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post #1 of 24 (permalink) Old 04-21-2020, 02:59 AM - Thread Starter
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Silent fans for in-office rack

Hi!

I'm looking for 120mm fans I want to use as intake and exhaust on my 15U rack cabinet. Since the bad boy is in my office, silence is as important as performance. I know that generally the fans can be either quiet or perform well, but I need to find some kind of compromise. In theory, for intakes (bottom) I think I should go for something with higher SP and for exhaust (top) - airflow, but I'm an expert by any means.

I know Noctuas A12x25 are good (though I'm surprised to see reports about the PWM issues) but I just can't justify the price. I was thinking either Silent Wings 3 (maybe HS ones and run them like half the speed if they take signal that low well) or something I've found yesterday - Arctic P/F12 PWM PST CO/standard.

For starters I need 4 of them, but I have a feeling I will need double that number soon to make the airflow work and still be silent enough for 24/7 work in relatively close proximity where I work.

Any help, ideas are greatly appreciated.
Thanks in advance.

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post #2 of 24 (permalink) Old 04-21-2020, 04:22 AM
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Sound signature is as, or more, important than actual dB output for perceived quiet. You won't find a smoother sound signature than the SW3, and you won't be sacrificing performance.

Yeah....the little girl hentai avatar is really creeping me out....
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post #3 of 24 (permalink) Old 04-21-2020, 05:27 AM
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arctic P12 fans - quite and cheap with a 10 year warranty
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post #4 of 24 (permalink) Old 04-21-2020, 06:23 AM
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The Arctic P12 PWM fans are pretty good. I was just about to order one for myself and the shipping date is pushed to mid May on Amazon. Might have to get creative with where you order your parts from.

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post #5 of 24 (permalink) Old 04-21-2020, 08:34 AM - Thread Starter
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@ciarlatano I like them in my workstation, I was just wondering how well they will work in much bigger and more obstruct space like rack cabinet..also, you think standard ones are better choice or grabbing HS version with intent of running them half the speed? I actually wonder what is the performance on the HS version when ran half the speed..is it comparable to standard SW3, lower, higher, hm :?

@speed_demon @poah as I mentioned, I was actually surprised with the Arctic fans, I'll admit..I never thought that they are a contender..

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post #6 of 24 (permalink) Old 04-21-2020, 09:11 AM
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I initially brushed off the positive reviews for the Arctic fans as people just being wowed coming from some garbage stock case fans. Turns out they are actually good fans. I have a bunch of fans including SW3's, Corsair ML's, and various Noctua's. The Arctic fans can easily hang with everything else while being way cheaper. When the 5-packs go on sale, it's unbeatable. I picked up 10 p12's for less than 2 SW3's.

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post #7 of 24 (permalink) Old 04-21-2020, 09:15 AM
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Arctic F12/P12 & F14/P14 are some of the best fans on the market. Not worth paying so much for Silent Wings or Noctuas.

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post #8 of 24 (permalink) Old 04-21-2020, 09:29 AM - Thread Starter
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And how are the CO versions of the F12/P12? They use ball bearing, so generally something that is louder or with less pleasant sound signature one might say than non-CO version (that uses fluid bearing I think?).

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post #9 of 24 (permalink) Old 04-21-2020, 10:37 AM
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Quote: Originally Posted by bMind View Post
And how are the CO versions of the F12/P12? They use ball bearing, so generally something that is louder or with less pleasant sound signature one might say than non-CO version (that uses fluid bearing I think?).
haha just responded to you in another thread about this. whoops, anyways personally i do not like ball bearing fans. back in the hay day i tried multiple gentle typhoon fans in various rpms and in various cases and they would just produce this horrible tonal noise (harmonic might be a better word?) at certain rpm ranges
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post #10 of 24 (permalink) Old 04-21-2020, 11:35 AM
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I've had good luck with the Enermax T.B. Silence 120mm fan. Its really quiet. You may also opt for slim fans with 15mm thickness vs standard 25mm. They should be quieter, but ofcorse, not move as much air.
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