Gigabyte TRX50 AI TOP

I compared the manual that is now at the link to the one I had downloaded before, they are definitely indicating now M.2 at PCI-E 4.0 whereas before it indicated PCI-E 5.0 even with regular Threadripper. This seems… pointless as I can easily populate a PCI-E 5.0 slot with an Asus 5.0 X4 bifrucated card which is what I’m almost guaranteed to do…