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Slow M2 transfer mode on ASRock B650M Pro RS

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=26984
Printed Date: 16 Jul 2024 at 11:45pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: Slow M2 transfer mode on ASRock B650M Pro RS
Posted By: Aldjinn
Subject: Slow M2 transfer mode on ASRock B650M Pro RS
Date Posted: 14 Nov 2023 at 11:35pm
Hi everybody,
I'm running an 7800x3D on the B650M Pro RS board. My problem is the wrong or slow transfer mode of my second M2 SSD in the M.2_2 slot. My primary SSD is running fine in M.2_1 with PCIe 4.0 x4 transfer mode. But my second one is only running in PCIe 3.0 x1 mode in M.2_2. But it supports PCIe 3.0 x4.

I've tested it with two different M2 SSDs and the problem is related to the slot. I another PC both SSDs are running at their full transfer mode.

Any ideas how to fix this problem?

I've already tested the 1.28 and 1.30.AS05 BIOS versions.






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