He meant 700Sol/s I use same cards (MSI GTX 1080ti Gaming X) on my rig and they give 740Sol/s each settings are (-20%Power limit +230core +300mem 50%vents with these settings core temp never exceeds 60C) (cold room -around 10C)
Are those your settings maybe for simplemining os?
I get 710sol/s with the same graphic cards
Yes these are mine settings and No I use Win 10 pro with latest updates and NVIDIA latest graphic driver ver.388.43.
What is your MB and CPU also RAM?