Possible ways to connect two SSD at a time?

Possible ways to connect two SSD at a time? m 2 ssd motherboard slot Never used an nvme before So this is new to me If you look at below image, you see the motherboard got two m2 slots One with a heatsink m2 expansion slot motherboard -please confirm A Baker motherboard is only equipped with one NVMe SSD slot, and one WLAN module slot:

m2 expansion slot SSD is 22mm x 42mm in dimensions slots on motherboards and other devices do not support all SSD sizes The standard is based on the

m2 nvme slot Two types of PCIe slot on an Asus H81M-K motherboard On the contrary, the L-series among others can only support cards using the PCIe standard in the WWAN I'm upgrading one of the 1TB drives to a 2TB I will use the MSI Expander on my Creator X299 motherboard to install the new drive so I can