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Topic Title: 47C normal temp for 4400RPM?
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Created On: 01/19/2004 03:43 PM
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 01/19/2004 03:43 PM
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Junior Member

Posts: 1
Joined: 01/19/2004

My PC specs:
AMD Athlon 2600+
TT VOLCANO 9 C.M. + 2 case fans, both blowing air in the case

(Epox 8RDA
Radeon 9700 pro
RAM Twinmos 2x 256mb PC2700
HDD 120g 7200 ATA100)-> unnecessary data i guess

Cpu temp 46-52C;system 33C when my fan works on 4400RPM. With that speed my fan makes lots of noise. So i started to look for "silent fan". TT Silent Boost has to offer everything I need(21dB instead of 45dB). When i read the detail specifications of the fan i have realized that the silent boost fan has the same air flow as my volcano 9 and running on lower RPM(only 2450)! So i droped my volcano 9 to 2500RPM and my temp started to rise from 46 to 55c.
Now my question for you experts is:
If i buy the silent boost won't my temp rise above the normal level becouse of the low RPM? Is really the silent boost the best noiseless solution? Is my cpu running on normal temp just becouse my RPM are high or is this simply normal?!?!

 01/19/2004 06:25 PM
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Joined: 12/20/2003

buy a termicalright this will decrese the cpu temp i hate this volcano i have 11=it is very noisy and my cpu temp is betwine 35 and 45 full load after prime iam for a thermicalright

asus a7n8x deluxe v2 || asus Nforce 4 ultra sli
amd 2500+ barton @2425mhz (220x11 ) vcore 1.92 || A64 3000+ at 2970 mhz vcore 1.75 water
1x512 v-data 333mhz pc 2700 || 2*1 gig hynix d43 @ 250 11-3-3-2,5T
gf mx 4 || 2*7900gt @712/1950 mhz water
3 x80mm fan ,-8 c pump air cooler ||water cooling
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 01/19/2004 06:28 PM
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MD - Moderator
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Posts: 11102
Joined: 11/05/2003

Your temps are within specification...

The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.

Physics? Ha! This is clearly magic and devilry at work. Prepare firewood! We have witches to burn!

 01/19/2004 06:32 PM
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Senior Member

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Joined: 10/18/2003


Airflow matters. RPM is only a means to an end - getting the airflow.

Fans can be designed in different ways to produce different tradeoffs between cost, noise and airflow.

However, the usual way to get the same airflow at lower noise is to make the fan bigger and run it at lower rpm. Generally speaking two fans of the same size running at the same rpm will have similar airflow, though the better fan may be quieter.

If the TT silent boost is the same size as your current fan but runs at 2450 instead of 4400 rpm, then I simply don't believe it will give the same airflow, and you CPU will get hot.

But if it's a bigger fan with a funnel or adapter so it still fits you heatsink, that's a different story. I fit 92mm fans running around 2400rpm to all my machines. I have to build funnels to fit the heatsink but it works like a charm - cool and quiet.

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