PSU with high operating temperature?

erythrophilia

Junior Member
Aug 11, 2009
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I'm looking for a high wattage PSU that can stand high temperatures. I can only find the Corsair TX series so far, which is advertised to work at 50C. Do you know any others?

Yes, I know I should cool the case better and such, but room temperature is a little bit high so a high-temperature PSU is desirable.
 

mindless1

Diamond Member
Aug 11, 2001
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1,717
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You did not mention peak wattage you require in use.

Temperature is mostly about fan speed capability and derating. In other words, a PSU advertised as 600W at 50C isn't necessarily any more fit for 50C temperature than an 800W running at same load at 50C temperature.

However for best life, pick one with major brand Japanese capacitors, they tend to hold up better under high heat conditions.

50C though, that's pretty hot (122F). Is there really this extreme an environment or might you just need more chassis airflow? Granted the interior of a PSU will be in this range but the proper engineering spec isn't what the inside of the PSU reaches, it's what the ambient temperature outside the PSU is.

Also, be sure to get one with dual ball bearing fans as lifespan goes up markedly as temperature rises.
 

erythrophilia

Junior Member
Aug 11, 2009
13
0
0
Yes, I forgot to tell you the wattage I need. It should be 700W and up.
The computer will be shipped to a tropical area with probably no air conditioning (may or may not). I just want to make sure it can run stable at high temp. but most likely the ambient temp. will never go pass 40C-45C.
How can you tell if a PSU has Japanese capacitors or not? Based on the advertising, or buy it and then open it up and check?
 

mindless1

Diamond Member
Aug 11, 2001
8,676
1,717
126
Yes, I forgot to tell you the wattage I need. It should be 700W and up.
The computer will be shipped to a tropical area with probably no air conditioning (may or may not). I just want to make sure it can run stable at high temp. but most likely the ambient temp. will never go pass 40C-45C.
How can you tell if a PSU has Japanese capacitors or not? Based on the advertising, or buy it and then open it up and check?

Reviewers often mention which capacitors are used. If uncertain of capacitor quality but you have the brand and hopefully model/series, a good place to ask is badcaps.net forum. Provided you buy a PSU with enough capacity, capacitors or a sleeve bearing fan are the two most common early failure points at elevated temperature, unless you have inadequate airflow then the transistors can overheat and pop too.

Unfortunately, there isn't anyone I'm aware of that can give you a PSU model by model list because nobody is testing more than a few hours. Certainly an outright failure is an indication to rule out a PSU model but that one didn't fail in (3 for example) hours isn't any indication whether it would run for 20 vs 3000 hours in the same environment.
 
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