Power SuppliesReviews

Cooler Master MWE Gold 850 V2 Full Modular Power Supply Review

Performance and Testing

Test setup and Testing Methodology

I do not have the specialized equipment for PSU testing (which costs thousands of dollars). So the best way I could do test the PSU is by using what we’ve got. My testing method involves comparing the voltage and power consumption reading during idle and at full load. I know it’s not the most accurate method technically, but I think this simple method should provide some ideas of the performance of the power supply in terms of stability and power consumption.

CPU AMD Ryzen 7 3700X (Matisse)
Cooling Gigabyte Aorus Liquid Cooler 240
Motherboard Gigabyte X570 AORUS Master
Ram Thermaltake Toughram XG RGB 16GB (2x8GB) DDR4-4000 CL19
HDD XPG 256GB PCIE M.2 SSD
PSU Antec Signature 1000W
VGA card EVGA 3070Ti FTW Ultra
OS Windows 10


The main thing to watch out for, is the fluctuation on the +12V line. If the +12V line drops to below 12V during full load or large fluctuations in the
V readings … then you’ve got trouble. The system may unstable and you might also get random reboots.

 

Efficiency Requirements for 80Plus Certification

 

We used AIDA64 and simultaneously ran both CPU and GPU stress test which produces 100% load. We then checked the voltage readings on AIDA64.

Load

Voltage readings taken from ADIA64 at idle

  • +12V : 13.185V
  • +5V : 5.130V 
  • +3V : 1.802V

Idle

Voltage readings taken from ADIA64 under load

  • +12V : 13.108V (-0.077V)
  • +5V : 5.100V (-0.030V)
  • +3V : 1.782V (-0.020V)

At full load for both CPU and GPU, the system is drawing a decent amount of power, and you can see that the voltages have dropped slightly. This is expected. What you’re looking for is to make sure that the +12V reading don’t drop to below 12V. If it does, then the system may become unstable.

In this case, the Cooler Master MWE Gold V2 850W is holding up well at 13.108V

 

Now lets move on to the Conclusion and Verdict!

 

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