View attachment 249826 Board: Z170X-UD3
CPU: 7700K
Graphic Intel HD 630
SSD: M2 Samsung 960 Pro 512GB
RAM: Corsair Vengeance LPX DDR4 32GB 3333Mhz
@osaj!
I have same system, but sometimes I can't get good speed on M.2 Samsung
Could you please upload your EFI-folder and the Bios settings?
thx