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Old 2014-08-21, 20:21   #12
TheMawn
 
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May 2013
East. Always East.

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To be honest I have never paid attention to the RPM's beside a simple sanity check. 800 RPM on a 120mm? Hmm.... 2300 RPM max on a 200mm? Hmm...

I pay more attention to the static pressure and flow rate. Unless the fan RPM is listed at 5500 RPM I can be fairly confident of the performance at a reasonable noise level.
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Old 2014-08-24, 09:39   #13
VictordeHolland
 
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"Victor de Hollander"
Aug 2011
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AnandTech did a review of 8 radiator fans in 2012:
http://www.anandtech.com/show/6177/c...corsairs-h80/5

Also keep in mind the difference between CPU/radiator- and casefans.
You want air pressure for pushing air through obstructions (like a radiator) and high air flow for moving a lot of air out of your case (sacrificing a bit on pressure). Of course within a given RPM/noise limit.

Casefans: high air flow, low/medium air pressure
CPU/radiator fans: medium air flow, high air pressure
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