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Gary,
The Pabst brand was my first choice, until I discovered Noiseblocker. The slow RPM model of the Pabst at 12dB is extremely quiet and good for case cooling. But that speed would be too weak to force sufficient air through a heatsink. The faster Pabst fans are stronger, but reportedly noisier than their specs suggest. A review I read on one German website stated only the Noiseblocker's specs test to be as good as advertised (or something like that.)
Ultimately, what matters to me is how well a fan, at a particular noise level, can cool a CPU. Cooling requires forcing air through a heatsink, which means the fan needs to create high static pressure. Some manufacturers publish that information (Pabst does) and some don't. So the only real way to know is to buy a bunch and test them out on the heatsink at hand and record the CPU temp.
I just bought a Vantec 80mm Stealth Ultra Quiet. Will also get the Pabst 8412N/2GM and Titan TFD-8025H12B. These three and the Noiseblocker should be enough. (I hope)
Regards,
Mark Jurik
----------
From: Gary Funck
Sent: Wednesday, January 29, 2003 7:46 PM
To: omega-list@xxxxxxxxxx
Subject: RE: quiet cpu fan (extreme)
> -----Original Message-----
> From: Mark Jurik [mailto:mark@xxxxxxxxxxxx]
> Sent: Wednesday, January 29, 2003 12:34 PM
> To: 'Omega List'
> Subject: quiet cpu fan (extreme)
>
>
> The best fan I can find for both case cooling and CPU cooling is the
>
> *** Blacknoise Noiseblocker Ultra Silent Fan S4 ***
>
> It has 3 pins for attachment to the MB for CPU cooling and 4 pins
> to the PS for case cooling. The 80mm version delivers 44 CFM
> (unimpeded) at 3200 RPM, with only 32 dB/A noise. The high
> quality potentiometer can lower it down to 20 CFB at 17 dB/A
> noise. (now that's QUIET!)
>
Mark,
The Pabst (also German) fans have quite a good reputation. Here's one:
http://www.directron.com/papst8cm.html
That runs at 12db at 1500 rpm's, and clocks in at 19.4CFM. It doesn't have
the high end performance you cite above, but seems comparable at the
low-end. So, if you plan on running it at low RPM's anyway, something like
this might work out fine?
I bought this Vantec fan, which does 27CFM, at 2050 RPM and 21db.
http://www.directron.com/sf8025l.html
Neither of these choices match the high end performance of the fan you
mention above, but further down the rpm and CFM rating scale they appear
competitive.
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