Searches for a SATA cable, cries in multiple m.2

I was concerned about win 10 killing my linux boot loader on my old system, so I installed linux on another drive and would pick from boot menu which drive to load (for some reason my efi wouldn’t let me boot from the sata ssd automatically but windows had a drive in both m.2 slots, I have a new system and don’t worry bout windows messing me up as there is no windows on this machine