Conclusion and Verdict
I can’t believe what I’m seeing here. How it is possible that a compact SFX power supply, no bigger than a couple of cans of Coke/Pepsi, can easily power a complete system with high-end PC components? That’s just crazy!
Measuring just 100 x 125 x 63.5mm, it’s one of the smallest PSUs we’ve tested in our labs. And it’s perfect for any mini-ITX systems, or custom PC builds (such as a special modding project), that require a solid, reliable and compact power supply supporting the 12VHPWR connector and ATX 3.0 standards.
For our test rig, we used an Intel Core i9-14900K processor, which has a Turbo Boost TDP of 253W+, along with the GeForce RTX 4080 SUPER with a TBP of up to 320W. At 100% load, just these two components alone consumes a lot of power.
During our AIDA64 full load tests, the +12V line on the PSU dropped from 12V idle to 11.094V at load. A small change of only -0.096V. Nothing to be concerned about, but I would watch this carefully. If that 12V line drops below 11V … then we might have a problem.
For the +5V line, it dropped from 4.96V to 4.920 (-0.04 difference) and for the +3.3V line, it also dropped from 3.312V to 3.264 (-0.048 difference).
Although all 3 voltage lines did drop during 100% full load, I’m still pretty happy with the performance, stability and reliability of the power supply, so no real complaints here.
I love the flat modular cables as it allows for easy cable management, plus it allows me to use the only cables I need. However, the cables are a little shorter than I expected, and this could a problem for larger ATX cases.
The power supply does not come with any RGB nor does it feature any Smart Zero fan on/off switch. There’s a sticker covering the power socket. It states that the fan does not spin until a specific core temperature is reached. What that temperature is … is not mentioned.
The power supply is rated 80 Plus GOLD, which means it offers a power efficiency of up to 87% at full load. This is more than enough more for most PCs, even with power-hungry components installed.
However having said that, if you do overclock or have a beefy system that’s used for heavy work loads, I would recommend a larger power supply of 1000W or higher.
You can buy the Cooler Master V SFX GOLD 850 ATX 3.0 Power Supply for around USD $149 from Amazon – https://amzn.to/4bM9EPL.
Final Thoughts:
The Cooler Master V SFX GOLD 850 ATX 3.0 Power Supply is the go to product, if you want a compact modular PSU in a SFX form factor, that supports the 12VHPWR connector and ATX 3.0 standards. It’s certified 80 Plus Gold, and offers decent stability, good reliability and it’s all back by an impressive 10 year warranty.
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