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 _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
