No the official stance is "it is not full PCIE4.0, however if you leave everything as normal, at least your machine will POST normal" because if you had the original PCIE3.0 cable from the KS days + Batch 1/2, you wouldn't have been to past boot. the solution was to switch down your PCIE (take all RTX30xx series). which was confirmed.
If you get a performance boost out of it, then good for ya. but not these PCIE are not the full version of what It can be and the current stance was during that time when it was chosen, this was it.
you can check
Actually this is not true. I have a RTX 3060 with the first batch Mjolnir and the computer won't POST unless I downgrade the riser and force. So the whole point of the riser extra cost is to avoid this. We (the community that believe in this product) have bought new parts from 2020-2022, so this...
and there are more from @riba2233
that explained what is a true riser 4.0 was as here:
I still dont understand whats tricky here. Someone gets a sheet with the needed parts and he puts them in a box, another person doublechecks and closes the box. If you send a mjolnir with addons and borg its the same procedure. Anyways: What is going to happen with the wrong fan connectors? Do...