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New PSU for UD-9 - Page 2

post #11 of 48
Quote:
Originally Posted by Havokr505 View Post
Lol, your kidding right? theres nothing wrong with your PSU. The power usage from a motherboard to another is negligable...
fixed

and some of the really really high end units do require more power to run than cheap-o boards.

but yes, the 850TX is capable of powering a high end system with 480 SLI... it will be stressed and it might not last very long, but it can do it.
    
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post #12 of 48
I wouldn't say overly stressed, might see loads around 550 - 600w while gaming.
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post #13 of 48


787w GTX480 SLI

yes this is furmark, so its more stressful for the GPU than games, but furmark doesnt load the CPU at all. so with an OC'd CPU youre looking at 800+w loads. so yea, the 850TX will be running hard to power GTX480 SLI and a quad/hex core CPU.
Edited by IntelConvert - 1/25/11 at 10:21pm
    
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post #14 of 48
Quote:
Originally Posted by IntelConvert View Post


787w GTX480 SLI
with no CPU load.....add on 125W minimum for a fast CPU these days....
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post #15 of 48
yea, in real games the GTX480 SLI will be closer to 700w, but 125w (not OC'd, ~150+ OC'd) youre looking at 850w easily.

i would DEFINATELY look for atleast 950w+ for GTX480 SLI
    
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post #16 of 48
Quote:
Originally Posted by wumpus View Post
with no CPU load.....add on 125W minimum for a fast CPU these days....
And subtract a great deal for this being from the wall measurements.
post #17 of 48
are they AC readings? i read through the article a bit, they didnt say if they converted it to DC or not.

lets say it does 85% efficiency, thats still ~670w + CPU load... stressful for a 850w
    
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post #18 of 48
Quote:
Originally Posted by IntelConvert View Post
are they AC readings? i read through the article a bit, they didnt say if they converted it to DC or not.

lets say it does 85% efficiency, thats still ~670w + CPU load... stressful for a 850w
Stressful for an 850W... what? What, is anything north of 200W stressful for any PSU? Oh, I don't want to stress my HCP-1200, I won't run more than a 5450 on it. These things are made to be run at high loads, an 850W power supply is a serious piece of hardware. It's not like it's going to die in a year if you load it up to full load now and then. You don't have to baby it.
post #19 of 48
Quote:
Originally Posted by Phaedrus2129 View Post
Stressful for an 850W... what? What, is anything north of 200W stressful for any PSU? Oh, I don't want to stress my HCP-1200, I won't run more than a 5450 on it. These things are made to be run at high loads, an 850W power supply is a serious piece of hardware. It's not like it's going to die in a year if you load it up to full load now and then. You don't have to baby it.
i know you are the PSU Guru in these parts and i would gladly take your opinion over my own. i know you know more than me about the internal workings of the PSU and i often refer to your posts for information, but i dont see how you can compare GTX480 SLI to a light load? you know better than most people how much power the 480s consume and they are known for their terrible power efficiency...

during games, that psu will be putting out 90% or more of its rated wattage all the time, thats not really 'full load now and then". the TX850 isnt a slouch PSU, but still... it has its limits

if im missing something here, just point it out to me and i will remove my vote for getting a stonger PSU for 480 SLI, but i dont see someone such as yourself running GTX480 SLI in your rig on an 850w unit.
    
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post #20 of 48
Quote:
Originally Posted by IntelConvert View Post
i know you are the PSU Guru in these parts and i would gladly take your opinion over my own. i know you know more than me about the internal workings of the PSU, but i dont see how you can compare GTX480 SLI to a light load? you know better than most people how much power the 480s consume and they are known for their terrible power efficiency...

during games, that psu will be putting out 90% or more of its rated wattage all the time, thats not really 'full load now and then". the TX850 isnt a slouch PSU, but still... it has its limits

if im missing something here, just point it out to me and i will remove my vote for getting a stonger PSU for 480 SLI, but i dont see someone such as yourself running GTX480 SLI in your rig on an 850w unit.
We're talking 750WDC during maximum heavy CPU+GPU stress testing, and 650WDC during heavy gaming or folding, as low as 550W during most games, and probably 300W idle.

That doesn't stress a TX850 unduly at all.
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