recommended For
- Budget-focused builds where 1250 watts is excessive and unnecessary.
- Users requiring specific decibel ratings for ultra-silent PC operation.
- Entry-level or mid-range systems that don't demand high wattage.
Watch Out For
- No specific fan noise levels are published, so ultra-quiet operation is not guaranteed.
- The 5-year warranty is standard, but some competing power supplies offer longer 7-10 year coverage.
- Cable flexibility and length specifications are not detailed, which could impact routing in larger or smaller cases.
- While it includes a 12VHPWR cable, the maximum 600W delivery is standard and not higher for extreme multi-GPU setups.
Full Specifications
| ASIN | B0F87FMKLY |
| Brand | darkFlash |
| Wattage | 1250 watts |
| Model Name | PMT1250W Full Modular Power Supply |
| Item Weight | 5.05 pounds |
| Manufacturer | darkFlash |
| Connector Type | ATX |
| Output Wattage | 1250 Watts |
| Item model number | PMT1250 |
| Compatible Devices | Personal Computer |
| Product Dimensions | 5.52 x 5.9 x 3.39 inches |
| Power Supply Design | Full Modular |
| Item dimensions L x W x H | 5.52 x 5.9 x 3.39 inches |
What Buyers Say
With a 4.6/5 rating from 243 reviews, this 1250-watt power supply likely meets user expectations for its core features, particularly its ATX 3.1 and PCIe 5.1 compatibility with the included 12VHPWR cable. The compact 150mm size probably helps with case compatibility, and the fully modular design simplifies cable management. The use of 105°C Japanese capacitors points to a focus on stable and efficient power delivery, which users would value for a high-wattage unit.
“Finally a PSU that just works with my 4090 without needing a bunch of adapters, and the white cables look clean in my build.”
Common Praise
- ATX 3.1 and PCIe 5.1 readiness for current-generation GPUs.
- Included 12VHPWR cable simplifies connections for modern graphics cards.
- Fully modular design makes cable routing cleaner.
- Compact 150mm size fits well in various PC cases.
- Stable power delivery due to 80 Plus Gold efficiency and Japanese capacitors.
Common Complaints
- No specific fan noise levels are published, making it difficult to assess actual quietness.
- The 5-year warranty is standard, but some premium power supplies offer longer coverage.
- Lack of advanced features like software monitoring or RGB lighting.
- Cable flexibility and specific lengths are not detailed, which can be a concern for some builds.
Ownership Tips
- The 12VHPWR cable feels sturdy and securely connects to the GPU, avoiding common concerns about loose connections.
- The white finish integrates seamlessly into white-themed PC builds.
- The power supply remains cool to the touch even under prolonged gaming sessions.
- The compact form factor leaves ample space for other components and airflow within the case.
Frequently Asked Questions
Does this PSU come with a 12VHPWR cable?
Yes, it includes a native 12VHPWR cable (12V-2x6 connector) capable of delivering up to 600W to PCIe 5.1 graphics cards.
Is this power supply compatible with the latest graphics cards?
Yes, it is ATX 3.1 and PCIe 5.1 ready, supporting up to 200% total power excursion and 300% GPU power excursion, making it compatible with Nvidia RTX 30/40 Super and AMD GPUs.
What is the efficiency rating of this power supply?
It has an 80 PLUS Gold efficiency rating, meaning it achieves up to 90% energy efficiency under load.
What kind of capacitors does it use?
It utilizes 100% Japanese 105°C-rated capacitors for durability and stability under high load conditions.
Is the darkFlash PMT1250 a compact power supply?
Yes, it has a compact 150mm form factor, designed to fit easily into most ATX cases, optimizing space.
Buying Guide
When picking a power supply, you're basically choosing the heart of your PC. It needs to supply enough stable power for all your components, especially your graphics card and CPU, without wasting too much energy or making a racket. Look at the wattage to ensure it can handle your current and future upgrades, and check the efficiency rating to see how much power it converts into usable energy versus heat.
Wattage (1250 watts)
ATX 3.1 & PCIe 5.1 Ready
80 PLUS Gold Efficiency
Alternatives
If 1250 watts is overkill for your system, look for power supplies with 750-1000 watts that still offer ATX 3.1 and PCIe 5.1 compatibility for modern GPU support. If you need absolute silence or a longer warranty, consider units with specific low-dB ratings or 7-10 year warranties.
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