For years I have been in SL with:
Intel i7 3770 + Mother Gigabyte H67 + 16 Gb RAM 1333 mhz + GTX 650
I recently bought a new pc:
Ryzen 2700x + B450 Tomahawk + 32 GB RAM 3200 mhz + RTX 2060 S ROG Strix
Honestly, if you're not going to use graphics in Ultra, the difference won't be much.