Normal
your riser was never gen2, it is at least gen3 according to 3m website:[URL unfurl="true"]https://www.3mdeutschland.de/3M/de_DE/unternehmen-de/produkte/~/3M-8KC3-0726-0300-PCIe-Twin-Axial-Kabelgarnitur-300-mm/?N=5002385+3290403627&rt=rud[/URL]But it looks the same as the new one which should be gen4, so it could be that also.
your riser was never gen2, it is at least gen3 according to 3m website:
[URL unfurl="true"]https://www.3mdeutschland.de/3M/de_DE/unternehmen-de/produkte/~/3M-8KC3-0726-0300-PCIe-Twin-Axial-Kabelgarnitur-300-mm/?N=5002385+3290403627&rt=rud[/URL]
But it looks the same as the new one which should be gen4, so it could be that also.