On 01/05/12 22:43, Tim Brocklehurst wrote:
> That one looks interesting. There are some other (more monolithic) blocks with
> larger fans.
>
> The reason for looking to large diameter fans is to move the same amount of
> air with much reduced noise. There are some very detailed explanations of why
> this happens on the web, if you are particulary interested in this aspect
> (essentially, you operate a larger blade at lower lift, thereby reducing the
> vortex strength).
I used something similar a few years back and whilst it will in all
likelihood sound far less obtrusive in terms of noise than your current
setup, you will still hear it.
Further to the technical explanation above, these are desirable for the
same reason most case manufacturers shy away from tiny fans these days:
they are far less 'whiny' and some are supplied with a means of stepping
the speed up or down according to your needs. I never used mine above
low setting, even when gaming.
Speaking of small whiny fans, make sure your graphics card is not
contributing to the noise, as these often contribute to the racket and
there are plenty of fanless alternatives out there if you don't intend
to do anything fancy graphics-wise, save perhaps power a couple of big
screens.
For something really quiet look at the Shuttle X35, as with an SSD in
there it is silent. A mate has one an rants about it as it makes his
water-cooled gaming beast sound noisey by comparison. The onboard
graphics solution powers his two monster displays to their proper
resolution effortlessly by the way.
Sean
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