Just got a couple Crucial 128GB DDR5 Kits (CT2K64G56C46S5) and put one set in my Framework 16 w/ 7940HS, and the other in my Framework 13 w/ 7840U, and it’s recognized in both and runs at 5600MT/s.
Just thought y’all would like to know…
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This is awesome!
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Very cool. Thanks for taking the plunge and sharing the results.
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NICE!!! Really awesome to see 128GB offered in 2 SoDIMMs.
That’s great to know!Fantastic!! Couple of questions:
1). What O/S and version?
2). What version of AMD drivers for Fw16?
3). BIOS version?
4). Do you have the dGPU?
5). What combination of modules do you have (HDMI, DisplayPort, USB-C)
6). What power supply/adapter are you using?
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1). What O/S and version?
Arch with latest updates
2). What version of AMD drivers for Fw16?
N/A
3). BIOS version?
3.05 (coincidentally for both the 16 and 13).
4). Do you have the dGPU?
Yes but it’s not installed; I’m using the dual m.2 module.
5). What combination of modules do you have (HDMI, DisplayPort, USB-C)
USB-C in slots 1,2,4,5, USB-A in slot 3, SD Card (full-sized) in slot 6
6). What power supply/adapter are you using?
A Dell WD22TB4 thunderbolt dock.
I should probably also note that the appropriate RAM amount shows up in BIOS for it installed, so I don’t think the OS and whatnot really matters.
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Yes, I am curious whether 128 GB of memory will see the same issues on Windows 11 with drivers after 24.9.1 or not.
Probably not. I remember reading somewhere that AMD only officially supported RAM in powers of 2 for each module. 4GB, 8GB, 16GB, 32GB, 64GB, and 128GB. Not 48GB, even though it does work. I could be wrong, of course.
There is Crucial 128GB Kit (64GBx2) DDR5-6400 CSODIMM | CT2K64G64C52CS5 | Crucial.com to
It is faster (6400 vs 5600) but it is CSODIMM … did some have test if CSODIMM is supported (working 
)?
And if it “work” at what speed? 5600 or 6400 ???
=> Reddit - Dive into anything
for me look it won’t work or at the SODIMM speed
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Those don’t appear to be available yet… but when they are, if they do work, I’d imagine it would still run at 5600MT/s. The speed is dependent on what the CPU can handle, and 5600MT/s is the actual max for this generation of CPUs. For instance, 13th gen Intel CPUs have a limit of 5200MT/s for DDR5, and even if you pair them with 5600MT/s ram modules it won’t run at that speed, unless you potentially have overclocking controls in the BIOS. But even then it will be hit and miss. Another example would be a 6800U HP laptop I have… the max it will do is 4800MT/s, regardless of what is stuck into it.
do you know if 128 works on the 13"?
Which 13? It was stated by the individual who tested these that he tried them in an AMD series FW13 successfully.
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Yes; I’ve put it in two different 7840U 13-inch systems and it works fine.
The only other 13-inch systems that may be compatible (i.e. will take DDR5 RAM) are the relatively new Intel Ultra Series 1 systems, however I don’t have one of those.
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If the information from XMG is to be believed, AMD is aiming for a March release for drivers that fix the issue with systems with over 64 GB of RAM, so I would hope it doesn’t matter as much.
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Probably not. I remember reading somewhere that AMD only officially supported RAM in powers of 2 for each module. 4GB, 8GB, 16GB, 32GB, 64GB, and 128GB. Not 48GB, even though it does work. I could be wrong, of course.
Is this for Windows only ?
I would assume so, as it’s Windows that has had difficulties after an AMD driver update, based on my understanding and for those running 96GB of RAM.
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Can I ask for more detail on this please? I have 96GB but have never sought out AMD as opposed to standard installed framework drivers. I have no problems yet but have never yet gone above 50% memory usage.
The only further details I can give you is that, with those who had 96GB of RAM in their AMD Frameworks on Windows 11, after a recent driver update that Windows installed for AMD, their systems would not boot afterward, and it was suggested that driver updates via Windows 11 be disabled. I don’t recall where these posts were, but I’m sure they’re still out there.
If you’re looking to stay on 96GB of RAM, I would either stick with Intel, or if you want more memory on AMD, go with this 128GB kit which was tested by the individual who made this post. I know that’s probably less details than you were hoping for, but it’s all I can recall and find at the moment.
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I should note that the machines I installed 128GB of RAM in are all running Arch Linux; even if I dual booted on one of these, I rarely use Windows at all so I likely wouldn’t run into the issues y’all are describing.
The title of the product on Amazon does state specifically, “Compatible with Latest Intel Core Ultra and AMD Ryzen 8000 & Above” and doesn’t say anything about it being compatible with the Ryzen 7000 series or below. This could be another indication that your luck may vary, especially under Windows. Officially, the Ryzen 7000 CPUs do support 256GB of RAM, so in theory, it should work under Windows as well.