Any update on this. I just cleaned out my pc, dust and all, new thermal paste, completed wiped and reinstalled windows, verified latest updates on everything was installed and then installed ffxiv and am still having issues with both dx11 and dx9.
amd 8350 watercooled
msi 390x factory overclocked 8 gig graphics
32gigs ddr3 memory
m.2 Samsung evo 256gig hdd

I should mention that this started happening after 4.01 update.