m.2 slots on motherboard
Amazon.com: MACHINIST LGA 2011-V3 ATX Motherboard, X99 Gaming ...
You can have 1 – 6 M.2 slots on a modern motherboard.
Mainboard MSI B450M PRO-M2
Best AMD AM4 B450 Micro ATX motherboard, Turbo M.2, USB 3.2 Gen 2, MSI PRO ... DIMM Slots. ... M.2 Slot.
Gigabyte X670E Aorus Pro X Motherboard Review
CrystalDiskInfo shows NVMe version but it's for the SSD not motherboard. ... Your HM770 is compatible with PCI Express Gen4 in general, although whether it is available for the M.2 slots will depend on the specific motherboard.