I recommend ASUS PCE-AC56 WiFi PCI-Express Adapter. The extensible design of the WiFi card makes it able to prioritize the data transfer services. You will not need any messy Ethernet cable as this adapter will instantly upgrade your network to the l...
You can use the SATA. Because your M.2 drive is a SATA protocol drive rather than NVMe. Using it disables two of your SATA ports and you happen to have found one of the two that it disabled. Moving your SATA SSD over one column should fix it.