Question 4 x DDR5 RAM sticks are causing stability issues ?

[muneebbd]

Specs:

• Motherboard: MSI MAG B650 Tomahawk WiFi
• CPU: AMD Ryzen 9 7900X
• RAM: 128GB (4 x 32GB) Team Group DDR5, rated at 5600MHz, currently running at 3600MHz
• Power Supply: 750W
• BIOS Version: Updated to the latest (7D75v13)

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Problem:I’m encountering stability issues when running 128GB of DDR5 RAM with all four sticks installed. The system lags once RAM usage crosses around 60%. Even though the RAM is rated for 5600MHz, it’s currently clocked at 3600MHz due to the 4-stick configuration.

Interestingly, the system runs smoothly with 64GB (just 2 sticks installed), even at 99% memory usage. This suggests there’s no issue with the RAM itself or other components.

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Request for Help:As a newcomer to fine-tuning BIOS settings, I’m looking for advice on how to stabilize this 128GB RAM setup. What specific BIOS settings should I tweak to make it work? I've heard that things like DRAM voltage, frequency adjustments, and SOC voltage might help. Are there any EXPO/XMP profiles or other settings I should focus on?

Any advice or recommendations would be greatly appreciated, especially if you’ve dealt with large RAM configurations on a similar build.

 

[KingLoki]

Have you used xmp profiles at anytime with the new modules?

 

[muneebbd]

Have you used xmp profiles at anytime with the new modules?

There is only expo profile option in bios and that also not clickable

 

[CountMike]

There is only expo profile option in bios and that also not clickable

Did you update BIOS version ?

 

[muneebbd]

Did you update BIOS version ?

yes update it to latest version yesterday but still same probleme

 

[CountMike]

yes update it to latest version yesterday but still same probleme

Ryzen prefers single rank memory, check what you's is. For that you have to search by it's SKU number.

 

[muneebbd]

Ryzen prefers single rank memory, check what you's is. For that you have to search by it's SKU number.

its dual rank

 

[CountMike]

its dual rank

There you go, Try RAM with Hynix-a chips. also check if the RAM actually supports EXPO or only XMP.

 

[Bob.B]

Specs:

• Motherboard: MSI MAG B650 Tomahawk WiFi
• CPU: AMD Ryzen 9 7900X
• RAM: 128GB (4 x 32GB) Team Group DDR5, rated at 5600MHz, currently running at 3600MHz
• Power Supply: 750W
• BIOS Version: Updated to the latest (7D75v13)

---

Problem:I’m encountering stability issues when running 128GB of DDR5 RAM with all four sticks installed. The system lags once RAM usage crosses around 60%. Even though the RAM is rated for 5600MHz, it’s currently clocked at 3600MHz due to the 4-stick configuration.

Interestingly, the system runs smoothly with 64GB (just 2 sticks installed), even at 99% memory usage. This suggests there’s no issue with the RAM itself or other components.

---

Request for Help:As a newcomer to fine-tuning BIOS settings, I’m looking for advice on how to stabilize this 128GB RAM setup. What specific BIOS settings should I tweak to make it work? I've heard that things like DRAM voltage, frequency adjustments, and SOC voltage might help. Are there any EXPO/XMP profiles or other settings I should focus on?

Any advice or recommendations would be greatly appreciated, especially if you’ve dealt with large RAM configurations on a similar build.

Post a link to the ram you bought.

 

[geofelt]

Is your ram a single matched kit?
unmatched ram can cause problems.
Do you really need 256gb?

Check to see if your ram kit is on the motherboard ram support list for the 9000 series processor:
https://www.msi.com/Motherboard/MAG-B650-TOMAHAWK-WIFI/support#mem
Or if it is explicitly supported by team group.
Not all seemingly identical specs ram will work.

 

[muneebbd]

Post a link to the ram you bought.

ELITE DDR5 DESKTOP MEMORY 32GB(2x16GB) 5600MHz CL46 - TEAMGROUP

TEAMGROUP ELITE is leading the industry by launching U-DIMM DDR5 memory kits. The first launch will see 16GBx2, 4800 MHz, and 1.1V. Other changes include an improved structural composition, reduced working voltage, and self-correction function to deliver better, more performance than DDR4 while...

www.teamgroupinc.com

 

[Bob.B]

ELITE DDR5 DESKTOP MEMORY 32GB(2x16GB) 5600MHz CL46 - TEAMGROUP

TEAMGROUP ELITE is leading the industry by launching U-DIMM DDR5 memory kits. The first launch will see 16GBx2, 4800 MHz, and 1.1V. Other changes include an improved structural composition, reduced working voltage, and self-correction function to deliver better, more performance than DDR4 while...

www.teamgroupinc.com

Mixing two 2x32GB kits is iffy.

Perhaps shop for a 4x32GB kit or if you can go down a little a 2x48GB kit.

https://pcpartpicker.com/products/memory/?compatible_with=LwNxFT#Z=98304002,131072004&S=333,6000

 

[geofelt]

If you want to try to get your mismatched ram to work,
Install a matched pair and go into the bios.
Set the speed specs you want and increase the ram voltage above what the nominal voltage may be.
You can also set lower speed. If that works ok, try the other two sticks and test.

Run memtest86+
It boots from a usb stick and does not use windows.
You can download it here:

Memtest86+ | The Open-Source Memory Testing Tool

Memtest86+ is an advanced, free, open-source, stand-alone memory tester for 32- and 64-bit computers (UEFI & BIOS supported)

memtest.org

If you can run a full pass with NO errors, your ram should be ok.

Running several more passes will sometimes uncover an issue, but it takes more time.
Probably not worth it unless you really suspect a ram issue.