Ryzen 9 9950X with 4×32GB RAM

[Arco]

I'm going to have so much fun making 192gb work when I need it. Probably going to be a couple days of tuning and testing to 5200-5600. I've seen one guy make it to 6000 for 4x48gb but I do not have the patience or skill to do that.

 

[lexluthermiester]

I'm going to have so much fun making 192gb work when I need it.

Threadripper. If you're going to go above 128GB, Threadripper is the platform you need to choose, if you stick with AMD.

 

[igormp]

Threadripper. If you're going to go above 128GB, Threadripper is the platform you need to choose, if you stick with AMD.

The CPU alone is almost as expensive as an entire high-end AM5 build lol
(you can get a 9950x with 192GB on a x670e for ~$1700, the 7960x is like $1500).
Mobos and RDIMMs are also quite expensive, so the jump from a fully decked out AM5 build to a really entry-level TR setup is way too expensive.

I'm currently on a 5950x with 128gb, and I'm planning to upgrade to a 9950x with 256GB as soon as 64GB udimms become available. I don't really need the extra IO TR brings, and 256gb will be perfect for me when doing stuff locally.

 

[A Computer Guy]

The CPU alone is almost as expensive as an entire high-end AM5 build lol
(you can get a 9950x with 192GB on a x670e for ~$1700, the 7960x is like $1500).
Mobos and RDIMMs are also quite expensive, so the jump from a fully decked out AM5 build to a really entry-level TR setup is way too expensive.

I'm currently on a 5950x with 128gb, and I'm planning to upgrade to a 9950x with 256GB as soon as 64GB udimms become available. I don't really need the extra IO TR brings, and 256gb will be perfect for me when doing stuff locally.

Lets hope 256GB doesn't mean DDR4-1800 ram speeds. I wonder how much performance is lost going from DDR5-6000 to DDR5-3600? I'm considering 9950x as well but now mobo selection is a PITA because I want to keep my x8 dual optane for speed and capacity. x16+x4 across all the major brands put's a dent in my selection process if I want the GPU to run full bandwidth and x8+x8 leaves no room from 10Gbps NIC when I'm ready in the future to build that network without paying up the wazoo for a MB that has that onboard.

 

[igormp]

Lets hope 256GB doesn't mean DDR4-1800 ram speeds. I wonder how much performance is lost going from DDR5-6000 to DDR5-3600? I'm considering 9950x as well but now mobo selection is a PITA because I want to keep my x8 dual optane for speed and capacity. x16+x4 across all the major brands put's a dent in my selection process if I want the GPU to run full bandwidth and x8+x8 leaves no room from 10Gbps NIC when I'm ready in the future to build that network without paying up the wazoo for a MB that has that onboard.

I'm hopeful that 256GB will be able to run at 5200MHz, like the current 192GB kits.

As for the mobos, I did give a look at the local selection, and sadly here in Brazil many models are out of stock, and in general, AM5 has fewer motherboard options that support x8/x8 PCIe compared to AM4.

I found a total of 6 motherboards that support this feature for sale here in Brazil (out of 11 options available worldwide), sorted by estimated prices (yeah, pricing here is awful):

B650 Asus ProArt for $400, the only AM5 B650 mobo that supports x8/x8
x670e Biostar Valkyrie for $540
x670e Asrock Taichi for $800
x670e Asus ProArt for $920
x670e Asrock Taichi Carrara for $940
x670e Asus ROG Crosshair Hero for $960
Among these, the Biostar is a bit questionable and also lacks video output through USB-C, so I’ll rule it out (I need video over USB-C to use with my KVM switch).

The B650 ProArt is a downgrade compared to the B550 version (which I currently have). While the B550 has Thunderbolt 4 (40Gbps), the B650 only has USB-C Gen2 (10Gbps). It would still work for my use case, but it’s a bit disappointing nonetheless.

Of all of them, only the ProArt models (both x670 and B650) support video passthrough from a dGPU to USB-C (with a DP input on the motherboard), while the others seem to only have video out from the iGPU.
Using video through the iGPU would likely still work fine for me, but I guess I’d need to mess with stuff like PRIME to be able to use my dGPU for rendering any games, for the rare cases where I actually do play games.

I’ll probably go with the ProArt B650 since it’s cheaper, and I don’t see any obvious advantages in the other x670e options that justify paying more than double the price. The only extra things the x670e offers are PCIe 5.0 (irrelevant for now) and an additional NVMe slot.

Maybe the B850 series will bring something more interesting, but I doubt the prices will be good.

 

[ir_cow]

Lets hope 256GB doesn't mean DDR4-1800 ram speeds. I wonder how much performance is lost going from DDR5-6000 to DDR5-3600?

3D rendering is like 20 seconds extra per frame. 13 minutes instead of 12:40, So not a big deal if it's going to take 30-40 hrs anyways.

Editing video, probably won't see any difference. Same goes for encoding too. It's going to be the applications that need high bandwidth and low latency will suffer the most. Aka gaming.

For work purposes, DDR5-3600 isn't so bad when considering you NEED 128/196GB for the project your working on.

 

[R-T-B]

Threadripper. If you're going to go above 128GB, Threadripper is the platform you need to choose, if you stick with AMD.

I have been curious how AM5 would do if you drop the clocks and actually sync FCLK but I imagine it's only going to be relevant for huge ram quantities.

 

[Arco]

Threadripper. If you're going to go above 128GB, Threadripper is the platform you need to choose, if you stick with AMD.

Probably going EYPC soon. I would rather just bite the bullet and go with 8-12 memory channels instead of 4. Sadly TR Pro costs like double EYPC.

 

[eidairaman1]

Man we are going in circles with people not knowing the difference between single ranks and dual rank memory.

4x Single-rank 6000 : 1 - Yes
4x dual-rank 6000 : 1 - probably not
4x dual-rank 6000 : 2 - yes, but perf is horrible

Officially AMD supports this at DDR5-3600. Anything else is a overclock and NOT guaranteed. May the IMC god be with you!

I own a set of single rank Samsung IC 32GB sticks that clock at 5600 MT/s. Bought them in 2022ish so they certainly exist.


jesus man I am running it now.

Just put the helpless 1 on ignore, that 1 has been that way since day 1 or just too lazy to research

Probably going EYPC soon. I would rather just bite the bullet and go with 8-12 memory channels instead of 4. Sadly TR Pro costs like double EYPC.

Like to see that myself. Do some runs with it and share your experiences.

 

[lexluthermiester]

Probably going EYPC soon. I would rather just bite the bullet and go with 8-12 memory channels instead of 4. Sadly TR Pro costs like double EYPC.

EPYC is even more pricey than Threadripper. I would personal point you that direction with the idea that you can take the money saved and drop it on the memory.

 

[Arco]

EPYC is even more pricey than Threadripper. I would personal point you that direction with the idea that you can take the money saved and drop it on the memory.

Normal TR is slightly less costly than EYPC if both are RDIMM. If UDIMM is there for the TR then its much less than EYPC which needs RDIMM. TR Pro is vastly more expensive due to Pro CPU costs. I'm basing this off of new Ebay listings from inside of the US.

 

[Sarajiel]

If UDIMM is there for the TR then its much less than EYPC

All current Threadripper SKUs require RDIMMs. The old Zen2 Threadrippers that support UDIMMs aren't really available anymore, occasionally you might be able to find some old stock, but that's about it.

Threadripper 7000 uses 4 channels of registered ECC DIMMs, the 7000 Pro version supports 8 channels reg. ECC, and has additional PCIe lanes.

EPYC is even more pricey than Threadripper.

That probably depends on your location, I can actually buy certain 8c to 64c Epyc 9004 SKUs at a much lower price per core than even the entry-level Threadripper 7000s over here in Europe. Usually those are the low frequency or single socket ones, but if you need huge amounts of memory, they might be a good option for CPU-based rendering applications. Especially if you don't require a Windows license.

 

[Arco]

All current Threadripper SKUs require RDIMMs. The old Zen2 Threadrippers that support UDIMMs aren't really available anymore, occasionally you might be able to find some old stock, but that's about it.

I don't know how I went over that. Thanks.

 

[csendesmark]

Did anyone spot the ProArt X870E-CREATOR WIFI anywhere to order yet?

 

[GerKNG]

JayTwoCents couldn't get his ram to run at 6000

Jay is not even able to use bios flashback on an MSI board... he destroyed it with a hammer iirc.

 

[ir_cow]

Jay is not even able to use bios flashback on an MSI board... he destroyed it with a hammer iirc.

BIOS flashback seems to be a common problem people have not getting it to work. I really should make a video showing how to do it.

FAT32 - Root of drive (with correct naming) - put in USB port named BIOS - Press the flash button. Watch it blink for 5 minutes. It's only not worked because I didn't follow the instructions.

 

[Ruru]

When I was drunk last time I started to think that I'll get 128GB because why the hell not 3200MHz is fine for me so I don't care about memory OC or anything.

 

[Sarajiel]

When I was drunk last time I started to think that I'll get 128GB because why the hell not 3200MHz is fine for me so I don't care about memory OC or anything.

Too bad that your board has an older memory topology, otherwise I'd suggest getting 128GB Micron E-die DDR4-3600 CL18-22-22. Those typically work out of the box on most newer AM4 boards. I really loved having 128GB on my 5950X and still booting W10 Pro in about 10 sec.

As mentioned before, 2800; 2100; 2800 should work as well on 8-layer PCBs, and would be much faster than a 4400MT/s setup.

Right now, I'm on the road, but once I'm back next week, I'll try to test 128GB with a fresh 7950X3D and a new B650E Aorus Master board.

Quick update on my adventures with my early '24 7950X3D: The new CPU seems to be a silicon lottery winner. It boots DDR5-6400 (1DPC) on auto settings with three different memory kits (Kingston 16GB & 64 GB Hynix A-die; G.Skill 96GB Hynix M-die) completely stable at 1.235V VSOC on various AGESAs (1.1.* release & 1.2.* beta). It even boots 6600MT/s into Windows 11 Pro on auto, but isn't stable despite using 1.285V VSOC. All kits had XMP/EXPO enabled and only the speed multiplier overridden to 64x and 66x.
For comparison, my old R7950X3D can't finish memory training at 6400MT/s with manually tuned voltages. Even on compute, the newer CPU seems to be about ~2% faster than the old one on some synthetics, e.g. CB R23 is over 36k at default settings, the old one does less than 35.5k at defaults.

The interesting part is that 128GB (2x Kingston 64GB kits of the same batch) still maxes out at 5600MT/s, although it easily does 2800; 2100; 2800. However, there seems to be hope that it could be tuned to 6000MT/s manually, at least if one is patient enough. While experimenting with various BIOS versions (F30 to F32b) it seemed that either Gigabyte or AMD changed the voltage behavior for higher speeds compared to older BIOS versions (anything below F30), and preload more specifically tuned voltages now when running 1DPC on auto. With two DIMMs per channel, this automatic voltage tuning seems to be missing, though.

Sadly, I found a defect of the board while testing and have to wait for a replacement that hopefully arrives next week. I'll probably skip testing the 4x 48GB setup, but I might grab a cheap 8-layer board from ASRock to see if getting to 128GB at 6000MTs is easier with one of those. I'm also tempted to get a non-X3D Ryzen 9000 now to check how hard it will be to achieve 6400MT/s, but at current AMD pricing in Europe, I'll probably wait till Arrow Lake is out.

 

[A Computer Guy]

Quick update on my adventures with my early '24 7950X3D: The new CPU seems to be a silicon lottery winner. It boots DDR5-6400 (1DPC) on auto settings with three different memory kits (Kingston 16GB & 64 GB Hynix A-die; G.Skill 96GB Hynix M-die) completely stable at 1.235V VSOC on various AGESAs (1.1.* release & 1.2.* beta). It even boots 6600MT/s into Windows 11 Pro on auto, but isn't stable despite using 1.285V VSOC. All kits had XMP/EXPO enabled and only the speed multiplier overridden to 64x and 66x.
For comparison, my old R7950X3D can't finish memory training at 6400MT/s with manually tuned voltages. Even on compute, the newer CPU seems to be about ~2% faster than the old one on some synthetics, e.g. CB R23 is over 36k at default settings, the old one does less than 35.5k at defaults.

The interesting part is that 128GB (2x Kingston 64GB kits of the same batch) still maxes out at 5600MT/s, although it easily does 2800; 2100; 2800. However, there seems to be hope that it could be tuned to 6000MT/s manually, at least if one is patient enough. While experimenting with various BIOS versions (F30 to F32b) it seemed that either Gigabyte or AMD changed the voltage behavior for higher speeds compared to older BIOS versions (anything below F30), and preload more specifically tuned voltages now when running 1DPC on auto. With two DIMMs per channel, this automatic voltage tuning seems to be missing, though.

Sadly, I found a defect of the board while testing and have to wait for a replacement that hopefully arrives next week. I'll probably skip testing the 4x 48GB setup, but I might grab a cheap 8-layer board from ASRock to see if getting to 128GB at 6000MTs is easier with one of those. I'm also tempted to get a non-X3D Ryzen 9000 now to check how hard it will be to achieve 6400MT/s, but at current AMD pricing in Europe, I'll probably wait till Arrow Lake is out.

Are those ECC kits? I got my ASRock LiveMixer w/ 7950x 64GB Micron ECC to do 6000MT/s at the default DIMM voltages and timings. Nothing fancy just a frequency bump. I'm not ready yet to pull the trigger on 2 more DIMMS as they are still pretty expensive.

 

[Sarajiel]

Are those ECC kits?

Nope, just unbuffered Kingston Fury Beast kits and G.Skill Ripjaws S5, basically the only manufacturers I still somewhat trust with "overclocker" memory.

Since I can't utilize a completely ECC-protected workflow anyway, it wouldn't make much financial sense to buy Kingston Server Premier kits for those systems instead. Especially, since I'd also have to replace all my MSI boards, which don't do ECC to begin with. The curse of scaling up a freelance business too quickly.

I'm not ready yet to pull the trigger on 2 more DIMMS as they are still pretty expensive.

Not sure what to do with Micron ICs, since I've avoided them so far, but I'd assume that those might not run 5600MT/s in a quad-rank scenario. You probably end up with 4800MT/s at best. That’s judging from some early QVLs from ASRock when they included a lot of JEDEC sticks.

 

[Ruru]

Too bad that your board has an older memory topology, otherwise I'd suggest getting 128GB Micron E-die DDR4-3600 CL18-22-22. Those typically work out of the box on most newer AM4 boards. I really loved having 128GB on my 5950X and still booting W10 Pro in about 10 sec.

Is that so? Damn. I was just thinking about these, sorry that's it's an Finnish link...

271,90 € | Kingston Technology FURY Beast muistimoduuli 128 GB 4 x ...

Muistit / Kingston Technology FURY Beast, 128 GB, 4 x 32 GB, DDR4, 3200 MHz, 288-pin DIMM

datatronic.fi

 

[A Computer Guy]

Nope, just unbuffered Kingston Fury Beast kits and G.Skill Ripjaws S5, basically the only manufacturers I still somewhat trust with "overclocker" memory.

Since I can't utilize a completely ECC-protected workflow anyway, it wouldn't make much financial sense to buy Kingston Server Premier kits for those systems instead. Especially, since I'd also have to replace all my MSI boards, which don't do ECC to begin with. The curse of scaling up a freelance business too quickly.


Not sure what to do with Micron ICs, since I've avoided them so far, but I'd assume that those might not run 5600MT/s in a quad-rank scenario. You probably end up with 4800MT/s at best. That’s judging from some early QVLs from ASRock when they included a lot of JEDEC sticks.

Yea probably not with quad rank. I think I'm going to settle for a thin fast machine (7950x+64GB@6000MT/s) and a not-so-fast-not-so-thin machine (5950x+128GB+3200MT/s).

 

[Sarajiel]

Is that so? Damn. I was just thinking about these, sorry that's it's an Finnish link...

Not sure what Kingston uses at the moment, but I got both Micron E-die and Hynix CJR variants in their 64GB kits for both my 5950X's back in the day. Luckily, I can buy these via store pickup, and I'm familiar with Kingston batch numbers, so it's relatively easy to check if kits match or not.

As long as you don't mix them, both run 128GB, but CJR sticks can't really be tightened except for basic DDR4 sub-timings, while Micron E-die actually has a bit of headroom and usually just works without fiddling with anything in the BIOS except for enabling XMP. However, if you buy them as a 128GB kit, you at least don't risk mismatched kits. You might want to check for your board on Kingston's QVL, which is probably a bit more accurate than the one from Asus. Keep in mind that "HyperX" was the old Kingston overclocker memory brand when checking on Asus's QVL.

 

[AndreX86]

You should have read the thread first
Here is the recap:
View attachment 361819
source: AMD

https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9950x.html

That is the offiacially supported max speed. I have 4x2R 128

I asked and not possible

If can run 4x32 at 5600, like so many others, I would imagine 4x16 is more than doable at 6000.

 

[glnn_23]

Haven't tested with Ryzen 9000 but here's couple of 4 dimms tests using a 7800x3d.

4 x16Gb 6000c30

http://imgur.com/ONhkshB

2x16Gb + 2x24Gb 6200c36

http://imgur.com/lzN8ztM