B550-A Pro M2_1 Slot not working?

They are both long and thin and look a bit like a stick of chewing What is the difference? 2

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

what is the common interface slot for on my tv I Guess what I am after is to know if an SSD can go in this slot Well since the does have 2 PCIe lanes it is possible to put there a

what is a m2 slot is a slot that can interface with SATA , PCI Express