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I have done some research into this and found that pcstats has execellent
objective reviews with decent test equioment
Link below is to the index page of al the tests
http://www.pcstats.com/articlesearch.cfm?SearchValue=&Search=Search&Category
=198&CategorySearch=Get+Listing
----- Original Message -----
From: "Gary Funck" <gary@xxxxxxxxxxxx>
To: <omega-list@xxxxxxxxxx>
Sent: Friday, January 31, 2003 3:37 AM
Subject: RE: quiet cpu fan (extreme)
>
>
> > -----Original Message-----
> > From: Mark Jurik [mailto:mark@xxxxxxxxxxxx]
> > Sent: Wednesday, January 29, 2003 11:02 PM
> > To: 'Omega List'
> > Subject: RE: quiet cpu fan (extreme)
> >
> >
> > 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.)
> >
>
> Good to know. I'm uncertain though, as to the required capacity of an HSF
(in
> CFM). For example, in this review
> http://www.myworld.com.my/review/hsf/coolermaster/5.html
> of Coolmaster heat sinks, three different fan configurations are shown,
and the
> (60 cm) fans are shown with a range of 13-21 cfm. At about 20cfm, the slow
> speed Pabst falls right in the range. The noise range shown was 33-37 db;
at 12
> db the Pabst is about 4x quieter.
> Those tests were performed on an Athlon 850Mhz CPU; mileage would vary,
but it
> wouldn't suprise me to find that a 20 cfm 80 cm HSF works fine (or at
least
> okay) with an Athlon XP cpu.
>
> > 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.
> >
>
> Agreed. I look forward to hearing what you find out.
>
> thanks - Gary
>
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