is there a difference in m2 slots?

is there a difference in m2 slots? which m 2 slot to use Some motherboards will only have one slot that can run at NVMe PCIe bandwidth, whereas others may be restricted to using SATA bandwidth which m2 slot to use I've had an ASUS Motherboard with 2 slots They label them -1 and

which m2 slot to use Two types of SSD Note: SSDs using the PCIe x4 bus use M-keys since it is the only one that supports PCIe x4 lanes

which interview slot is best 1 x connector , integrated in the Chipset, supporting Socket 3, M key, type 22422260228022110 SSDs: Supporting PCIe  1 Answer 1 · 1 · Yeah, they're not particularly expensive and as long as you have a spare PCIe slot then they are almost guaranteed to work · @