Mainboard Asus TUF Gaming X670E Plus WIFI DDR5 - MYGEAR
M.2_1 slot (Key M), type 2242/2260/2280/22110 (support PCIe 4.0 x4 mode).
What is going on with the sata m.2 slot?? - amazon.com
Why this should be no surprise to anyone who knows about the M.2 interface is because each ‘key’ type specifies one or more electrical interfaces that are available on that particular M.2 slot.
Mainboard ASUS TUF GAMING B760M-E D4 | Intel B760, Socket 1700 ...
4 x DIMM slots, Max. ... 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports.