Intel Motherboards - A-tuner fan-tasitc tuning question

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A-tuner fan-tasitc tuning question

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=15556
Printed Date: 02 Aug 2025 at 9:03pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: A-tuner fan-tasitc tuning question

Posted By: NadeMagnet
Subject: A-tuner fan-tasitc tuning question
Date Posted: 24 Aug 2020 at 4:47pm

Why does after running the start fan test option does 100% power show less of a RPM than 90% power? 80% power shows 1131RPM, 90% shows 1238RPM, but 100% shows 1144RPM.
Does it have something to do with how they're wired? It's 4 Noctua 140mm exhaust fans run together with a 4 way splitter and an extension cable off of 1 header. I contacted Noctua and the 4 are well under 1 amp and 12 volts.