[mythtv-users] Ahanix D.Vine cases

[James Armstrong]

I have to say that I know there are really quiet pc's out there. A guy 
here at work got a new Dell and now you can not tell at all his computer 
is on except for looking at the monitor light. This is in a quiet 10x10 
office.

- James

Maarten van den Berg wrote:

>On Wednesday 21 April 2004 00:17, Maarten wrote:
>  
>
>>On Monday 19 April 2004 14:09, blacklion at blacklion.org wrote:
>>    
>>
>>>1. Are there any problems with cooling?  I have a Chaintech 7NIF2 board
>>>with an AMD 2500+ Barton.  I noticed that the D.Vine cases have openings
>>>for 60mm case fans.  That's what I have in my current case and I don't
>>>like them.  Either you get a fan that moves a decent amount of air and
>>>you get a lot of noise, or you get a silent fan that hardly makes a
>>>difference.  Will I need to add fans to these cases?
>>>      
>>>
>>Don't know about those cases but in general, the bigger the fan is, the
>>quieter.  I am currently at the point that, whatever the case, I make an
>>    
>>
>
>Well, I DO know about those cases NOW; and I would strongly suggest that 
>nobody believe the dB sound values this company quotes for its fans and PSUs!
>They quote 14 dBA on their website. This is -and anyone knowing how the dB 
>range works will attest this- an utterly impossible value. No PSU can ever 
>have a noise level 14 dBA unless they have no fan at all (passive cooling) 
>but even then, no-one will be able to measure said 14 dBA soundlevel.
>
>Ask any expert about dBA, and he will tell you that the residual noise in a 
>completely quiet city-bedroom in the middle of the night will probably lie 
>around 25-35 dBA(!).  To go lower than that, you would need to be in a really 
>quiet environment, like in the desert when there is absolutely no wind. BUT 
>even then, the sound of the blood pumping through your veins and your heart 
>beating will amount to something in the range 10-15 dBA !
>Thus, quoting a 14 dBA figure for a PSU is litterally akin to fraud. It is 
>unattainable, impossible, unmeasureable.  You don't have to take my word for 
>it though; a bit of googling will give you lots of test-pages with real dBA 
>figures... and even the very very quietest PSUs are above that 14dBA.
>
>Sorry for the rant, but I can't stand this misinformation.
>
>Maarten
>
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