to many fans?

[Lenny]

Hi,
I have a mesh computer and they always seem to make very solid equipment.
One of the problems with it is the fans are very loud. There is nothing
wrong with them except for the noise they generate especially compared to
other machines on the market. I have a fan on the CPU, a fan in the power
supply and a fan on the grill on the back of the case. Will it be OK to
disconnect the fan on the case grill? The PC is only used as an office PC so
there is no hard gaming use so I don't see why it needs all these fans.

 

[DL]

You would be better off buying a silent fan, the fan is fitted for a
purpose, ventilation, disabling it will invalidate any warranty and could
cause heat problems & subsequent data loss. The other fans are also a
neccessity.
www.quietpc.com

 

[JohnO]

You want more fans, but slower (quieter) ones. Many mobos can handle three,
the CPU, front panel, and rear panel.

Check the BIOS...are there some fan speed settings? Some mobos have a nice
set of options that run the fans at speeds necessary to keep the temp in
line, rather then full blast all the time. For instance, Intel's fan speed
control is very nice, even with four fans in the system it's very quiet. I'm
sure others are the same. (My example is from DG965SS)

BTW, power supply fans can be nearly silent, don't settle for one that
sounds like a vacuum cleaner.

-John O

 

[bob]

The site which DL mentioned also sells fan resistor cables, which
you'll see in the list of categories on the left. These are a cheap
way to find out what different lower fan speeds will do for you and
can be installed or uninstalled in a matter of seconds. (These are
not for the psu fan, however.) Don't do any fan speed adjustments
without running some kind of temperature-monitoring software! You can
get in trouble quickly if you overdo it. Bob

 

[w_tom]

I have a mesh computer and they always seem to make very solid equipment.
One of the problems with it is the fans are very loud. There is nothing
wrong with them except for the noise they generate especially compared to
other machines on the market. I have a fan on the CPU, a fan in
thepowersupplyand a fan on the grill on the back of the case. Will it be OK to
disconnect the fan on the case grill?

That computer with only one chassis fan should be sufficient cooling
for any operation when in a 100 degree F room. If in doubt, then do
the math. That second chassis fan provides only single digit cooling
advantages (irrelevant). But second fan will keep air moving if the
first fan fails.

Learn what defines fans. Two important parameters are CFM and dB
(noise). Generally better manufacturers will make a fan with same CFM
and less noise. Noise can also be reduced using the fan type fan
rated at less CFM. Don't reduce CFM (even though some will buy a
reduced CFM fan only because it is quieter).

Another way to maintain CFM while reducing noise; replace an 80 mm
fan with a 120 mm fan. Or mount the power supply fan on an inside
surface rather than where power supply vents outside the chassis. To
better appreciate parameters (ie view both CFM and dB for various
fans), see electronic supply catalogues (Newark, Allied, Digikey,
Mouser, JamesCo) or visit the web sites for better fan manufacturers.

Any properly built computer should have more than sufficient cooling
with on standard 80 mm chassis fan when operating in a 100 degree F
room. Does not matter if you never intend to computer in a 100 degree
F room. To function properly, a computer must meet that easily
achieved requirement.

 

[Lenny]

Thanks for all that. Here are some temps after the machine has been on all
day, Are they normal?
Core1 and Core 2 both 34c
ACPI Thermal Zone 40c

GPU Temp 47c
GPU Diode 57c
GPU Fan is at 100%

Hard Disk Temp is 36c

 

[Feenix]

personnaly i would endure the fan noise, since it is a way to make sure they
are working( for me anyway) but yes if it is that noisy, then shop around
for fans, and make sure you look at the decibels they create, and obviously
the lower the number the better, but also you want a fan with high rpm since
usually a fan with high rpm will cool off more than a fan with low rpm,
depending on the fan of course.

--
L.B.Capt. Jonathan Perreault
http://www.AllAboutGames.BraveHost.com
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[Ace]

If you value your long term hearing capabilities, I would suggest you
look into liquid cooling.
There are excellent right-price easy to fit kits available for just about
any machine and any taste.
Thermaltake and Zalman come to mind, there are other brands as well.