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Base the estimate on CPU, GPU, drives and accessories. Follow GPU-maker recommendations and keep additional headroom for peak loads and future upgrades.

How much PSU wattage does my PC need?

For modular PSUs, use only cables intended for the exact PSU model or series.

For modular PSUs, use only cables intended for the exact PSU model or series.





Disconnect AC power.



Install the PSU in the case.



Orient the PSU fan toward ventilation when possible.



Secure it with screws.



Connect only required cables.

How do I install a power supply?

Input voltage varies by model. Check the PSU label or the U.S. product-page specifications.

Does my darkFlash power supply support universal input voltage?

It is a high-power GPU connector used by compatible modern graphics cards and PSUs. Match the connector orientation, push it in until the latch is fully engaged, and verify there is no visible gap. Avoid bending the cable within approximately 35 mm of the connector, and do not repeatedly force or sharply bend the cable.

What is the 12V-2x6 connector?

Do not use modular PSU cables from another power supply unless they are specifically confirmed to be compatible with your exact PSU model.

Modular PSU connectors may look identical while using different internal pin configurations. Using an incompatible cable may damage the power supply or connected components.

This also applies to high-power GPU cables such as 12VHPWR or 12V-2x6 cables.

For safety, use the cables supplied with your darkFlash power supply or replacement cables specifically approved for your PSU model.

If you are unsure, contact darkFlash Customer Support before connecting the cable.

Do not use modular PSU cables from another power supply unless they are specifically confirmed to be compatible with your exact PSU model.

Modular PSU connectors may look identical while using different internal pin configurations. Using an incompatible cable may damage the power supply or connected components.

This also applies to high-power GPU cables such as 12VHPWR or 12V-2x6 cables.

For safety, use the cables supplied with your darkFlash power supply or replacement cables specifically approved for your PSU model.

If you are unsure, contact darkFlash Customer Support before connecting the cable.

Can I use PSU cables from another power supply, brand, or model?

They are newer PSU design specifications that address modern hardware and transient power demands. Check the exact model specification.

What are ATX 3.0 and ATX 3.1?

Warranty coverage varies by model. Use the warranty shown on the exact U.S. product page and the U.S. Warranty Policy.

How long is the warranty for my darkFlash power supply?

As an enthusiast of games and computer DIY in this age, we, darkFlash, feel proud and grateful for keep thinking how to develop impressive and extraordinary products with high-end facilities by assembling and using the PC cases, CPU coolers, case fans, and even gaming chairs and tables in person.

Our goal is to create products that could extremely exert its effect by every user.