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darkFlash PMT1050 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 1050-watt ATX 3.1 & PCIe 5.1 PSU features 100% Japanese 105°C capacitors and a compact 150mm size, targeting high-power gaming PCs.
The darkFlash PMT1050 is a strong contender for specific high-performance PC builds that require ATX 3.1 and PCIe 5.1 compatibility with a native 12VHPWR cable. Its 1050W output and 100% Japanese 105°C capacitors offer robust power delivery and durability. However, mixed user feedback regarding fan noise and cable stiffness suggests it's not a universally perfect fit.
If fan noise is a primary concern, look for PSUs with specific dB(A) ratings or reviews that consistently praise quiet operation under load.
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Pros
- Supports ATX 3.1 and PCIe 5.1 standards, including 200% total power excursion and 300% GPU power excursion for stability.
- Includes a native 12V-2x6 12VHPWR cable capable of delivering up to 600W to PCIe 5.1 graphics cards.
- Achieves up to 90% energy efficiency with its 80 PLUS Gold certification, reducing power waste.
- Utilizes 100% Japanese 105°C-rated capacitors for enhanced durability and stability under high load conditions.
- Fully modular cable design simplifies cable management and can improve airflow within a PC case.
- Compact 150mm size allows for easier installation in most ATX cases.
Cons
- Cables can feel slightly stiff, potentially making routing more challenging in some builds.
- Some users have reported the fan can be loud during peak performance, despite claims of low-noise operation.
- Reports suggest potential issues with PCIe 5.1 compatibility with certain graphics cards, requiring users to verify before purchase.
- The brand's PSUs have received mixed reception, with some users expressing distrust due to its newer presence in the PSU market.
- Efficiency under load may not consistently meet the 80 Plus Gold promise for some users.
Dimension Scores
The 1050W output with 80 PLUS Gold efficiency and ATX 3.1/PCIe 5.1 readiness, including 200% total and 300% GPU power excursion, provides robust and efficient power delivery.
While featuring a hydraulic silent fan, some user reports indicate the fan can be loud under heavy load, creating inconsistent experiences.
The use of 100% Japanese 105°C-rated capacitors and an extensive set of seven protection mechanisms points to a focus on durability and safety.
The fully modular design allows for connecting only necessary cables, simplifying management and improving case airflow, though cables can be stiff.
Best For
- High-end gaming PCs with power-hungry RTX 30/40 Super and AMD GPUs requiring a native 12VHPWR connector.
- PC builds prioritizing clean aesthetics and improved airflow due to its fully modular design.
- Systems needing a compact 150mm ATX power supply for space-constrained cases.
- Users seeking a power supply with multiple protection mechanisms, including OVP, OCP, OPP, SCP, OTP, UVP, NLP, and Surge 4K.
Not Recommended For
- Budget PC builds where the advanced ATX 3.1 and PCIe 5.1 features are not essential.
- Users sensitive to fan noise under heavy system loads.
- Builders who prefer established, long-tenured PSU brands with extensive independent review data.
Watch Out For
- Cables are reported to be somewhat stiff, which can complicate cable routing, especially in smaller cases.
- Some users have experienced the fan becoming audibly loud under heavy system loads.
- There are user reports of finicky connectors, potentially making cable attachment less straightforward.
- Despite ATX 3.1 and PCIe 5.1 readiness, some users have encountered compatibility issues with specific graphics cards.
Full Specifications
| ASIN | B0F87J87CN |
| Brand | darkFlash |
| Wattage | 1050 watts |
| Model Name | PMT1050W Full Modular Power Supply |
| Form Factor | ATX |
| Item Weight | 5.05 pounds |
| Manufacturer | darkFlash |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 1050 |
| Item model number | PMT1050 |
| Compatible Devices | Personal Computer |
| Product Dimensions | 5.52 x 5.9 x 3.39 inches |
| Item dimensions L x W x H | 5.52 x 5.9 x 3.39 inches |
What Buyers Say
Users generally praise the darkFlash PMT1050 for its robust build quality and stable power delivery under load. The fully modular cable design is frequently appreciated for simplifying installation and promoting cleaner PC builds. However, some users have noted that the cables can be stiff, making routing a bit challenging, and there are conflicting reports regarding fan noise, with some finding it loud during peak performance.
“Look, it's got the new GPU cable and the Japanese caps, which is cool, but those stiff cables were a pain and it definitely wasn't silent when my games cranked up.”
Common Praise
- Provides stable power delivery under load.
- Fully modular design aids in clean cable management.
- Compact 150mm size fits well in various cases.
- Equipped with 100% Japanese 105°C capacitors for durability.
- Includes a native 12VHPWR cable for modern GPUs.
Common Complaints
- Cables are reported to be stiff, hindering easy routing.
- Fan can become loud during high load conditions.
- Some users encountered finicky connectors.
- Concerns about PCIe 5.1 compatibility with certain graphics cards have been raised.
- Efficiency under load might not always meet the 80 Plus Gold promise.
Ownership Tips
- The stiffness of the cables can make initial routing a frustrating experience, requiring more force and planning than expected.
- Under heavy gaming sessions, the fan noise becomes noticeable, contradicting the 'silent fan' marketing.
- The compact size is genuinely beneficial for smaller form factor cases, freeing up internal space.
- The native 12VHPWR cable is a convenience, avoiding adapters and ensuring a direct connection to newer GPUs.
- The overall stability during demanding tasks is consistent, with no reported power delivery issues.
Frequently Asked Questions
What is ATX 3.1 and PCIe 5.1 compatibility?
ATX 3.1 is the latest power supply standard, designed to handle transient power spikes from modern GPUs more effectively. PCIe 5.1 refers to the latest graphics card power connector (12VHPWR/12V-2x6), which can deliver up to 600W directly to compatible GPUs.
Does this power supply include the 12VHPWR cable?
Yes, the darkFlash PMT1050 includes a native 12V-2x6 12VHPWR cable, capable of supplying up to 600W to PCIe 5.1 graphics cards.
What does '80 PLUS Gold Efficiency' mean?
80 PLUS Gold certification indicates that the power supply operates at up to 90% energy efficiency under typical loads, meaning less power is wasted as heat and more is delivered to your components.
Is the darkFlash PMT1050 quiet during operation?
The PMT series features a 12cm hydraulic silent fan with intelligent temperature control. However, some users have reported the fan can become quite loud during peak performance, while others indicate an 80% satisfaction level for noise.
What is the warranty period for this power supply?
The darkFlash PMT1050 comes with a 5-year warranty.
Can this PSU cause coil whine?
Coil whine is a high-pitched noise that can occur in PSUs and GPUs, often due to vibrating electromagnetic coils under electrical current. While not specifically reported for the PMT1050, it's a general phenomenon that can affect any PSU, and is not necessarily a defect.
Buying Guide
When picking a power supply, you're essentially choosing the heart of your PC. You need enough wattage for all your components, especially your graphics card, but also consider efficiency to save on electricity and ensure less heat. Modern PSUs like this one support new standards like ATX 3.1 and PCIe 5.1, which are important for the latest, most powerful GPUs. A fully modular design means you only plug in the cables you need, making your build much cleaner and improving airflow.
Wattage (1050W)
This number tells you the maximum power the PSU can deliver. For high-end gaming PCs with powerful CPUs and GPUs, 1050 watts provides ample headroom, especially for transient power spikes from modern graphics cards.
80 PLUS Gold Efficiency
This certification means the PSU converts at least 90% of the AC power from your wall into usable DC power for your PC, wasting less energy as heat. Think of it like fuel efficiency for your car – higher efficiency means less energy lost.
ATX 3.1 & PCIe 5.1 Ready
These are the latest industry standards. ATX 3.1 handles power spikes better, preventing system crashes, and PCIe 5.1 includes the new 12VHPWR connector, which is crucial for directly powering the newest, most power-hungry graphics cards without adapters.
Fully Modular
This means all cables detach from the PSU. You only connect the ones your system needs, which drastically reduces cable clutter inside your case, making your build look cleaner and improving air circulation for better cooling.
Alternatives
If this PSU doesn't fit, look for models with higher or lower wattage based on your GPU and CPU, a different efficiency rating (Bronze, Platinum, Titanium) for varying energy savings, or a different form factor if you have a specialized case.



