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Case fans too loud
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steelberserker View Drop Down
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Joined: 24 Dec 2017
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    Posted: 24 Dec 2017 at 10:49pm
Hi everyone, before I begin with my problem I want to state my pc's specs.

CPU: Ryzen 3 1200 overclocked to 3.8Ghz stock cooler

Motherboard: Asrock AB 350 Mitx

Graphics card: GIGABYTE GTX1060 WF OC 3GB 2DHDP

Ram: CRUCIAL 8GB 2X4 D4 2400 SPLT CL16

Case: THERMALTA CORE V1 MITX CHASSIS

Fans: 1200 x 200 x 30 mm fan intake and 2 ANTEC PRO 80MM CASE FAN to exhaust

Wanted to add one final thing, the two 80mm fans are connected to the motherboard via a splitter because there is only enough connections for 1 cpu and 2 fans (I have 1 cpu and 3 fans)

I have narrowed the noise down to the two 80 mm fans in the back and when I looked at the UEFI, they were going at close to 3k RPM. I tried silencing them using the Bios software of the motherboard, but they are not slowing down. What should I do to quiet them?
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zlobster View Drop Down
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Points: 403 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 24 Dec 2017 at 11:23pm
These Antecs are screamers for sure! They are rated for 2600RPM which is nowhere near silent.

Since the Antecs are not PWM any 3-pin fan header should do, even with a Y-split.

Maybe the fan header you are now using is not controllable? What does your mobo manual say about this?

If all else fails, you can always use these: https://noctua.at/en/nf-a8-flx They are nice fans with much lower noise and much more CFM/pressure than the Antecs.
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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steelberserker View Drop Down
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Points: 9 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steelberserker Quote  Post ReplyReply Direct Link To This Post Posted: 25 Dec 2017 at 1:36am
Even when I connected one of them straight into the motherboard, the bios settings I changed had no effect on them.  the manual has very little info and just brief description of the features.
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zlobster View Drop Down
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Points: 403 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 25 Dec 2017 at 2:58am
Did you connect them to a 4-pin headers? If mobo has no sensing for 3- or 4-pin fans it may not be regulating them properly.

4-pin fans are regulated via the PWM signal (4-th wire). 3-pin fans are regulated via voltage reduction. Do you see what I'm trying to tell you here? :-)
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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steelberserker View Drop Down
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Points: 9 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steelberserker Quote  Post ReplyReply Direct Link To This Post Posted: 25 Dec 2017 at 3:53am
I just changed it and it worked! thank you so much for your advice!!!!!
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