3 pin Case fan control - possible?
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=7862
Printed Date: 19 Jul 2025 at 12:39pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: 3 pin Case fan control - possible?
Posted By: JinxB1rd
Subject: 3 pin Case fan control - possible?
Date Posted: 27 Feb 2018 at 9:03pm
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" rel="nofollow - Hello Everybody! I have two fan in my case with 3 pin. I would like to make them slower, because they are on full speed with big noise. How could i control it? Is there any kind of program or options in bios?
------------- Asrock AB350M-HDV, AMD Ryzen 5 2400G, CORSAIR Vengeance LPX 2x4GB DDR4 3000MHz(CMK8GX4M2B3000C15R), OCZ 60GB Agility 3, Western Digital WD5000AAKX 500GB, FSP Hexa+ 500W, Sharkoon Vaya + Arctic F12 Pro |
Replies:
Posted By: datonyb
Date Posted: 28 Feb 2018 at 2:26am
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you can get inline resistors noctua do a cable that has a resistor in it to reduce the fan speed and noise or a seperate controller for example my case has one integrated with low high and off ------------- [url=https://valid.x86.fr/jpg250]  [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
Posted By: Maddreg
Date Posted: 28 Feb 2018 at 4:17pm
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I have AB350m pro4 and it has two 4-pin connectors and one 3-pin connector. I have 3 4-pin fans connected to CPU connectors and one 3-pin fan connected to 3-pin connector. I control all of them via Fantastic tuner in Asrock utility. The point is if you connect 3-pin fan to 4-pin connector it will work at MAX speed so use 3-pin connector instead if your MB has it. In fact asrock fan control in bios sucks because it is very limited. For example MSI boards allow you to chose either you want to control your fans with PWM or voltage on any connector.
upd. just checked photo of your MB and it does have a 3-pin connector, just use splitter if you want to connect 2 fans into one connector. As far as I know it can hold 1A so it should be safe to use several fans on it if they don't exceed 1A total ------------- ASRock AB350M Pro4//Ryzen R6 1600@3800=1.275v+Macho rev.B//GTX 1060//Ripjaws V@3200 16-18-18-38-56=1.4v (2x8Gb)//Corsair RM550x |