Coolmax CUG-950B 950W Power Supply

Final Testing and Conclusion

5V testing:

Coolmax CUG-950B 950W Power Supply Review

Similarly, the 5V rail was also solid. Very little voltage drop and minimal voltage fluctuations were seen.
12V testing:
Coolmax CUG-950B 950W Power Supply Review
Similar impressive results for the 12V rail were found. Also, note the very stable performance on the quad 12V rail.
As you can see, the Coolmax CUG-950B PSU delivers solid performance that did not vary greatly under loaded conditions. But at these levels it is unlikely that you will notice any instability in the hardware being powered.
Overall, I was impressed with the build quality and performance of the Coolmax CUG-950B PSU. The sleek exterior, large yet quiet fan, and modular cables make this unit very esthetically pleasing, and the stable performance at high loads should provide your computer with all the horsepower it needs. Despite a couple of minor nits that likely only a picky builder would notice, I think Coolmax was successful in proving with this unit that green power is the way to go.
+ Solid performance with quad 12V rails
+ High efficiency despite high power output
+ Quiet operations
+ Sleek, all-black exterior
+ Modular flat cables
– Cables are a bit stiff initially
– Doesn’t come with 3-pin fan connectors or separate P4 connectors

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