What Is the M.2 Expansion Slot, and How Can I Use It?
In order to connect to your PC, a conventional SSD often needs an M.2 slot. M.2 slots are more uncommon than SATA slots, the conventional hard drive slots, raising the question of how many M.2 slots are actually present on motherboards.
ASUS PRIME B760M-A WIFI D4-CSM - Socket 1700
Storage Total supports 2 x M.2 slots and 4x SATA 6Gb/s ports* Intel ® Core TM Processors (14 th & 13 th & 12 th Gen) M.2_1 slot (Key M), type 2242/2260/2280 ...
ASRock Z790 Nova WiFi Has Six M.2 NVMe Slots, Reinforced GPU Support ...
So, we can say that I can install two M.2 SATA SSDs on my M.2 NVMe SSD slots. However, two M.2 NVMe slots controlled that are directly connected to the CPU only support the M.2 NVMe drives.
Dell Vostro 3471 Service Manual | Dell Australia
NVMe PCIe Adapter, M Key M.2 NVME SSD to PCI-e 3.0 x4 Host Controller Expansion Card with Low Profile Bracket, PCIe NVME Adapter for PC Desktop Support 2230 2242 2260 2280.