120mm fans with ~ 59CFM / 100m3/h (installed)

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Profile Sutaru Tsureku
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Message 1496697 - Posted: 28 Mar 2014, 17:03:55 UTC
Last modified: 28 Mar 2014, 17:14:08 UTC

I searched the web for new 120mm fans.

In this test this product is the best in an other test an other fan is the best product.

Normally they are tested "free on the table".

If they are installed behind a dust filter (intake) or before a metal grid (outlet) they don't transport the promised amount of air.

So I ask here in the forum about experiences.

I need 120mm fans which have ~ 59CFM / 100m3/h also behind a dust filter or before a metal grid.

This would be normally:
~ 1.500 RPM (U/Min.)
</= 30 dBA

Connection 3pin or 4pin molex.

Which fans you have, and how are your experiences?


This thread would be useful also for other members. ;-)
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Profile Zalster Special Project $250 donor
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Message 1496705 - Posted: 28 Mar 2014, 17:24:29 UTC - in response to Message 1496697.  
Last modified: 28 Mar 2014, 17:58:57 UTC

I prefer Antec fans.. If I have to go with a 120mm fan then I like this one


If you have room, I'd go for a 140 mm Fan. I run both 140s and 120 depending on where they are in the case. I also like the 3 speed option to change the speed as needed.

140mm 2 speed


140mm 3 speed

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Profile HAL9000
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Message 1496747 - Posted: 28 Mar 2014, 18:34:31 UTC

I have taken a chance on NZXT recently. Using their Source 220 case & some of these.
I added one in my NZXT case & one in my HTPC. Which are both my i5-4670K systems.

Even if there was not grill or filer on either side of the fans. Once installed in a case I imagine they total CFM would be still be less than free air tests. However, Depending on the case design the reductions may not be all that great.
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Profile dnolan

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Message 1496784 - Posted: 28 Mar 2014, 19:33:55 UTC

I've had good experience with Corsair AF and SP 120 series fans, they can be a bit more expensive than some, but they work quite well and last.
Here's one example.

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Message 1496799 - Posted: 28 Mar 2014, 20:06:36 UTC

I have had very goo things with kanakize fans,..\\
All sleeve bearings.
A drop or two of oil when they scream for it..............
Another few years of service.
I have my main fan.........overhead.
Took it down and drilled the back bearing/
No other way to oil it. Did so, and it shall save me about 10 years.

I luv oiling rather than replacement.

Most of my 120 fans are the same way......pop out a little rubber button, squirt in a drop or two, good to go for at least 2 years again......
"Time is simply the mechanism that keeps everything from happening all at once."

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Profile JakeTheDog

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Message 1496816 - Posted: 28 Mar 2014, 20:32:35 UTC

i have had 2 120mm fans from cooler master that came with my case, and 1 that came with my hyper evo cpu cooler. they look identical, although the model numbers on the sticker are slightly different. for some reason they make clicking sounds that are very loud when at high rpm, and slightly noticeable at low rpm in a quiet room. i don't know if i have bad luck or not because many newegg reviews deny having that problem but some report the same problem. i have 2 of the 200mm megaflows from coolermaster and they do not have the same issue. however, all fans seem to make extra noise when placed next to the metal mesh on my entry level HAF case.

in the end though, i discovered that i only needed 1 case fan, a 200mm blowing out from the top, after installing the hyper evo cpu cooler. that was enough to keep cpu and gpu at a target of 55C at a low to medium rpm fan speed when running 4+1 tasks on boinc or gaming on high settings. i did tape paper over the high rear and high front vents on the case to direct the airflow from side and low front vents. seemed to make a slight difference in temps.
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Message 1496971 - Posted: 29 Mar 2014, 3:05:16 UTC

I got one 120mm from fractal design, quiet but hardly moves any air. My Noctua fans are way better.
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Message 1496981 - Posted: 29 Mar 2014, 4:15:06 UTC
Last modified: 29 Mar 2014, 4:17:18 UTC

I've replaced most of my failed ones with Noctua. They cost a bit more but they are quiet and more importantly reliable.

I had some Corsair ones that came with a H80 kit and they sound like a jet engine taking off.

Got some Fractal design ones (came with their case) and had them fail after about 12 months, replaced them with Noctua.

Also had some CoolerMaster ones that died. Totally seized up on a CPU cooler, ended up replacing them with Noctuas.

Have yet to have a Noctua fail and some of mine have been going for 3 years.
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Grant (SSSF)
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Message 1496982 - Posted: 29 Mar 2014, 4:39:30 UTC - in response to Message 1496981.  
Last modified: 29 Mar 2014, 4:47:29 UTC

Also had some CoolerMaster ones that died. Totally seized up on a CPU cooler, ended up replacing them with Noctuas.

Why types of bearing were involved?
Sleeve bearings are very cheap, and don't last very long when running at higher speeds (many is the 486 CPU fan that died due to sleeve bearings). Roller bearings last for ages even when running at higher speeds. Becoming quite common now are mag-lev and fluid (FDB- Fluid Dynamic Bearings), both of which are better than roller bearings.

EDIT- if you want a larger fan, eg 200mm or so, might as well go for an 8"car radiator fan.
Plenty of airflow 150-400CFM.

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Urs Echternacht
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Message 1497300 - Posted: 29 Mar 2014, 22:49:13 UTC

Fans with 100m³ and more

From that list the Tacens Ventus II works best for my ears and can push enough air even behind some metal grid/filter.
Nanoxia fans are also quiet, but need 1800rpm to push some air out of the case through the metal grid.
U r s
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Message boards : Number crunching : 120mm fans with ~ 59CFM / 100m3/h (installed)

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