PCI-SIG has issued a warning because Samsung NGSFF/NF1 SSD form factor is incompatibility with the M.2 standard.
There are many conflicts between these two standards in theory.
Now, you’ve got the option to read this post to see what happened between them.
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Indeed, this warning did not directly indicate that it is Samsung by name.
About Samsung NGSFF/NF1
Samsungs NGSFF was firstly introduced in 2017.
It was treated as a proposed replacement for M.2 and U.2 SSDs in the datacenter applications.
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However, Samsung doesnt give up.
PCI-SIGs Complaints
The complaints about NGSFF are about the conflict pin assignments for the M.2 M-keyed connector.
Here, some of the conflicts have a risk even with currently existing products.
It is obviously, more conflicts will appear in the future.
The Current Situation
The conflicts are existed.
More importantly, the analysis about these conflicts is more theoretical.