A power supply with 40mm fans. - Page 3

jmke · 17th September 2005, 12:29

Quote:

Originally posted by lazyman
Should I say you have a retarded builder to have built a house without A/C installed?

wowsy there Lazyman! I don't know a lot of houses in Belgium which come with A/C installed, it's not like we have 30°C temps outside.

tonight it'll be 1°C here

Sidney · 17th September 2005, 15:38

Hence, I shouldn't say it, right? Neither should Rutar.

There are places where environment temp is low enough that 40, 60 and 70 mm fans are good enough. Many server systems are using 40 and 60mm fans today.

Cooler is not always better : water freezes at 0°C no matter how low the temp gets it stays solid.

187(V)URD@ · 18th September 2005, 20:56

Quote:

Originally posted by Rutar
I did but that doesn't change the fact it's better to keep components as cool as possible to increase lifetime.

Wrong, lifetime of electronic components decrease only if a certain limit of temperture given by data sheets is exceeded.

Example: a component max temp before lifetime decreases is 80°C. So it can be used at 20°C or 75°C and the component will have the same lifetime. If you go up 80°C +10°C=90°C the component will drop a half in lifetime.

This is a rough example but thats the way it goes.

Sidney · 18th September 2005, 21:18

MTBF (Mean Time Before Failure) is simply a line drawn on the sand; Good for one company bad or another. HDD temp is a very good example.

17th September 2005, 15:38	#22
Sidney Member Join Date: Mar 2004 Posts: 15,738	Hence, I shouldn't say it, right? Neither should Rutar. There are places where environment temp is low enough that 40, 60 and 70 mm fans are good enough. Many server systems are using 40 and 60mm fans today. Cooler is not always better : water freezes at 0°C no matter how low the temp gets it stays solid. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

18th September 2005, 21:18	#24
Sidney Member Join Date: Mar 2004 Posts: 15,738	MTBF (Mean Time Before Failure) is simply a line drawn on the sand; Good for one company bad or another. HDD temp is a very good example. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

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