Expert Tips for Syncing Different RAM Brands to 3200MHz on MSI Motherboards


“I’m experiencing a compatibility issue with my MSI PRO B550-P GEN3 motherboard when using two distinct sets of RAM: Crucial Ballistix 3200MHz DDR4 in slots 2 and 4, and Crucial RAM 32GB DDR4 3200MHz in slots 1 and 3. Despite enabling A-XMP, the RAM operates at only 2133MHz. However, when installed individually, each set runs at the advertised 3200MHz. Could an expert advise whether there’s a method to achieve the 3200MHz speed with this configuration, or is the discrepancy due to the different brands?”


When it comes to optimizing the performance of your computer, ensuring that your RAM (Random Access Memory) is functioning at its peak capability is crucial. A common issue faced by many is the underperformance of RAM speeds, particularly when mixing different sets or brands. This article aims to address such a concern, as highlighted by a user experiencing compatibility issues with their MSI PRO B550-P GEN3 motherboard.

The user has reported that despite enabling A-XMP (Advanced Extreme Memory Profile), their mixed RAM sets – Crucial Ballistix 3200MHz DDR4 in slots 2 and 4, and Crucial RAM 32GB DDR4 3200MHz in slots 1 and 3 – are only operating at 2133MHz, which is significantly lower than the advertised 3200MHz. However, when these sets are installed separately, they achieve the expected 3200MHz speed.

The primary function of A-XMP is to optimize memory timings and speeds to match the performance levels specified by the memory manufacturer. When different sets of RAM are used, especially from separate product lines or brands, the motherboard may default to the lowest common speed to maintain system stability. This is likely the reason why the RAM is clocked down to 2133MHz.

Potential Solutions


Manual Configuration

: Enter the BIOS settings of your motherboard and manually set the RAM speed to 3200MHz. This process will involve adjusting the memory frequency and timings according to the specifications of your RAM modules.


Update BIOS

: Ensure that your motherboard’s BIOS is updated to the latest version. Manufacturers often release updates that can improve compatibility and performance with various RAM sets.


Matching RAM Sets

: For optimal performance, it is recommended to use identical RAM sticks from the same set. If possible, replace the mixed sets with a uniform set of RAM sticks that are designed to work together.


Consult the Motherboard Manual

: Refer to your motherboard’s manual for specific instructions on RAM installation and configuration. Some motherboards have preferred slots for different configurations.


Technical Support

: If manual adjustments do not resolve the issue, consider reaching out to the motherboard or RAM manufacturer’s technical support for assistance.


Mixing different sets of RAM can lead to compatibility issues that affect performance. While enabling A-XMP is a step in the right direction, it may not always guarantee the desired speed when dealing with mixed sets. By exploring the solutions provided, users can attempt to rectify the speed discrepancy and enhance their system’s performance. However, for guaranteed compatibility and optimal performance, using matching RAM sets is the best practice. If the issue persists, professional advice from the hardware manufacturers is advisable. Remember, stability should always be the priority when configuring system memory.

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