MB Strix X99 dont see M2 SSD Crucial

[Catek]

ASUS STRIX X99 GAMING ROG (X99 4xPCI-E DDR4)
Crucial 275GB SATA SSD MX300 M.2 2280

yeaa BIOS was update to 1401 - not help
Ther is no other SSD/HDD only M2 Crucial and pendrive with windows 10 isnstal,
BIOS and Windows instaler dont see any drive

[Praz]

Hello

You need the correct M.2 drive for the system. The motherboard supports PCIe M.2 drives only. The MX300 is a SATA interface M.2 drive.