[Beowulf] Desktop fan reccommendation

Prentice Bisbal prentice at ias.edu
Wed Jun 6 08:42:48 EDT 2012


On 06/06/2012 05:38 AM, Daniel Pfenniger wrote:
> Nathan Moore wrote:
>> All,
>>
>> This is barely beowuf related...
>>
>> New desktop machine is a Shuttle SX79R5,
>> http://us.shuttle.com/barebone/Models/SX79R5.html
>>
>> In the past, shuttles have been very quiet, but this one has a fairly loud
>> variable speed fan on the CPU heat exchanger.  I normally buy replacement parts
>> from vendors like newegg, but their selection of 90mm case fans mainly seems to
>> be described by CFM and whether the fan has LED lights mounted in it (FYI, that
>> is not a selling point).
>>
>> So, is there an engineer's version of newegg that ya'll know about? There must
>> be a super quiet 90mm fan out there that I can pick up for $10...
> I remind ads for quiet and more efficient rotor-less fans for PC's but
> cannot find such products anymore.
>
> The idea was to maximize the air flow area by displacing the central motor
> to the blade edges.  Not only the larger central area would allow a lower,
> quieter blade speed, but the blades being accelerated at their extremities
> by the circular motor would be mechanically more stable, less subject to
> vibrations.  My guess is that such fans, although technically better, were
> too expensive in regard of the advantages.
>
I had one of these fans on one of my CPU heatsinks a few years ago. It
was much quieter than the fan it replaced,but still not all that quiet
when compared to a Dell or HP tower. I forget the name of the
manufacturer or the model. The last time I looked, I couldn't find them
anywhere.

--
Prentice
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