Will an M Key motherboard connector always support NVMe, or

2 SSD is a small form factor solid-state drive that internally mounted storage expansion cards use SSDs conform to a computer industry specification

Suits 1U form factor chassis at only 32mm total height; Support 1 x NVMe SSD utilizing PCIe x4 interface; Support 1 x SATA SSD

m2 pcie slot 2 keys in use B, M, and E They're not interchangeable M-key is used for NVMe SSDs, B-key for SATA SSDs and E

m2 expansion slot 2 Slot do I use Motherboard manual says following -For 3rd gen AMD Ryzen Processors, the _1 supports PCIe x4 and SATA modes M key design and type