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PC Power Supply Discussion Troubleshooting and discussion of computer power supplies

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Old 12-07-2017
Gondolin Gondolin is offline
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Default Avoiding overshoot of High End PSU requirements negligible in this day and age?


I have a habit of replacing my PSU every 5 years so soon it'll be time.
Anyway, my question results from the following (amateur) thought.

Let's say a 850W Titanium PSU would probably only be 60% loaded when my system goes into gaming mode with a bit of OC (I might be exaggerating).

A 650W Titanium PSU probably around 75%, thus possibly be louder and have slightly less favorable measurement results.

Is this true? How far (in per cent) should a PSU be under load? What are the disadvantages of overshooting? How does the bigger PSU handle lower/idle loads in comparison?

i7-4790K (only mce active, right now)
16GB DDR3-2400Mhz SavageX
Planned MSI Gaming X 1080 TI (right now 1080)
SBZ sound card
WD Red
WD Green
Dark Power Pro P10 650W bought in 2013
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Old 12-07-2017
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-The_Mask- -The_Mask- is online now
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Don't replace your be quiet! Dark Power Pro P10 650W, it's still more then enough, even with the upgrades. It's also an extremely silent power supply, with a better fan than almost all power supplies out there.
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