Arbeitsspeicher für Ryzen 9700x - ASUS TUF Gaming B850M-Plus WIFI?

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Hi!
I hope it is OK to ask in English. Feel free to answer in German, I can usually read well enough

I have finally ordered a new motherboard (ASUS TUF Gaming B850M-Plus WIFI) for upgrading my ancient Intel X99 platform to AM5.
This obviously needs more components and I think I will go for a 9700X cpu, or possibly a 9600X.
Since I am new to the AM5 platform and haven't build an AMD setup since the days of Socket 939, I would like to ask for a bit of advice on selection of RAM. I will probably not do any significant overclocking, because the cooling in my mATX chassis has to work hard enough as it is, but I would still like the RAM to offer decent performance.

I would like to get a kit with two modules and probably 48 or 64 GB in total, to have enough now but still have space for more RAM in a few years if necessary.
The hard part is then to choose speed and latency, how much does it really matter on this platform?
And then, how important is it to pick a kit from the Qualified Vendors List?

I have looked a bit at pangoly.com, but it is still very hard to know which parameters actually matter for real-world performance.

The sweet spot for AMD is DDR5-6000. As long as you go with well-known brands, you don’t need really to stick with checking the ASUS compatibility list.

These should be a good option for your setup:
https://geizhals.at/kingston-fury-b...13.html?hloc=at

What will you be using this PC for? Maybe 64 are nor really necessary. If you plan just to game, discord, music stream, the 64 would not really be needed.

Well, I have been in the habit of occasionally running a VM for testing purposes, and sometimes more RAM heavy games (i.e. three clients of EVE online + excel, web browser, etc.).
My current setup is running 40 GB (2x16 + 2x4), and it feels wrong to go for less on a new platform, so 2x24 feels like minimum for me.

The Kingston ones look nice, but there are still considerably cheaper ones at DDR5-6000, although with worse timings. Does CL30 make that much of a difference, compared to say CL36 ones like these?
https://geizhals.at/g-skill-ripjaws...58.html?hloc=at

I can definitely afford the extra €30, but is it really well spent money?

cl36 is completely fine. the real world performance difference when going for lower timings is very small in most use cases if measurable at all.
and when your current setup is already running 40gb of ram going for 64 when upgrading feels like a logical step.

I would go for RAM that says 'AMD EXPO' though, just to be sure, for example:
https://geizhals.at/g-skill-flare-x...5-a3361462.html

don't forget to activate the memory overclocking profile in BIOS after you booted your new system for the first time, otherwise the RAM will only run with 4800MT/s.

Your linked don’t have EXPO, they can/could run with AMD, but it is easier to take them (as blood posted) with EXPO

I can not prove it but the difference would be 1-2-3% in gaming and maybe 3-4-5% for rendering or editing video… but this is just what I guess, so it must be not true

Here are some benchmarks/tests:

DDR5 Memory Performance Scaling with AMD Zen 5

Our AMD Zen 5 Memory Scaling Review examines six different DDR5 memory speeds, including DDR5-8000, DDR5-6400 1:1, DDR5-6400 CL28 and others. We looked into how these speeds impact performance in gaming at four resolutions and a wide range of application workloads.

Link: www.techpowerup.com

Great, just the kind of details I was hoping for! I only wish TechPowerUp had done some benchmarks with same speed, different timings. The videos clarified some of that though

Going for DDR5-6000 AMD EXPO seems like a no-brainer, and also timings on the lower side.
I'll probably keep an eye out to see if I can catch a good kit with CL30, otherwise get some CL36.

Thanks again, I'll keep you all updated with the outcome!

Is Patriot considered a well-known brand or are there some issues to be expected with Patriot+ASUS B850 for some reason?

This looks like quite a good deal to me, otherwise:
https://geizhals.at/patriot-viper-v...27.html?hloc=at

Patriot Memory is a well known American manufacturer for DRAM.

I wouldn't expect any troubles

For the CPU, I wouldn'T buy anything with lass than 8 cores new. If your budget is thight than the AMD Ryzen 7 7700 would be also a reasonable option.

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