Yeah that is quite a few drives! But then you are reaching datahoarder levels.
I have been selfhosting for 3 years now and I am still on my first mirrored 4TB drive set 😅 I will get an 8 or 10 next and probably be set for like 10 years with 4 drives. If I pass that, I will need to saxrifice my M.2 boot drive for an M.2 sata controller. iTX problems.
Node 804 has something cool, 10 drives in a complete seperate chamber with separate cooling than the “normal” parts, plus micro ATX for a PCIe SATA controller.