Planning on using same 3-y/o PSU in new build, stupid or fine?

Hello!

I am upgrading my current build; (3070 & Ryzen 9 5900x) to a 5070ti & Ryzen 7 9800X3D. Previously, I used the EVGA Supernova GT 850w Gold fully modular PSU and never noticed any issues. I am aware that my new GPU uses a different 12VHPWR connector, but from what I have seen, it comes with adapters for the cables that came with my PSU. From what I have seen, this PSU is only a "B tier" PSU, but I also haven't really seen many complaints from other users.

The last of my new parts are coming tomorrow (Mobo + CPU bundle). Just looking for thoughts from those with more experience and knowledge than myself, thanks!

PC Part Picker List: https://pcpartpicker.com/list/wJr4Kq