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bt1942 asked on

What's all this mean?(Cooling fan specification)

I bought a cooling fan for my computer and when you see at the back of the case

there is a specification about the cooling fan.
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Rated speed :: 2,500 R.P.M   <--what's this mean? is it good if the number is high or low?
Noise level :: 28. dba  <-- Is it good if the number is high or low?
Air flow :: 31.73CFM at 2,500 R.P.M  <-- don't know what this mean.
Rated Current :: 0.15A  <--- don't know what this mean.
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Please explain those 4things above. Thank you.
Components

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Last Comment
tcicatelli

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
tcicatelli

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ASKER
bt1942

tcicatelli // Thank you for the useful comment tcicatelli. One more question, if the noise level is 38dba, is
                 it more louder then 28dba?
tcicatelli

Check out this page: http://home.netvista.net/hpb/dblevels.html

Also check out fans at http://www.directron.com/quietfans.html

I prefer Panaflo and Thermaltake, but that's just my opinion.  As long as the quality is good, look for a high cfm and a low db.
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