According to the tech specs for your board:
*If M2_1 is occupied by a SATA-type M.2 device, SATA3_0 and SATA3_1 will be disabled.
Support to be announced
**Supports ASRock U.2 Kit
Supports NVMe SSD as boot disks
The different M.2 numbers you see refer to length of the M.2 card. Most are interchangeable.