Not a direct answer to your question, but it looks like Samsung's DC Toolkit 
may allow for user adjusted over-provisioning.
https://www.samsung.com/semiconductor/global.semi.static/S190311-SAMSUNG-Memory-Over-Provisioning-White-paper.pdf
 
<https://www.samsung.com/semiconductor/global.semi.static/S190311-SAMSUNG-Memory-Over-Provisioning-White-paper.pdf>

Reed

> On Mar 11, 2021, at 7:25 AM, Christoph Adomeit 
> <christoph.adom...@gatworks.de> wrote:
> 
> Hi,
> 
> I hope someone here can help me out with some contact data, email-adress or 
> phone Number for Samsung Datacenter SSD Support ? If I contact Standard 
> Samsung Datacenter Support they tell me they are not there to support PM1735 
> Drives.
> 
> We are planning a new Ceph-Cluster and we are thinking of Samsung PM1735 NVME 
> u.2 ssds
> 
> Unfortunately the PM1735 is not available with u2 interface but the PM1733 is.
> 
> Some manager from Samsung once told me that PM1733 and PM1735 is exactly the 
> same Hardware, it is only provisioned differently.
> 
> But he did not know whom to ask. Any idea of whom I could contact at Samsung 
> or of how to provision the PM1733 (7.6TB) to a PM1735 (6.4TB) .
> 
> I want the provisioning for better DWPD (3DWPD instead of 1DWPD).
> 
> 
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