Motherboard: Gigabyte Z370XP SLI
BIOS: F11/F12
Primary M.2 (M2P_32G): Samsung 970 PRO 512
Secondary M.2 (M2Q_32G): ADATA SX8000NP
OS: Windows 10 1809
OS is installed on Samsung 970 PRO.
As stated in the title, when secondary M.2 is removed the system gets into an infinite loop, after booting...