Is your SSD an M.2? It took me ages to find the actual specs of these. But I “think” the higher end ROG’s like yours and mine have M.2’s in them so quite a hefty disk speed as well.
I don’t blame you, if it wasn’t on offer or whatever it was. I wouldn’t of paid that amount for it :)…
On a small lightmapped scene in UE4 I’m getting 120FPS. Couldn’t be happier with it…