AMD Motherboards - PCIE Port 3 Not working

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PCIE Port 3 Not working

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=20062
Printed Date: 18 Feb 2026 at 3:23am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: PCIE Port 3 Not working

Posted By: cryptocraze
Subject: PCIE Port 3 Not working
Date Posted: 06 Jan 2022 at 1:13pm

Hi. I have 5x RTX3080ti graphics cards and a Asrock z390 pro4. PCIE slot 3 does not work. The other 4 slots work fine.

I have a M.2 SSD hooked up; this is the only thing I can think is conflicting but couldn't tell from the manual. Does this take up slot 3 or do I just have a bad pcie port and need to do an RMA?