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Passive cooler for i3-4130T (TDP 35W)

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January 5, 2014 7:27:09 AM

hi,
I ask for your opinion for cooling an i3-4130T (tdp 35W) only with this cooler (tdp max 95W) or with the Thermalright AXP-100 but, for both, w/o their fan, in order to get a fanless system. The case is M350 or very similar.

The work will be office, internet, sometimes video full hd, nothing of heavy...
It's possibile this operation?
thanks
a c 309 à CPUs
January 5, 2014 8:02:28 AM

A passive cooler needs some sort of airflow.
Noise will come from a fan running at high(>900)rpm.

The stock Intel cooler should be fine. Under normal or light operations, the pwm fan will run at very low speeds.
I have build 3 desktop/internet systems using the fanless lian li Q07 case and the stock Intel cooler. Noise is never an issue. With a low power chip, it should be even more quiet.
I would try the stock cooler first.

Any noise you get is likely to come from your psu.

If you use the Gabriel cooler, undervolt the fan so it runs at 600rpm and you will never hear it.

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January 6, 2014 12:20:42 AM

geofelt said:
If you use the Gabriel cooler, undervolt the fan so it runs at 600rpm and you will never hear it.

but if I use the Gabriel (or the Axp-100) without the fan, I might be able to keep within the limits of the cpu heat or not? Consider that 35W is the maximum value: normally, the value should be less.

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a c 309 à CPUs
January 6, 2014 6:32:01 AM

Where will the 35w heat go?
Natural convection may not be sufficient, depending on the case.
If your psy has a fan, that might be sufficient.
But a psu fan is likely to be noisier than a 120mm fan on a cooler.
If the cooler fan is a pwm controlled unit which is normal, you can use a program like speedfan to increase the speed if the cpu temperature gets too high.

IN the end, what is your objective?
If you want quiet operation, that is easy.
If you want silent, that is possible.
A good place to research is www.silentpcreview.com



Go ahead and try it both ways and see which you prefer.
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January 7, 2014 8:13:12 AM

geofelt said:
Where will the 35w heat go?
Natural convection may not be sufficient, depending on the case..

the case is very similar to M350 and I don't have PSU (because I use a thin-itx mobo) nor chassis fan.

geofelt said:

IN the end, what is your objective?

my objective is to obtain a system fanless (0 decibel) with a 35W cpu e using the heatsink (Thermalright or Gabriel) w/o fan.

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a c 471 à CPUs
January 7, 2014 10:05:34 AM

I am not familiar with the case you are using. But as stated, you need to ensure there is sufficient airflow in order to keep things cool enough.

What you plan on doing is possible because I have a passively cooled HTPC that is built around a Core 2 Duo E6600 with a Tuniq Tower cooler (775 grams I think with no attached fan), and a passively cooled nVidia 9600 GT with 5 hard drives.

Actually the fan is attached, just not plugged in. Should my primary rig goes out of commission for whatever reason, I can easily plug in the fan an use it as a backup gaming rig which is basically what it was before I put it into a HTPC case. I think the case is a Silverstone Crown CW02.

The only component with a fan is the Seasonic S12 500w PSU.
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a c 680 à CPUs
January 7, 2014 12:24:58 PM

I ran an E8190 @ 3.8ghz, passive cooled with an old Thermaltake 90mm tower cooler. It was close to the exhaust 120mm case fan so it was sufficient for that CPU.
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