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So much power consumption.. is this right? - Page 4

post #31 of 68
damn vid ninja

and its actually 1700 dc @ 80%
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post #32 of 68
2200W at 85% efficiency would be ~1870W.

I'm sorry, but I need more proof.
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post #33 of 68
Quote:
Originally Posted by TwoCables View Post
2200W at 85% efficiency would be ~1870W.

I'm sorry, but I need more proof.
It's slightly below 1700 DC, calculate the efficiency drop yourself.. as far as proof is concerned, I'm not here to make you a believer
post #34 of 68
Quote:
Originally Posted by Unoriginal Sin View Post
It's slightly below 1700 DC, calculate the efficiency drop yourself.. as far as proof is concerned, I'm not here to make you a believer
I just did. 2200W x .85 is 1870. 2200W x .8 is 1760.

What efficiency are you asking me to use?

Either way, I'm not going to believe this until I see some of our PSU experts here on OCN confirm it.
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post #35 of 68
That Video is non conclusive 2KW from the wall but how much is the actual PSU dispersing ?

Also because you say its ok to run 1200 watt constant load, (to me = bad idea)
Look at it this way,
You have a car engine designed to run at 14000 rpm so does that mean its good to run it at that constant rpm,

Also like I stated before the higher you climb up the voltage ladder the hotter things will become its an electrical fact,
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post #36 of 68
Quote:
Originally Posted by TwoCables View Post
I just did. 2200W x .85 is 1870. 2200W x .8 is 1760.

What efficiency are you asking me to use?

Either way, I'm not going to believe this until I see some of our PSU experts here on OCN confirm it.
even Phaedrus confirmed that it can do 1700 continuous

and we estimate that it does it at 80% efficiency
Edited by obsidian86 - 10/7/11 at 9:20am
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post #37 of 68
Quote:
Originally Posted by macca_dj View Post
That Video is non conclusive 2KW from the wall but how much is the actual PSU dispersing ?

Also because you say its ok to run 1200 watt constant load, (to me = bad idea)
Look at it this way,
You have a car engine designed to run at 14000 rpm so does that mean its good to run it at that constant rpm,

Also like I stated before the higher you climb up the voltage ladder the hotter things will become its an electrical fact,
Some PSUs are rated for continuous power delivery and some are not. The 1200W High Current Pro is rated to be able to continuously deliver 1200W.

Generally, almost every PSU that gets recommended here on OCN is a continuous-rated unit. The rest (in general now) are peak-rated.

A 550W peak-rated PSU cannot deliver 550W for much longer than a brief moment. A good 550W continuous-rated PSU would just do it without a problem.


Quote:
Originally Posted by obsidian86 View Post
even Phaedrus confirmed that it can do 1700 continuos

and we estimate that it does it at 80% efficiency
Now we are getting somewhere.

Thank you!
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post #38 of 68
Quote:
Originally Posted by macca_dj View Post
I would think pushing any power supply close to its belt line of maximum power draw is going to severely decrease the overall performance of the components within said unit due to the electrical resistance and heat,
If you're talking about low end/value units you're right, however.. buying a premium PSU like the one discussed here and never loading it to full output(not even in benching sessions), makes for a waste of money because essentially, you don't need that much power.. it's not 2005, we're well passed the 'efficiency sweet spot' brain dead rhetoric.. the efficiency gains are marginal(at best) when loading them well below full output(almost never justifies the additional cost), and the caps used are all high quality(they don't degrade in any significant manner).
post #39 of 68
Jeez my i7 970 at 4.2 and single 470 at 825 core only pulled 480 w from the wall running prime95 and furmark


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post #40 of 68
Quote:
Originally Posted by obsidian86 View Post
even Phaedrus confirmed that it can do 1700 continuos

and we estimate that it does it at 80% efficiency

I asked phaedrus about the HCP1200 and he kindly replied back with a PM sometime last month, it was quite a lenthy explanation on the what the HCP is capable of. Unfortunatly I cleared my inbox before that, however I do remember him saying that 1500w DC (or was it 1600w) is very much doable on the HCP 24/7, but he wouldn't be comfortable doing any higher than that.

Damn you OCN, if only there was a way to retrieve deleted pm's.
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