Newegg has the
G.Skill TridentZ RGB 32GB (2x16) B DIE memory kit [newegg.com] for
$234.99 + Free Shipping.
Alternately, Amazon also has this [amazon.com] for $234.99 + Free Prime Shipping (and free returns - important for 3rd party) when selecting an appropriate 3rd party: > 1000 ratings and at least 97% positive over 12 months. There are 2 options available at time of this posting.
This is Samsung B-Die which can be pushed to DDR4-3800 CL16 with very tight timings. This is for enthusiasts. Please don't counter with incomparable kits.
A similar kit went front page recently.
Research:

Two google doc's show overclocking success on Zen 2 platform with examples of "F4-3200C14" kits in the list.
Google Sheet 1 [google.com] , and Google Sheet 2 [google.com]
You can confirm this is a B-Die here [github.io]. Model # F4-3200C14D-32GTZR
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Here's an article discussing memory timings and single versus dual rank.
https://www.tomshardwar
Yes, it's not a price value and it's diminishing returns. But, it's fun, and you can squeeze 15-30% additional performance (ymmv depending on game or productivity task). It's really just about trying to push it as hard as you can.
B-die overclocks extremely well, and scales with voltage up to 1.5V dram voltage. Anyone who has tried OC'ing cheaper RAM realizes how little they can squeeze out of those. It's like banging your head against the wall. B die is a fun pain, like a puzzle to solve.
If you really want a very high freq RAM, crucial/micron e die or some hynix cjr will be a more cost effective solution.
It's your build, hotrod it where you'd like.
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https://www.amazon.com/gp/product...=UTF8
https://www.amazon.com/gp/product...=UTF8
I'm looking at this complete b-die list here:
https://www.hardwarelux
That item doesn't appear to be B-Die. There are limited B-die Corsair Dominator 32GB kits, and more in 16GB kits. For 32GB, this is what is listed:
I see two instances of Dominators used in one Google sheet, but in the Zen+ tab, and these were CMD32GX4M2C3200C14T and CMD32GX4M2B3466C16
Otherwise I found multiple non-Dominator kits in the google docs, mostly non B-die and not in the tops of the lists except for a few that were B-die. If it's B-Die, you should be good. It depends on patience and proper validation of results (no shortcuts, and use the proper stress test tools, not memtest86).
https://www.newegg.com/g-skill-32...6820232860
https://www.newegg.com/g-skill-32...6820232860 [newegg.com]
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It's your build, hotrod it where you'd like.
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