https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sun, 14 Jun 2026 15:01:11 +0000 Tue, 18 May 2021 17:28:23 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=18845 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87198&title=fan-port-technical-information#87198 Author: ASRock_TSD
Subject: 18845
Posted: 18 May 2021 at 5:28pm

Hi thebigbangtheory,

Thank you for your post.

Here is the detailed information of the FAN header on B75 Pro3

CPU_FAN1: 1A, 4 pin fan header, can't control 3 pin fan speed
CPU_FAN2: 0.5A, 3 pin fan header, can control fan speed
CHA_FAN1: 1A, 4 pin fan header, can't control 3 pin fan speed
CHA_FAN2: 0.5A, 3 pin fan header, can control fan speed
PWR_FAN1: 1A, 3 pin fan header, can't control fan speed

If you have other questions, please feel free to contact us.

All the best,
ASRock TSD
]]> Tue, 18 May 2021 17:28:23 +0000 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87198&title=fan-port-technical-information#87198 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87185&title=fan-port-technical-information#87185 Author: thebigbangtheory
Subject: 18845
Posted: 18 May 2021 at 12:57am

hi, thank you for your answer but I can't find the information in the manual or on the web page of your site if there is a way to get its information?

so the question maximum number of fan on each port and 3 and 4 pin the number of amps on each port thank you.


https://www.asrock.com/mb/Intel/B75%20Pro3/
https://www.asrock.com/mb/Intel/B75%20Pro3/#Manual
]]> Tue, 18 May 2021 00:57:59 +0000 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87185&title=fan-port-technical-information#87185 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87172&title=fan-port-technical-information#87172 Author: ASRock_TSD
Subject: 18845
Posted: 17 May 2021 at 4:48pm

Hi thebigbangtheory,

Thank you for your post.

You can find the detailed information on the motherboard specification page.

The Fan header designs vary in different motherboards,

If you have other questions, please feel free to contact us.

All the best,
ASRock TSD

]]> Mon, 17 May 2021 16:48:42 +0000 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87172&title=fan-port-technical-information#87172 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87079&title=fan-port-technical-information#87079 Author: thebigbangtheory
Subject: 18845
Posted: 13 May 2021 at 10:45pm

Good morning all,

I want to know the number of fan that can be met by fan port of a motherboard in 3 pin and 4 pin.
the number of amps for each port if anyone has an idea ?

thank you. ]]> Thu, 13 May 2021 22:45:54 +0000 https://forum.asrock.com/forum_posts.asp?TID=18845&PID=87079&title=fan-port-technical-information#87079