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Arctic P12 and P120 / P14 and P140 "Pressure Optimized" Fans : reviews/discussion thread

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post #151 of 173 (permalink) Old 05-06-2019, 06:40 AM
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Quote: Originally Posted by BroadPwns View Post
I bought a value pack of 5 P14s and will get them at tuesday or wednesday. P12 for radiators is deffinitely a nice choice, very quiet and gives a nice pressure. Though can't really say anything about its airflow, except the air pushed exercised noticeably less force on my hand than SP120.

You can't go wrong with these fans unless you want RGB. You can get 5 fans for the same price as one SW3/NF-A12 with very little real world performance difference.
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post #152 of 173 (permalink) Old 05-10-2019, 01:54 PM
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I installed 3 P14 to the front, all running at 780RPM plugged to motherboard through a 4-way splitter, one P14 directly above CPU tower and installed P12 on the front of CPU cooling. Just gonna say my temperatures doesn't change when I open side panel and front glass panel. Front fans are inaudible, the P12 starts getting a bit noisy after exceeding 1300RPM but it's a low frequency sound, air noise is dominant.

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post #153 of 173 (permalink) Old 05-10-2019, 02:19 PM
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Do P14 make any annoying/noticeable motor sounds at 500-1000rpm? 3pin nonPWM version preferably but I can live with 4pin PWM although they often cost more so I don't buy them.
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post #154 of 173 (permalink) Old 05-10-2019, 02:21 PM
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I own regular 3-pin P14, they're literally inaudible, no clicking, no motor noise, nothing until you put your ear to them, then you can hear the air moving.

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post #155 of 173 (permalink) Old 05-10-2019, 04:30 PM
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Think I will replace the awful FD fans with motor noise, they struggle with any obstruction too, 11 blades for airflow and no pressure or pull.
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post #156 of 173 (permalink) Old 05-23-2019, 12:48 PM
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I thought I'd share my experience with these.

I bought a 5-pack of the Arctic P12 PWM PST's for £33 off Amazon a few days ago for use on a 360 radiator in a custom loop. I was using Corsair LL120's before and although I like the RGB I wanted to see how much difference more optimised fans would make.

I used 30 mins of Deus Ex Mankind Divided as my test just because that's what I'm playing at the moment.

At 1350 RPM under load my maximum GPU temps were 3c lower with the Arctic P12's.
Also 3c difference with 1800 RPM Arctic P12 vs 1700 RPM Corsair LL120.

At the same 39 dBa when using Corsair LL120'[email protected] I could run the P12's at 1500 RPM which resulted in 4c lower max GPU temps.
~40dBa is my sweetspot for noise/performance.
I measured dBa using my phone in a consistent way with everything active like mechanical hard drives, pump, 3 extra LL120's as case fans at low RPM etc...etc...

So I find the P12's definitely perform better or are quieter than the Corsair LL120 but that was to be expected given how much space the 2 LED loops take up.
I run these at 1500 rpm under load and I'm very happy with them for the price having paid just £6.70 per fan with the 5-pack.
I'll either sell the 2 I have spare or use them on a second radiator in future not sure yet.
The PST daisy-chain feature seems to work well and is handy if you run out of fan headers.

I did encounter a downside however: At maximum speed of 1800 rpm the P12's make a sort of heavy motor sound that comes and goes quickly and is annoying. Not sure how to describe it. It disappears at 1750-1700 rpm and below though so it's easy to avoid without much performance loss.

I've only tested 3 out of my 5 fans but I did test the 3 individually and they all did it. I thought perhaps it was suffering from a bad PWM signal or power issues or something so I tried without the PST daisy-chain feature hooking each one up to a separate header on my Corsair Commander Pro but it didn't change anything. If anyone thinks using my Asus mobo fan headers with bios or software control instead could make a difference I can try it out for them.

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post #157 of 173 (permalink) Old 05-23-2019, 01:10 PM
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Quote: Originally Posted by tiryn View Post
[blah]
I did encounter a downside however: At maximum speed of 1800 rpm the P12's make a sort of heavy motor sound that comes and goes quickly and is annoying. Not sure how to describe it. It disappears at 1750-1700 rpm and below though so it's easy to avoid without much performance loss.
[blah]

It could be resonating with your PC case, have you tried forcing it fan was unmounted?

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post #158 of 173 (permalink) Old 05-23-2019, 04:32 PM
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Quote: Originally Posted by BroadPwns View Post
It could be resonating with your PC case, have you tried forcing it fan was unmounted?
Aha you are right! I plugged in one of the spare P12's alone outside the case and it doesn't resonate at the max speed 1800 rpm. It sounds pleasant.

Is there anything I can do about this?

I'm curious is this why often fans have rubber on them does it help stop this effect?

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post #159 of 173 (permalink) Old 05-23-2019, 08:18 PM
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Quote: Originally Posted by tiryn View Post
Aha you are right! I plugged in one of the spare P12's alone outside the case and it doesn't resonate at the max speed 1800 rpm. It sounds pleasant.

Is there anything I can do about this?

I'm curious is this why often fans have rubber on them does it help stop this effect?
You might try rubber pins from Noctua in example, instead of regular, metal screws. I can't really say about the rubber on fans but for sure using any elastic and squishy material for mounting extra hardware should take care of the resonation.

Or you could change your case.

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post #160 of 173 (permalink) Old 05-24-2019, 02:58 AM
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I second the suggestion to use the rubber mounting pins. All kinds of makers / sellers of them. Look on ebay.

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