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post #51 of 73
ablearcher: why do you think that the independently tested units had no problem being in spec and putting out ~430w on the 12v rail?

miahallen's last post in that thread Says it should be handled via rma. And there are others have no problem with the PS.

Plus he is overclocking the card and cpu. shows a 480 stock using 320w...

So I think may have a bad sample and/or the system is pulling more than his meter is showing. Its pretty well guaranteeds that a killawatt is not the best at some APFC measurement right?
post #52 of 73
Quote:
Originally Posted by subtec View Post
@Crucial09

You keep on saying he should get a more powerful PSU, but you seem to be missing the point that the 450w Silverstone unit is the most powerful that will fit; the SG05 only supports SFX power supplies.

Also, your power draw estimates are... off base, to say the least. 50 watts for fans? Really? Maybe if you've got a dozen or more or they're 150cfm screamers. Yeah, you can find 120x38mm fans that do 200cfm at 4500rpm and pull 20w, but if you value your hearing at all (like most people) you'll stick to <2000rpm fans, and those only pull 2-4w each. You'll be hard pressed to fit more than a couple in such a small case anyway.

Keep in mind power draw of a component is usually the maximum it can draw, not what it actually will draw 99% of the time. It's also very hard to make all the components draw their maximum power at the same time. Take a look at these charts which show the difference between idle, typical 3D (e.g., gaming) and max 3D (e.g., furmark) power draw for video cards. Idle is maybe 10-15% of max for current gen cards, while gaming is 60-70%. Unless you enjoying benching, you're not going to see 100% power draw on a video card.

Another thing you should be aware of is that most reviews measure the wattage at the wall, which means it's the total power draw including the power lost to the PSU's inefficiency. Most PSUs are 80-87% efficient, so the measured power draw is going to be ~15% more than the components are actually drawing.

Xbitlabs is one site that measures actual power consumption of the components directly, including the individual rail loads. Read this article for a good overview of what a system actually needs. Even their highest end gaming system (though somewhat outdated) barely uses 500w under maximum benchmarking conditions.

Also - re: "good quality" vs. "bad quality" PSUs: some cheap and/or older PSUs are rated at XXX watts but if you look at the individual rails most of the current is available on the 3.3v and 5v rails. Modern computers draw most of their current from the 12v rail, so that's what you need to look at when selecting a PSU. It's quite possible for a PSU rated at 300w to have more current available on the 12v rail than one rated at 400w, which would probably make the former a better choice.

as for the fans, i said worse case scenario.
sure it could be less, probably is. But still that is pushing 450W psu to its max. And that is not a quality psu as pointed out. So I doubt it could even put out 450 watt.

You need to rethink your case, for your psu's sake. Or get a less power drawing card. 560ti maybe.
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post #53 of 73
Thread Starter 
Hmm.. screw the 580. I see it's available in april or something... I will use the 570 Phantom, in other words. I'm ordering as i write this.
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post #54 of 73
Quote:
Originally Posted by hellonwheelz View Post
ablearcher: why do you think that the independently tested units had no problem being in spec and putting out ~430w on the 12v rail?

miahallen's last post in that thread Says it should be handled via rma. And there are others have no problem with the PS.

Plus he is overclocking the card and cpu. [URL="http://xtreview.com/addcomment-id-11873-view-Geforce-GTX-480-TDP-in-details-320-w-peak-load.html"/URL] shows a 480 stock using 320w...

So I think may have a bad sample and/or the system is pulling more than his meter is showing. Its pretty well guaranteeds that a killawatt is not the best at some APFC measurement right?
So sucks for the rest of us using GTX570 cards and HD5870 cards (even miahallan was using a HD5870, too)?

After reading the entire thread on each board, there has been no sucess story so far... if you want to correlate, I'm, 'jeremyshaw' @ [H] He's mentioned RMA, but as with every other user afflicted (those using "high end" equipment), we've likely simply given up hope, with no good story following.
Edited by ablearcher - 2/23/11 at 9:00am
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post #55 of 73
Quote:
Originally Posted by [Nuc] View Post
The length isn't a problem, you can cut a hole in the case to enable 10.5" support.
I like this guy that's an awesome answer!
Quote:
Originally Posted by [Nuc] View Post
Hmm.. screw the 580. I see it's available in april or something... I will use the 570 Phantom, in other words. I'm ordering as i write this.
I would get a quality gold rated 550watt PSU. Build looks great I finished up my mATX build last night with the arrival of my 2TB f4 and thermaltake a30. Post pictures when you mod the case.

Edit: side note how is denmark? Im going to be studying abroad for a full academic year at Aarhus School of Business.
post #56 of 73
Thread Starter 
I don't know. The only part of Denmark I see is the part just outside my window
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post #57 of 73
Quote:
Originally Posted by ablearcher View Post
So sucks for the rest of us using GTX570 cards and HD5870 cards (even miahallan was using a HD5870, too)?

After reading the entire thread on each board, there has been no sucess story so far... if you want to correlate, I'm, 'jeremyshaw' @ [H] He's mentioned RMA, but as with every other user afflicted (those using "high end" equipment), we've likely simply given up hope, with no good story following.
I don't exactly have an answer, but anyone can read through the thread, http://www.overclock.net/small-form-...l#post11699285 for instance isn't having a problem.

Then he switched to a 570 and still has no problem. Isn't that "high end"?
post #58 of 73
Quote:
Originally Posted by [Nuc] View Post
I'm pretty sure it Will fit. Cooling Night be a problem. Afaik it doesnt blow air out ón the outside. Btw posting this from iPhone with autocorrect sucks
The key to thermal management is exhaust all heated air immediately out the case. It's a simple rule. Macs do it. Intel says to do it. even birds and bees do it.
post #59 of 73
Quote:
Originally Posted by hellonwheelz View Post
I don't exactly have an answer, but anyone can read through the thread, http://www.overclock.net/small-form-...l#post11699285 for instance isn't having a problem.

Then he switched to a 570 and still has no problem. Isn't that "high end"?
read through the threads I linked... nowhere does he say, after switching, "no problem" Nowhere near that!


but just in case:

http://hardforum.com/showpost.php?p=...5&postcount=59


The followup.
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post #60 of 73
Quote:
Originally Posted by ablearcher View Post
read through the threads I linked... nowhere does he say, after switching, "no problem" Nowhere near that!


but just in case:

http://hardforum.com/showpost.php?p=...5&postcount=59


The followup.
Quote:
Originally Posted by cj3waker View Post
well i swapped out the 5870 for a 570 and still have had 0 issues. i pumped the cpu up to 1.3v but im kind of leary of going too high on these chips. I know the new sb cpus coming up are supposed to be intel specd at 1.5x max. so perhaps i can get one of those sometime here and put it at 1.5 and let you know. ive still had 0 problems with my psu and no noticeable noise.
http://www.overclock.net/small-form-...l#post11926327

Since he did say it, maybe we are both right. People are having problems and it's been independently verified that the PS meets specs at least 3 times. 80 plus and the other 2 tech sites.

If you keep RMAing your PS that should help figure out the solution for everybody. Since this is THE 36A sfx game in town, the sooner we find out whats at the bottom of this the better. Would you agree?
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