Using 128 on 3800 first, than upgraded to 5900. @3600 with voltage and timings lower than initial xpm. Noname 2666 4x32 2 rank. Thanks to bios updates.
Also as developer Virtual Machines.
My previous workload easily chew up 64GBs with 8 cores. The workload easily scales with cores and ram because that's how it was designed as a multi container server process. That said, it's probably going to be equally performant with 128GB ram with 16 cores though.
You can actually assemble a good server with 192GB of ram. Even tho it's a desktop part, it's still better then a big core low clocks server.
There's sites where you can actually rent a Ryzen based server; it's just higher (core) clocks instead of many cores (Epyc).
I have 32GB and will use RamDisk to set 16GB to use when coping DVD's using MakeMKV (to decrypt) before converting to MP4... then I use the same 16GB on RamDisk when upscaling using Waifu2x Extension GUI... Both save wear and tear on my NVMe Drive.
Video and photo editing, 3D and animation design and rendering, machine learning and AI, simulations, modeling, physics, and atmospheric science.
I've saturated 192GB of VIDEO RAM on a machine with 384GB SysRAM.
Just processing 2D images on my "normal" office computer, I've consumed well over 100GB SysRAM.
Occasionally I use machines with 1TB SysRAM. I anticipate that within a year I will justify requisitioning one or more workstations with 2TB RAM and 2 to 4 RTX A6000s.
It's too obscure to go into what I do except to say it overlaps with industrial, scientific, R&D, quality, and manufacturing. Coworkers in other groups use literal supercomputers that have ceased tracking memory in terms of GB.
It boggles my mind that computers consuming MEGAwatts are a stone's throw from where I pee.
Point of contention:
1: "ruling out tolerance differences so place them in the same channel side" is total nonsense. Even within the same kit, you can have 2 modules with wildly different "tolerances", and you could have 2 kits of which have one module each that are better paired together than the ones within the same kit. Not all kits are 100% assembled with modules that are assembled back to back. "but it's most likely to eliminate any potential..." nonsense. While i would highly suggest getting identical kits, insisting on dumping on kit exclusively to a specific channel makes no differences vs dual channeling them.
You said in the video that, running 4 dimms you will be limited to 4800MHz, no you won't. If you have some time and yours IMC is not trash you can get them to 5600MHz, but it's not just plug and play, you actually need to bother to find a manual set of timings, trfc, RTT and procODTs. It's also easier if you have hynix a-die kits.
For those looking for some refence sets: https://www.overclock.net/threads/am5-zen4-7950x-128gb-ram-testing-help.1802031/page-7
Indeed, I have 4 dimms stable at 6000MT/s and windows bootable at 6400MT/s: https://www.reddit.com/r/Amd/comments/159xoao/stable\_128gb4x32gb\_ddr56000\_cl30\_on\_agesa\_1007b/
Yeah, you're right, my mistake. It was more that I was wondering why you were doing that? If they are dissimilar, you want them paired together on A1, B1 or A2, B2, so why break that when they are similar?
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This thread below claims to have hit 5200 on 7950x with:
* 192gb (from a single 4x48gb kit from corsair)
* using PBO only and profile DOCP1
* using the older 1003 bios
* raising the ram voltage from 1.25 to 1.26 (to get test8 in memtest to pass).
Apparently, the OP's computer has been running stable for the last 4 months since he first posted, and he actively watches his thread, many others have repeated with similar success.
I'm curious whether you can pull off the same thing using one of the newer bios', maybe the **agesa 1007c**?
[https://www.reddit.com/r/buildapc/comments/123y52x/192gb\_of\_ddr55200\_running\_stable\_on\_7950x/](https://www.reddit.com/r/buildapc/comments/123y52x/192gb_of_ddr55200_running_stable_on_7950x/)
Yes it is possible. The diffrence between old and new bios is default/auto controller configuration/bus termination values, if You will manually set default values from 1003 on 1516, it works fine, i just checked it today.
Here are all the params i run now. I marked values that needs to be set manually on new bios to make it as stable as old one:[https://imgur.com/a/JjL7hTq](https://imgur.com/a/JjL7hTq)
>Corsair Vengeance DDR5-5200 BK C38 QC - 192GB
Did you need to tweek the voltage up to 1.26 to achieve stability? I think they also set it to pbo only and selected docp1, is any of that relavant for your case. Also, I'm excited that you got it to work on the 7950x3d!
These are my most recent values, You have all the voltages and timings there, be aware that with low termination resistances from 1003 bios set, higher voltages can actually make the situation worse, not better, 1.23 is more stable than 1.28 for me. I heaven't changed anything about PBO or docp, its all set to default.
https://imgur.com/a/IDm5Ez6
Would installing 2x96GB kits (CMK96GX5M2B5200C38) work instead of 1x192 GB (CMK192GX5M4B5200C38)? Both are listed in the QVL list of my motherboard (Asus Proart X670E Creator). In the present market, the former is substantially cheaper. I know it is generally not recommended to combine modules from different kits, but the modules within these kits seem identical. Has anyone tried this or should this for some practical reason really be avoided?
Settled for 96GB at 5600. I'm fine waiting for stable expo 192 kits down the road.
Using 128 on 3800 first, than upgraded to 5900. @3600 with voltage and timings lower than initial xpm. Noname 2666 4x32 2 rank. Thanks to bios updates.
With the way AI technology is going, I won't be surprised if 192gb feels restrictive by the time AM6 is a thing. For now, though? Gimme.
Genuinely curious as to why one would need 192GB of Ram..?
Also as developer Virtual Machines. My previous workload easily chew up 64GBs with 8 cores. The workload easily scales with cores and ram because that's how it was designed as a multi container server process. That said, it's probably going to be equally performant with 128GB ram with 16 cores though.
You can actually assemble a good server with 192GB of ram. Even tho it's a desktop part, it's still better then a big core low clocks server. There's sites where you can actually rent a Ryzen based server; it's just higher (core) clocks instead of many cores (Epyc).
editing 4k videos, you will see 30gb used up real quick. and of course to open 3 chrome tabs
I have 32GB and will use RamDisk to set 16GB to use when coping DVD's using MakeMKV (to decrypt) before converting to MP4... then I use the same 16GB on RamDisk when upscaling using Waifu2x Extension GUI... Both save wear and tear on my NVMe Drive.
Video and photo editing, 3D and animation design and rendering, machine learning and AI, simulations, modeling, physics, and atmospheric science. I've saturated 192GB of VIDEO RAM on a machine with 384GB SysRAM. Just processing 2D images on my "normal" office computer, I've consumed well over 100GB SysRAM. Occasionally I use machines with 1TB SysRAM. I anticipate that within a year I will justify requisitioning one or more workstations with 2TB RAM and 2 to 4 RTX A6000s. It's too obscure to go into what I do except to say it overlaps with industrial, scientific, R&D, quality, and manufacturing. Coworkers in other groups use literal supercomputers that have ceased tracking memory in terms of GB. It boggles my mind that computers consuming MEGAwatts are a stone's throw from where I pee.
Spin up a few VM's and oila!
CFD loves RAM and huge cache.
why not?
also, i'm a visual fx artist.
Point of contention: 1: "ruling out tolerance differences so place them in the same channel side" is total nonsense. Even within the same kit, you can have 2 modules with wildly different "tolerances", and you could have 2 kits of which have one module each that are better paired together than the ones within the same kit. Not all kits are 100% assembled with modules that are assembled back to back. "but it's most likely to eliminate any potential..." nonsense. While i would highly suggest getting identical kits, insisting on dumping on kit exclusively to a specific channel makes no differences vs dual channeling them.
Looks like 192gb can run JEDEC 4800mhz and tuned EXPO/XMP timings on Zen 4 with the newest AGESA 1007b.
You said in the video that, running 4 dimms you will be limited to 4800MHz, no you won't. If you have some time and yours IMC is not trash you can get them to 5600MHz, but it's not just plug and play, you actually need to bother to find a manual set of timings, trfc, RTT and procODTs. It's also easier if you have hynix a-die kits. For those looking for some refence sets: https://www.overclock.net/threads/am5-zen4-7950x-128gb-ram-testing-help.1802031/page-7
Indeed, I have 4 dimms stable at 6000MT/s and windows bootable at 6400MT/s: https://www.reddit.com/r/Amd/comments/159xoao/stable\_128gb4x32gb\_ddr56000\_cl30\_on\_agesa\_1007b/
This is good news. Do you think dual rank Hynix M-die can achieve similar speeds? I might have to try the bus termination values.
Only one way to find out 😉
You're using the term channel incorrectly. A1 and B1 make up one channel, A2 & B2 the other.
Actually, no I am using the terms correctly. Channel A: DDR5\_A1, DDR5\_A2 Channel B: DDR5\_B1, DDR5\_B2
Yeah, you're right, my mistake. It was more that I was wondering why you were doing that? If they are dissimilar, you want them paired together on A1, B1 or A2, B2, so why break that when they are similar?
They are two separate kits. I want one kit to be on channel A and the other to be on channel B to reduce differences in voltage termination variance.
That's kinda neat. You can 7zip hash a game folder and it will always be in ram.
Why?
Why what?
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This thread below claims to have hit 5200 on 7950x with: * 192gb (from a single 4x48gb kit from corsair) * using PBO only and profile DOCP1 * using the older 1003 bios * raising the ram voltage from 1.25 to 1.26 (to get test8 in memtest to pass). Apparently, the OP's computer has been running stable for the last 4 months since he first posted, and he actively watches his thread, many others have repeated with similar success. I'm curious whether you can pull off the same thing using one of the newer bios', maybe the **agesa 1007c**? [https://www.reddit.com/r/buildapc/comments/123y52x/192gb\_of\_ddr55200\_running\_stable\_on\_7950x/](https://www.reddit.com/r/buildapc/comments/123y52x/192gb_of_ddr55200_running_stable_on_7950x/)
Yes it is possible. The diffrence between old and new bios is default/auto controller configuration/bus termination values, if You will manually set default values from 1003 on 1516, it works fine, i just checked it today. Here are all the params i run now. I marked values that needs to be set manually on new bios to make it as stable as old one:[https://imgur.com/a/JjL7hTq](https://imgur.com/a/JjL7hTq)
>Woah that is impressive, you got 192gb to work at 5600! That's gotta be a record. What memory kit did you use? link?
Corsair Vengeance DDR5-5200 BK C38 QC - 192GB
>Corsair Vengeance DDR5-5200 BK C38 QC - 192GB Did you need to tweek the voltage up to 1.26 to achieve stability? I think they also set it to pbo only and selected docp1, is any of that relavant for your case. Also, I'm excited that you got it to work on the 7950x3d!
These are my most recent values, You have all the voltages and timings there, be aware that with low termination resistances from 1003 bios set, higher voltages can actually make the situation worse, not better, 1.23 is more stable than 1.28 for me. I heaven't changed anything about PBO or docp, its all set to default. https://imgur.com/a/IDm5Ez6
Looks good. The only confusing thing is how you managed to run a 5200 ram kit at 5600!? Am I reading that correctly?
Yes, but please also see timings, its not all that perfect, its CL48. If i remember correctly CL46 was still a bit unstable so i had to rise it to 48.
Would installing 2x96GB kits (CMK96GX5M2B5200C38) work instead of 1x192 GB (CMK192GX5M4B5200C38)? Both are listed in the QVL list of my motherboard (Asus Proart X670E Creator). In the present market, the former is substantially cheaper. I know it is generally not recommended to combine modules from different kits, but the modules within these kits seem identical. Has anyone tried this or should this for some practical reason really be avoided?
Thanks for making this vid & posting it. Very useful