Answer

Yes, you can still boot to Windows OS after moving your M.2 PCIe SSD device from onboard M.2 slot to M.2 PCIe adapter card.

Models

B250M PRO OPT BOOST, B350M BAZOOKA, H110M PRO-VD, X470 GAMING PLUS, Z270 CAMO SQUAD, Z270 GAMING M6 AC, Z270 TOMAHAWK ARCTIC, Z270-S02, B250 PC MATE, B350 TOMAHAWK ARCTIC, B350M PRO-VH PLUS, Z270 GAMING PRO CARBON, A320M BAZOOKA, B450M BAZOOKA, B450M PRO-VDH V2, H110M PRO-D, H270 GAMING M3, H110M ECO, X370 KRAIT GAMING, B150M BAZOOKA PLUS, B350M GAMING PRO, B450M PRO-VDH, X370 XPOWER GAMING TITANIUM, Z270 SLI, A320M GAMING PRO, A320M GRENADE, B350 TOMAHAWK PLUS, B350M MORTAR ARCTIC, B150 PC MATE, H110I PRO, X470 GAMING M7 AC, B250M MORTAR ARCTIC, B250M PRO-VDH, B250M PRO-VH, B450 GAMING PRO CARBON AC, H110 PC MATE, Z270 GAMING M5, Z170A PC MATE, Z170A-S02, B250 KRAIT GAMING, X370 GAMING PLUS, B250M MORTAR, H110M PRO-VD D3, B250I PRO, H110M GRENADE, H110M PRO-VH PLUS, B250M BAZOOKA OPT BOOST, H270 TOMAHAWK ARCTIC, X470 GAMING PRO, Z170A GAMING M5, B150A GAMING PRO, B350 GAMING PLUS, H170A PC MATE, Z270 XPOWER GAMING TITANIUM, B150M MORTAR, B350M PRO-VDH, H110M PRO-VDL D3, Z170A XPOWER GAMING TITANIUM EDITION, Z270 GAMING M3, Z270 SLI PLUS, B350 GAMING PRO CARBON, B450 TOMAHAWK, H110M PRO-VHL, H270 GAMING PRO CARBON, X470 GAMING PRO CARBON, Z170A GAMING M3, B450I GAMING PLUS AC, B450M PRO-M2, X370 GAMING PRO CARBON, Z170A SLI PLUS, Z270-A PRO, B350 TOMAHAWK, H170A GAMING PRO, Z270 TOMAHAWK, B250M BAZOOKA PLUS, B450M BAZOOKA PLUS, B450M GAMING PLUS, H110M PRO-VD PLUS , Z170M MORTAR, B250 GAMING PRO CARBON, X370 GAMING M7 ACK, Z270 GAMING M7, Z270M MORTAR, B450M MORTAR, H270-A PRO, X370 SLI PLUS, Z170A KRAIT GAMING, Z270I GAMING PRO CARBON AC, B250M BAZOOKA, B350M MORTAR, H170 GAMING M3, H270I GAMING PRO AC, X370 GAMING PRO, Z170A GAMING M7, Z170A-G45 GAMING, B350 PC MATE, H110M GAMING, H110M PRO-VH, H110M-A PRO M2, B350 KRAIT GAMING, B450 GAMING PLUS, H110I PRO AC, Z170 KRAIT GAMING, Z170A GAMING PRO, Z170-A PRO, B350I PRO AC, H270M BAZOOKA, B450M BAZOOKA V2, H270 PC MATE, H270M MORTAR ARCTIC, B150 GAMING M3, B250M GAMING PRO, H110M PRO-VDP, X370 GAMING PRO CARBON AC, Z170I GAMING PRO AC, Z270 GAMING PLUS, Z270 GAMING PRO, Z270 MPOWER GAMING TITANIUM, Z270 PC MATE, A320M PRO-M2, B250 GAMING M3, B250I GAMING PRO AC, B250M PRO-VD, B450-A PRO, Z170A GAMING M9 ACK, Z270 TOMAHAWK OPT BOOST, B350M PRO-VD PLUS, B450M MORTAR TITANIUM, H110M PRO-VDL, X470 GAMING PRO CARBON AC, Z170A GAMING PRO CARBON, Z170A SLI, Z270 KRAIT GAMING