AMD Motherboards - B450m pro4 motherboard won't let me use XMP

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B450m pro4 motherboard won't let me use XMP

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=13603
Printed Date: 09 Nov 2025 at 12:07pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: B450m pro4 motherboard won't let me use XMP

Posted By: LumiR
Subject: B450m pro4 motherboard won't let me use XMP
Date Posted: 06 Feb 2020 at 12:15pm

I have a ryzen 2700x cpu, which should let me use 3200 mhz ram when I use XMP. However, when I activate the XMP profile, it doesn't actually change the frequency. This includes all frequencies. I'm stuck at 2133 mhz. My RAM is F4-3200C16D-16GVKB. I recently replaced my CPU with one of the same model, and before I could use XMP with it just fine, so I know the ram model is compatible. I tried updating the bios to the most recent version to see if that would work but it didn't. Any assistance would be appreciated.