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 | Intel Core i5-10600K |
| Cooling | Cooler Master Hyper 212 EVO V2 |
| Motherboard | Gigabyte z490 AORUS Master |
| Ram | Lexar DDR4-3200 UDIMM 32GB CL22 |
| HDD | Lexar NQ100 480GB – 2.5″ SATA III SSD |
| PSU | Cooler Master XG850 Plus Platinum |
| VGA card | EVGA GeForce RTX 3060 Ti FTW3 Ultra Gaming
ZOTAC Gaming GeForce RTX 3070 Twin Edge |
| 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.
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 : 12.168V
- +5V : 5.070V
- +3V : 3.344V
Idle
Voltage readings taken from ADIA64 under load
- +12V : 12.096 (-0.072V)
- +5V : 5.070V (-0.000V)
- +3V : 3.344V (-0.000V)
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 XG850 Plus Platinum Power Supply is holding up well at 12.096V
Now lets move on to the Conclusion and Verdict!
