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My PSU Usage for future reference :)

S

soulesschild

Supreme [H]ardness
Joined
Feb 18, 2007
Messages
6,176
I've been around asking about different PSUs before and actual load. So today I found out my whole rig, including the 3 monitors you see, top out at 590w when playing Crysis Warhead max settings at 2560x1650.

Just thought I'd share :)
 
Are you using Kill-A-Watt or UPS to measure your wattage? If so, you should read the following for future reference:
Paul_Johnson said:
Yes and a quick search would turn up this topic a million times over. Here is the recap:

1) APFC can fool Kill-A-Watts into giving you abnormally low readings (some times giving better than 100% efficiency)

2) Power supplies derate with temperature anywhere from 2w/c above a nominal rated at value to 10w/c.

3) Kill-A-Watt's and most power meters sample too slowly to catch transient loads (the Transient load from our tests is 117w and is COMPLETELY missed by Kill-A-Watts).

4) Power supplies last longer if you stay in the 40% to 60% range of their output.

5) power supplies are quieter if you stay in the 40% to 60% range of their output.

6) Power supplies are cooler if you stay in the 40% to 60% range of their output.

The power meters in UPS software are just as bad. You have to spend some change before you get anywhere near an accurate power meter when your PSU has APFC.
Click to expand...
 
It's based on my APC BX 1500LCD reading. Is that something that shouldn't be trusted like the Kill-a-Watts?
 
Danny Bui said:
It's a UPS so yes, not as trusted as the Kill-A-Watts.
Click to expand...

So then what is a real way to measure load output if I were trying to see if I was within the 40-60% mark? Would that only mean professional equipment or is there a margin of error say 10% give or take that I could use?
 
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