A Question About Enermax ETS-T40 Cooler

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Proximo1945

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May 27, 2014
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Hello!

I recently replaced my Hyper N520 Cooler Master to An Enermax ETS-T40 Cooler because the Hyper N520 was too noisy for me and I read several reviews that mentioned how quiet the Enermax ETS-T40 is. I got the new Cooler installed in a computer store without seeing the box of it. When I got home I found that the computer makes about the same noise as before. I opened the case and saw that the cooler is indeed an Enermax product but no model was written on it and I found that there were two fans running, while the specifications for the model everywhere on the internet mention only one 120mm fan that runs 800-1800RPM. I took two pictures of it:
VahsGm.jpg

0kSHBs.jpg

I ran SpeedFan and indeed saw that there were two fans running at a fixed rate of about 830 RPM, no matter if the CPU is idle or at full load:
3onAbR.jpg

So I'm wondering - is my cooler An Enermax ETS-T40? And if it is, how come i'm running two fans while none of them runs above 830 RPM?

Thanks in advance!
 
Solution
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If you can't find a way to do it with speedfan (I used to be able to do it, but I remember it being rather convoluted) then all you should have to do is simply unplug them.

Be warned, a lot of motherboards don't like the CPU_Fan header unplugged. I would test one fan at a time, swapping the fan on the fan header when shut down, when testing.
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Calculatron

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That is, indeed, an Enermax ETS-T40-TB - the basic, no-frills entry-level air-cooling solution. (I own one of these.) The T.B. Silence fans that it uses are pretty good, and they should be rather quiet at 800 RPM. At 1800 RPM, they're noticeable, but nothing terrible or invasive. (As an added factoid, you're right, the stock unit only comes with one fan.)

As for why you are running two fans, the person who assembled it probably thought it would be better to run two fans quietly, than to run a single fan at a higher RPM, to achieve the same performance. As long as your CPU is running within the thermal thresholds, it's good.
 
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Proximo1945

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May 27, 2014
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Thanks for the quick answer.
If the single fan edition runs between 800 - 1800 RPM, maybe when my CPU is idle, one fan working on 800 RPM will be enough.
I'm asking because I want to find a way to reduce the noise coming from the fans, at least when i'm not playing games and the CPU is not on full load.
Is there a way to control the fans? I tried doing it from the BIOS but there was no options to do so under "Fan Control".
 
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Proximo1945

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May 27, 2014
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Well I know it's not the GPU (Sapphire Tri-x r9 290) because I can shut it's fans down with MSI Afterburner and the noise remains the same.
I upgraded my computer about a month ago (new GPU, 8 GB RAM, new PSU, new case and Cooler). Before the upgrade, the computer, which didn't have a cooler, was silent when not playing games. So the only other change besides the Cooler that can cause the noise is indeed the PSU. Is there a way to stop either the cooler fans or the PSU fan to know what makes the noise? My PSU is a Cougar A760 760W.
 
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Calculatron

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Apr 3, 2013
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If you can't find a way to do it with speedfan (I used to be able to do it, but I remember it being rather convoluted) then all you should have to do is simply unplug them.

Be warned, a lot of motherboards don't like the CPU_Fan header unplugged. I would test one fan at a time, swapping the fan on the fan header when shut down, when testing.
 
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