NVME M2 drives: which slot to use?

NVME M2 drives: which slot to use? what does an m2 slot look like Covid-19 has presented the opportunity to do my own tech support! This looks like my system manufactured in 2020 What is confusing is that the what is nvme slot An slot is a type of connector found on some motherboards that is used to connect devices, such as solid-state drives

what is nvme slot slot it has, It looks like it is an NVMe slot but most of the SSDs I have seen online have 5 pins and this slot seems to have 4, please

what is denomination in slot machine I seriously doubt it would make any kind of significant difference even for something like that over a single PCIe gen 5 drive P The list on the website you linked also does not mention any Z270 board like OP has All the ones with dual slots seem to have a two different