yfital Posted March 16, 2006 Posted March 16, 2006 Heya, i just have to ask, although i know there are a lot more things to look at, i just have to understand why my 480 psu is considered so... weak. this is the basic paramaters of the psu, ill add that the max 3.3,5,12,12 rails is ~420, which is legitmet (its always about 60 less then the written number, as for other rails taking some as well) i take it against the "best of the best" Antec TP 2 - 480 Output +3.3 +5 +12 12 +5 sb -12 Amps 30 38 18 18 2 1 PC P&C 510 ASL Output +3.3 +5 +12 12 +5 sb -12 Amps 30 40 34 nil 3 2 Enermax 600W (New) Noisetaker 600W EG701AX-VE (W) Output +3.3 +5 +12 12 +5 sb -12 Amps 34 34 18 18 0.8 2.5 now, considering my amps are well in line, the only diff, is max W, and with all due respect, i dont see any probs of running my sys, even with OC with these Watts. am i missing anything? im just eager to understand why everyone sais this psu is that weak... (and yes, they are 8 pin, mine is 4, that is less clean power, i do know that) what am i missing? i aint trying to piss anyone or be overzelous... just trying to find out if i really need to switch my psu, and not just because it aint on the recommanded psu list Share this post Link to post Share on other sites More sharing options...
RGone Posted March 16, 2006 Posted March 16, 2006 One thing that you do not show in your ratings is at what temps are the ratings stated to be good or in other words what temps do they rate the supplies? Increased temps decrease the ratings as the supply effeciency drops off. Another way to say that would be that a power supply with ratings given at 25C would not likely perform as well as a power supply that the ratings were for 40C or 50C. 25C is only good really just as you turn the supply on as temps rise fast after that and output could decrease. So I always try to look at what temp level ratings are given as a definer of the supplies value as well. RGone... Share this post Link to post Share on other sites More sharing options...
yfital Posted March 16, 2006 Posted March 16, 2006 well, the antec says 0-50 working and mtbf of 80000 @ 25c, though i aint sure you meant any of these? if you meant the 0-50, well the p&c is the saem, as for MTBF, they just state number of hours, not temp cant even seem to find it on the enermax antec http://www.antec.com/specs/TPII480_spe.html p&c http://www.pcpowercooling.com/products/vie...&view=techspecs enermax http://www.enermax.com.tw/english/upload/d...10571413719.pdf still searching for the data... Share this post Link to post Share on other sites More sharing options...
Fum Posted March 16, 2006 Posted March 16, 2006 The antecs are tested at 25C then given a rating. A pc p&c is tested at 50C then given its rating. What he's saying is that when that antec is put in an environment hotter than the one it was tested in, you will see it's performance drop. Most people have inside case temps warmer than 25C. Share this post Link to post Share on other sites More sharing options...
yfital Posted March 16, 2006 Posted March 16, 2006 i understood what he said perfectly, i seem to cant be able to find any place stating the p&c or the enermax is rated @ 50c and not lower... that is what i said... Share this post Link to post Share on other sites More sharing options...
Fum Posted March 16, 2006 Posted March 16, 2006 aaah, gotcha. I recall seeing those details posted on the pc p&c site, not sure they list that on the PSU? Share this post Link to post Share on other sites More sharing options...
yfital Posted March 16, 2006 Posted March 16, 2006 dunno, thats my exact question, my psu has been trashed and i wanna know if the reason for it is solidified... i mean, i know P&C are better, duh, they cost double... i just wanna know if mine is bad, and not just because it says 480. Share this post Link to post Share on other sites More sharing options...
Squid1 Posted March 16, 2006 Posted March 16, 2006 Antec Truepower are actually not bad at all. Share this post Link to post Share on other sites More sharing options...
yfital Posted March 16, 2006 Posted March 16, 2006 yup, thats what i thought, but it got accused more then once in crashing my computer, even though i state it was sandra, they say the system was on the edge, and sandra just kicked it over... i think it wasnt, im accually pretty sure of that, so before switching psu as they all say, i think i need to figure out whats so bad about it Share this post Link to post Share on other sites More sharing options...
Hawk454 Posted March 16, 2006 Posted March 16, 2006 Antec is a great brand in my opinion so do not discount because of name. You are definitely pushing that PSU to the max. Using an online PSU calculator with your devices listed, I would guess your max wattage is somewhere near 400 watts give or take 10 watts. That would put you around 80% load at typical temperatures of high 30's Celsius or possibly mid 40's if case air flow is not crazy (as is typical of watercooling setups). The PSU is rated at 480 watts at 25` Celsius and drops as temperature rises. You could be pushing 90% capacity after temperature factoring which would cause limitation somewhere. Overclocking dual cores, three harddrives, optical drive, add-on PCI card, fans, and watercooling seems a high load for 480 watts. PS. Those PC P&C Turbo Cool power supplies are the stuff of dreams. I want one! Wife will not ever let me spend that much on such a hidden component in the system. Without doubt the best designed power supply on market, but who is number two in electrical design? Enermax Noisetaker? Share this post Link to post Share on other sites More sharing options...
yfital Posted March 16, 2006 Posted March 16, 2006 true true, but a. i have fans, which is bad for extra watt and good for cooler place b. with the extreme psu calc i get 400-420 when ocing, meaning with 1.6 or so vcore, i get lower without the oc, and as i dont plan being on such high volts for 24/7, i think its ok but yes, it is close to the limit, i will admit that... though at time of death i wasnt with higher vcore, i was on 1.34 or so... so it more or less takes that out of the equation i think (was with stock gpu as well) c. the only reason im considering a bigger psu is for a bit mroe extreme OC with maybe a better and stronger pump in the future... Share this post Link to post Share on other sites More sharing options...
PL4YD34D Posted March 16, 2006 Posted March 16, 2006 its not just the numbers on a psu that mean its good or bad. the build quality and stability of the supply is another key point. antec are indeed quite good, but like it says, the tests are carried out in an environment that doesnt really represent real world usage. if antec stood by there product, they would show test results for operation at 50c. think about this : the intake fan on your case pulls in air at room temp. then the fan in your PSU blows that air out across the internals. so if your PC is in India at noon , you are probably blowing 40c air across your supplys components. now at higher temps, stability of the supply is greatly reduced. which is why a quality PSU manufacturer will make sure there supplies are rock solid up to or at 50c and show figures for it. Israel is a warm country by all accounts, so you need not only great cooling in your case, but also a seriously reliable PSU. the people who come on this forum use all types of supplys and the ones telling you that you need a better PSU are telling you coz they know from experience. Stable Power = Stable Rig Unstable Power = Unstable Rig = Crashes + System lockups + Component failure Here endeth the rant Share this post Link to post Share on other sites More sharing options...
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