
The Cooler Master V SFX Gold 750 ATX 3.0 is a 750W, SFX form factor, fully modular ATX 3.0 power supply, featuring a single fan mode and is priced at a current MSRP of $169.99 USD.
Despite the availability and small form factor, our tests on two units revealed some reliability issues. We tested two units, the first sample died after the 20°C OCP test, while the second sample died during the OPP test. The following test results are from our first sample tested, as the second sample did not provide sufficient data. The first failed sample has been returned to Cooler Master, and they are investigating the cause. Updates will be provided as more information is available.
Performance-wise, if neither of the power supplies failed the protection tests, this power supply would have done well. Given the two failures during the protection tests, we cannot recommend the Cooler Master V SFX Gold 750 ATX 3.0.
WHAT YOU NEED TO KNOW
THE GOOD
- Performance
Good load regulation and good resiliency to brownouts.
THE BAD
- Failed Testing
Testing was incomplete due to hardware failures. This happened with two different samples.
THE REST
- Overall
Labs does not recommend this PSU. Both units failed before completing the full test suit. As a result, we cannot ensure its performance under high loads or its potential impact on your computer.
The Cooler Master V SFX Gold 750 ATX 3.0 is a compact SFX form factor power supply, smaller in all dimensions compared to an ATX form factor. Though, it can be used in ATX-supported cases with the provided adapter bracket.
In the Box, it included adequate accessories, such as velcro cable ties and zip ties. The included 12VHPWR cable is braided, while the rest of the cable set are of webbed construction and moderately flexible. The 12VHPWR cable allows delivery of up to 300W to a GPU, and has a 90 degree PCIe 5.0 connector.
The fluid dynamic bearing fan is measured at 92mm. On the Cooler Master specifications webpage it specified that the Operating Temperature is 0°C to 50°C, though we cannot verify this through testing.
Please be aware that while we've tested the ATX 3.0 version of this power supply, there is a similarly named and branded power supply by Cooler Master that is distinct from the model we've tested. We tested the "V SFX Gold 750 ATX 3.0", but there is also a legacy model "V750 SFX Gold" with product numbers published on Cooler Master's website as "MPY-7501-SFHAGV-3XX" and "MPY-7501-SFHAGV". However, the label on our "V SFX Gold 750 ATX 3.0" states the product number as "MPY-7501-SFHAGV", so be cautious when ordering this model and make sure the package and listing clarify that it is the ATX 3.0 version.
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Front of the box.
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Power input side of the PSU.

Top of the PSU displaying the fan.

Bottom of the PSU displaying the specifications.
+12 V | +5 V | +3.3 V | +5 Vsb | -12 V | |
---|---|---|---|---|---|
CURRENT | 62.5 A | 20 A | 20 A | 3 A | 0.3 A |
WATTAGE | 750 W | 120 W | 15 W | 3.6 W | |
750 W |
Please note that the above ratings are manufacturer advertised specifications.
The V SFX Gold 750 ATX 3.0 operates with a single fan mode and has standard safety protections. While people expect their ATX power supplies to continue to operate after triggering the protections, technically the protections are only required to prevent any hazards to people or equipment. In this case, the protections triggered and the power supply no longer operated.
The power supply is supported by a 10 year warranty, as expected for a power supply of this class.
The V SFX Gold 750 ATX 3.0 maintained good voltage ripple for most of the load range with a jump at the 110% load for the 12V rail.
It demonstrated good load regulation with a slight irregularity on the 3.3V rail, though this should not cause any issue in regular usage. Throughout the full rated output power range, there was a 0.237V voltage drop on the 12V rail, which is inside ATX specifications.
As for the excursion tests, it performed poorly for the 12V regulation of the excursions. The 12V rail dipped down to approximately 10.9V on the fastest 0.1ms excursions. A few of the test durations were inconclusive and testing could not be repeated as the power supply failed.
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The V SFX Gold 750 ATX 3.0 is rated at 80PLUS Gold and met the requirements for this rating, measuring 91% efficiency at 50% of its maximum rated load. As for brownout tests, it performed quite well as it lasted long against the dropouts, only dropping at 18ms dropouts at full rated load.
As previously stated, one of the two samples tested died during the OCP tests, with the 12V rail causing the failure, as opposed to the minor rails in other failures that we have observed throughout our tests. As the OCP and OPP were set very closely to the actual rating, it did not always succeed at our 110% test points at 115V, which other power supplies typically have no issue with. Please note, we conducted these tests before we implemented the 300% OCP limit, therefore the -12V rail goes up to 523%.
